Synology DSM 6.X 正式版 Release Notes 發佈通知

Version: 6.2.4-25556
(2021-03-22)

Important Note
Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it. Only Synology NAS with DSM 6.2.3 installed can be updated to this version.
The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
This update includes fixes to the below issues mentioned in 6.2.4-25554.
Fixed an issue where external hard drives couldn't wake from hibernation on certain platforms (Grantley, Broadwell, Broadwellnk, Purley).
Fixed an issue where users could not sign in to Synology mobile apps after they had cleared the remembered device list in DSM 6.2.4.
This update will restart your Synology NAS.
Integrates the beep control options for degraded/crashed volumes and abnormal SSD caches.
The new LED indicator behavior makes the system status easier to distinguish on 15-series and newer models. (Learn more)
DNS Server must be updated to version 2.2.3-5028 or above to be compatible with this update.
LDAP Server must be updated to version 2.4.49-2515 or above to be compatible with this update.
Compatibility & Installation

Enhanced the password policy. Passwords must exclude usernames and descriptions, include both upper-case and lower-case letters as well as numerical digits. The minimum password length is 8 characters.
Fixed a compatibility issue between the Geminilake platform and virtual machines running Windows 10.
On a newly installed version of DSM, file rename and deletion log events for SMB will be enabled by default.
What's New

Users can now set 10 email addresses to receive system notifications.
Enhanced domain database synchronization performance by syncing only altered data.
Supports bad block detection on Synology SSDs.
Supports the updating of Synology HDD and SSD firmware directly via DSM.
Improved fan speed control based on the Synology network interface card temperature for 19-series and newer models.
Fixed Issues

Fixed an issue where the "Enable Web Assistant" option didn't work on NVR216 and NVR1218.
Fixed an issue where the date and time formats for scheduled tasks were inconsistent in the widget and system settings.
Fixed an issue where scheduled tasks may fail to be executed or modified.
Fixed an issue where tasks scheduled at a high frequency generated a lot of logs and occupied system partitions.
Fixed an issue where the custom welcome text may differ on the preview and actual login page due to character limits.
Fixed an issue where data could still be written to LUNs after the volume runs out of space.
Fixed an issue where if Wi-Fi dongles are installed, some available network interfaces weren't listed when users edit iSCSI targets.
Fixed an issue where iSCSI services may be unstable when the host is too busy or when users disable iSCSI targets and ending sessions simultaneously.
Fixed an issue where initiators couldn't connect to the iSCSI target after ethernet interfaces reconnect in a high-availability cluster.
Fixed an issue where packages may not operate properly when drives migrated from another Synology NAS cause volume ID conflicts.
Fixed an issue where users may not be able to find their Synology NAS in My Network Places on Windows when WS-Discovery isn't operating properly.
Fixed an issue where Log Center didn't record recycle bin enabling/disabling events.
Fixed a security vulnerability regarding Sudo. (Synology-SA-21:02)
Fixed multiple security vulnerabilities. (Synology-SA-21:03)
Limitations

In response to the enhancement of domain database synchronization efficiency, the domain user/group list will be updated once an hour when it is created with Synology Directory Server.
Version: 6.2.4-25556
(2021-03-08)

上面這個被官網撤掉了,但是 NAS 已經裝上去了。

Version: 6.2.4-25556
(2021-03-22)

這個新的版號相同日期不同。NAS 因為 03-08 的已經裝了所以 03-22 的裝不上去。

那麼這代表什麼意思?
一忙就忘了來這裡回報一下相同版號的問題,詢問了群暉公司,
官方的回覆是說3/8的那版6.2.4-25556的SHA(Synology High Availability)有問題,
所以才在3/22以同版號再釋出一次,如果沒有用到這個套件的話,那就沒有影響。



ulimie wrote:
Version: 6.2.4-25556
(2021-03-08)

上面這個被官網撤掉了,但是 NAS 已經裝上去了。

Version: 6.2.4-25556
(2021-03-22)

這個新的版號相同日期不同。NAS 因為 03-08 的已經裝了所以 03-22 的裝不上去。

那麼這代表什麼意思?
≡≡ 覺人之詐,不憤于言;受人之侮,不動于色;察人之過,不揚于他;施人之惠,不記于心 ≡≡
HIMALAYAS wrote:
一忙就忘了來這裡回報(恕刪)

感謝您的熱心追查處理的熱忱~!
我有兩台 Synology NAS,幾年下來,跑的穩定,也就佛系管理。但是這次 6.2.4-25556 在 DS716 +II 上更新後,似乎防火牆的設定整個不見了。但是,我也只敢在這邊寫「似乎」,印象中是有設定的,更新到 25556 之後,防火牆竟然沒有「勾起來」,原本設定的 rule 也消失了,只好整個重新設定...

然後隨手問問谷歌,好像也沒有人回報這樣的問題,只好來這邊自言自語看看... (另外一台,我就暫時不更新了...)
Release Candidate
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Release Candidate

Version: 7.0-41882 (2021-06-01)

Important note

Before Update
Before updating, your Synology NAS should be running DSM 6.2 or above versions.
Reserve extra time to complete DSM 7.0 update. The DSM update takes 10 to 20 minutes, while package update may take more than an hour. The actual time depends on the computing power of your model, the number of media indexing files, and the number of packages installed.
If you're performing a clean installation, make sure to complete the installation with find.synology.com or Synology Assistant 7.0-50029 or above.
To avoid possible compatibility issues, users who installed Active Insight, Synology Photos, and Secure SignIn mobile applications during DSM 7.0 Preview/Beta programs should update the applications to the latest version after the DSM update.
DSM 7.0 consumes more system resources, including memory. If your model has less than 1 GB of memory, updating to DSM 7.0 may affect system performance.
For the models below, you can only download the upgrade patch from Synology Download Center because you won't receive notifications for this update on your DSM.
15-Series: RS815RP+, RS815+, RS815, DS2415+, DS1815+, DS1515+, DS1515, DS715, DS415+, DS415play, DS215+, DS215j, DS115, DS115j
14-Series: RS2414RP+, RS2414+, RS814RP+, RS814+, RS814, RS214, DS414, DS414slim, DS414j, DS214+, DS214, DS214play, DS214se, DS114
13-Series: DS2413+, DS1813+, DS1513+, DS713+, DS213
DSM 7.0 for FS, SA, XS/XS+, and DVA series models are currently under development and will be available in the next quarter.
DSM

USB devices (Wi-Fi dongle, Bluetooth dongle, 3G/4G dongle, USB DAC/speaker, and DTV dongle) are no longer supported. If your Synology NAS is currently connected via a wireless dongle, it will be disconnected after the update.
DSM 7.0 will end support for ext3. We strongly suggest backing up the data stored on your ext3 volumes and transferring the data to volumes with supported file systems before the update.
DSM 7.0 by default disables NTLMv1 and enables NTMLv2 only, so SMB clients (e.g., Windows XP devices, media players, network printers, smart TVs, and IP cameras) won’t be able to access your Synology NAS. To restore the connection after the update, go to Control Panel > File Services > SMB > Advanced Settings > Others and enable NTLMv1 authentication.
Creating SSD caches on block-level LUNs is no longer supported. Existing SSD caches for block LUNs will function normally after the update.
NT4 domains are no longer supported. Current NT4 domains will be unavailable after the update.
The URLs used by DSM when updating or running services have been modified. Please read this article and make sure that your firewall rules are configured appropriately.
iSCSI Manager will become SAN Manager on DSM 7.0. Please refer to package release notes for more details.
To provide comprehensive TLS support and ensure compatibility, the TLS/SSL profile level in Modern compatibility will automatically change to Intermediate Compatibility after the update.
EZ-Internet is merged with Router Configuration in Control Panel. To set up port forwarding, go to Control Panel > External Access > Router Configuration.
Python3 is merged into DSM as a built-in service. The original Python3 package will be unavailable in Package Center and you can remove it manually.
The following DDNS providers are removed from the service provider list at Control Panel > External Access > DDNS:
CloudNS, DNO-O-Matic, DNSEXIT, Dynamic DO!.jp, Joker.com, RU-CENTER, TwoDNS.de, Variomedia, Zoneedit.com
The updated QuickConnect connection is secured with an SSL certificate, and your QuickConnect domain will be passed to Let's Encrypt for certificate application purposes. Please refer to the Privacy Statement for more details.
Security Advisor by default enables Login Analysis and certain custom account detection check items after the update.
Video conversion to FLV and MPEG-4 Part 2 formats on the following models is no longer supported.
20-series: DS120j
19-series: DS119j
16-series: DS216se
15-series: DS215j, DS115, DS115j
14-series: RS814, RS214, DS414, DS414slim, DS414j, DS214+, DS214, DS214se, DS114
13-series: DS213j
Active Insight & Hybrid Share Service are build-in services available with DSM 7.0 Official, these two services will be automatically installed as Beta version after the update.
Packages

Synology Moments and Photo Station will be upgraded to and merged as Synology Photos. If you would like to use Synology Photos on your mobile devices, please install the iOS/Android app. See this page for more details.
Cloud Station Server and Cloud Station ShareSync will be upgraded to and merged with Synology Drive Server. If you are using any Cloud Station Suite applications (Cloud Station Server, Cloud Station Drive, Cloud Station Backup, Cloud Station ShareSync, or DS cloud), you must switch to their counterparts in the Synology Drive Suite to ensure compatibility. See this page for more details.
MariaDB 5 is incompatible with DSM 7.0. To update to DSM 7.0, please install MariaDB 10, migrate the database, and uninstall MariaDB 5 in Package Center first.
If you cannot find certain Synology approved third-party packages in Package Center, check this article for the latest status of the packages. For other third-party packages, please contact their developers for more information.
The following packages are no longer supported:
Cloud Station Server (replaced by Synology Drive Server), Cloud Station ShareSync (replaced by Synology Drive Server), Discourse, DokuWiki, Drupal, Drupal8, DVBLink, GitLab, GLPI, Hasplm, Java7, Java8, LimeSurvey, Logitech® Media Server, LXQt, Magento, Magento2, MantisBT, Moments (replaced by Synology Photos), Mono, Moodle, Node.js 0.10, Node.js 0.12, Node.js v4, Node.js v6, Node.js v8, Odoo 8, OpenERP 6.1, OpenERP 7.0, OrangeHRM, Orthanc, osCommerce, osTicket, PHP PEAR, Photo Station (replaced by Synology Photos), phpBB, Piwik, Podcast Generator, PrestaShop, PrestaShop1.7, PythonModule, Redmine, Ruby, Spree, SugarCRM, SVN, Synology File Manager, Tomcat6, Tomcat7, TVMosaic, Webalizer
What’s New
Storage
A new revision of Storage Manager:
Added visuals of Synology NAS models with their drive slots, expansion units, and built-in M.2 slots to help users view drive status.
Enhanced usability with a clearer display of the relationship between storage pools, volumes, and SSD caches.
Enhanced the setup process of Hot Spare and Data Scrubbing.
Added a feature to guide users through configuring newly inserted drives.
New features of storage pools, volumes, and drives:
Supports performing different tasks on different storage pools simultaneously.
Supports updating the firmware for Synology drives.
Enhanced the access performance of degraded RAID 6 by 70%.
Added display of the storage usage of each category item on Btrfs volumes.
Added a new Fast Repair mechanism to reduce the time needed for RAID repair based on storage usage and thus reduce the time of RAID degradation.
Added the ability to replace a drive in a healthy storage pool with an unused one without interrupting services or causing storage pool degradation.
Added the ability to automatically replace “Critical” or “Failing” drives in protected storage pools with Hot Spare.  
Added the Auto Repair feature to automatically run a RAID repair when a malfunctioned drive is replaced with a healthy one in the same drive slot.
Added the ability to eject a storage pool on an expansion unit to ensure the safe removal of drives without interrupting system services.
Added the ability to mount storage pools from drives that are inserted after the device has been powered on without interrupting system services.
Supports customizing the low capacity notification for individual volumes when their available space drops below the specified value.
Added support for space reclamation schedules for Btrfs volumes.
New features of SSD Cache:
Added the ability to create and remove SSD caches without interrupting system services.
Added the new SSD Cache Advisor to monitor I/O accesses and provide more accurate capacity recommendations.
Added the ability to pin all Btrfs metadata to SSD caches to enhance the performance of accessing small files and shorten the response time when accessing files regularly.
Added the ability to activate automatic protection on SSD read-write caches with multi-drive fault tolerance.
Added support for the quick write-back mechanism, delivering a 30% faster synchronization from SSD caches to HDDs when automatic protection is activated.
Resource Monitor
Revamped the display of recorded performance metrics with a finer granularity of data points and the ability to focus on certain time points.
Enhanced monitoring transparency of system services by separating larger, unrelated processes.
Added the ability to manage currently accessed files and their connected users to better handle locked files.
File System/File Services
Supports enabling/disabling file compression for shared folders created on DSM 7.0.
Enhanced file compression ratio and added display for the current ratio for each shared folder.
Added support for cross-protocol locking between SMB and AFP.
Supports accessing encrypted shared folders via NFS.
Enhanced Btrfs performance and lowered I/O latency.
Modularized the SMB file service into a package.
Allows users to enable/disable SMB transfer logs for permission changes, providing more flexible transfer logs.
Enhanced the encryption performance by up to 10% on certain models with the x86 platform.
In Windows File Explorer, users can now search for the files and their content in indexed folders.
User Management
Enhanced the password policy. Passwords must exclude username and description, include both upper-case and lower-case letters as well as numerical digits. The minimum password length is 8 characters.
Added the ability to delegate predefined administrator roles to non-administrator user accounts and allow them to manage certain services and system settings, offering more flexible permission management.
Added the ability to require imported users to change their passwords after their initial DSM logins.
Added the ability to assign user accounts from import lists to specific groups.
Domain/LDAP Integration
Enhanced LDAP client authentication performance by reducing the number of queries sent with a caching mechanism.
The following services and packages now support UPN logins: Synology Assistant, Hyper Backup, Synology Mail Server, Synology Calendar, and Shared Folder Sync.
Enhanced domain database synchronization performance by syncing only altered data.
Security
Added the ability to block USB and console ports.
Enhanced QuickConnect connection process to strengthen security.
Provides only TLS 1.3 support for the Modern Compatibility option for TLS/SSL profile level.
Added the ability to set 2-factor authentication as mandatory for specific users or groups.
User Experience
Enhanced user experience for DSM first-time installation and Synology Account related service setup (e.g. QuickConnect).
Added the ability to automatically install important DSM and package updates.
Added information and usage tips about security, notification, and other recommended settings in DSM Help.
Added the ability to back up DSM system configuration to a connected Synology Account.
Added the ability to export folder permissions reports.
Added support for application webhook integration to send system notifications to Synology Chat and other third-party applications.
Added severity levels to notifications for better categorization of events.
Enhanced user interface responsiveness to launch installed packages and services faster.
Enhanced login performance when connecting from external networks.
Enhanced user experience for package update processes by displaying the update status with package icons on the DSM desktop.
Supports resetting the passwords of all user accounts in the administrators group by pressing the RESET button on Synology NAS for 4 seconds.
Revamped the Service tab at Control Panel > Info Center. The tab focuses on the status of enabled services and packages, including local ports, router ports, and firewall permissions.
Enhanced Control Panel usability by reorganizing related functionality together:
Added a new Synology Account tab to consolidate future services provided through Synology Account.
Consolidated Domain/LDAP options to be configured in a new unified wizard.
Consolidated QuickConnect settings into the External Access tab.
Consolidated User and Groups settings.
Consolidated Theme and Application Portal options into Login Portal tab.
Consolidated email notification options into Notification > Email tab.
Consolidated WS-Discovery into File Services > SMB.
Consolidated Network > DSM Settings into Login Portal > Web Services.
Relocated the SMB Server Signing option to File Services > SMB > Advanced Settings.
Moved Shared Folder Sync into the File Services tab.
Moved the Enforce 2-factor authentication option into the Security tab.
Modularized DHCP Server into a package.
Limitations
When you click Notifications > Show All on your desktop right after the update, you will only be able to see the 500 recent notifications. However, this won't occur for future notifications.
DSM 7.0 no longer supports sending push notifications via Synology’s email server. To set up email notifications, go to Control Panel > Notification > Email.
DDSM is incompatible with DSM 7.0. To continue using DDSM, you should retain the current DSM version. To update to DSM 7.0, please delete DDSM first.
The "Shut down UPS when the system enters Standby Mode" function is only available on Omron UPS.
The AFP service is disabled by default after a clean installation.
After the update, if your Synology NAS is a managed server in Central Management System, the CMS host must run DSM 6.2.4 or above and CMS 2.1.4 to be able to manage important DSM updates and package updates on your device.
Central Management System no longer supports managing Synology NAS with DSM version earlier than DSM 6.2. Please update all managed servers to DSM 6.2 or above first. Managed servers that are unable to update to DSM 6.2 should be disjoined from the CMS host before the update.
Version: 7.0-41890
(2021-06-29)


Important note

Before Update
Before updating, your Synology NAS should be running DSM 6.2 or above versions.
Reserve extra time to complete DSM 7.0 update. The DSM update takes 10 to 20 minutes, while package update may take more than an hour. The actual time depends on the computing power of your model, the number of media indexing files, and the number of packages installed.
If you're performing a clean installation, make sure to complete the installation with find.synology.com or Synology Assistant 7.0-50029 or above.
To avoid possible compatibility issues, users who installed Active Insight, Synology Photos, and Secure SignIn mobile applications during DSM 7.0 Preview/Beta programs should update the applications to the latest version after the DSM update.
DSM 7.0 consumes more system resources, including memory. If your model has less than 1 GB of memory, updating to DSM 7.0 may affect system performance.
For the models below, you can only download the upgrade patch from Synology Download Center because you won't receive notifications for this update on your DSM.
15-Series: RS815RP+, RS815+, RS815, DS2415+, DS1815+, DS1515+, DS1515, DS715, DS415+, DS415play, DS215+, DS215j, DS115, DS115j
14-Series: RS2414RP+, RS2414+, RS814RP+, RS814+, RS814, RS214, DS414, DS414slim, DS414j, DS214+, DS214, DS214play, DS214se, DS114
13-Series: DS2413+, DS1813+, DS1513+, DS713+, DS213j
DSM 7.0 for FS, SA, XS/XS+, and DVA series models are currently under development and will be available in the next quarter.
DSM

USB devices (Wi-Fi dongle, Bluetooth dongle, 3G/4G dongle, USB DAC/speaker, and DTV dongle) are no longer supported. If your Synology NAS is currently connected via a wireless dongle, it will be disconnected after the update.
DSM 7.0 will end support for ext3. We strongly suggest backing up the data stored on your ext3 volumes and transferring the data to volumes with supported file systems before the update.
DSM 7.0 by default disables NTLMv1 and enables NTMLv2 only, so SMB clients (e.g., Windows XP devices, media players, network printers, smart TVs, and IP cameras) won’t be able to access your Synology NAS. To restore the connection after the update, go to Control Panel > File Services > SMB > Advanced Settings > Others and enable NTLMv1 authentication.
NFSv4.1 and related advanced functions (multipathing) are no longer supported on Synology NAS models with the following package architectures: Alpine, Alpine4k, Armada370, Armada375, armada38x, Armadaxp, Avoton, Braswell, Bromolow, Cedarview, Comcerto2k, Evansport, Grantley, Monaco. If you had previously enabled NFSv4 and NFSv4.1, the maximum NFS protocol is set to NFSv4 by default after the update. For more information about the package architecture of your model, please refer to this article.
Creating SSD caches on block-level LUNs is no longer supported. Existing SSD caches for block LUNs will function normally after the update.
NT4 domains are no longer supported. Current NT4 domains will be unavailable after the update.
The URLs used by DSM when updating or running services have been modified. Please read this article and make sure that your firewall rules are configured appropriately.
iSCSI Manager will become SAN Manager on DSM 7.0. Please refer to package release notes for more details.
To provide comprehensive TLS support and ensure compatibility, the TLS/SSL profile level in Modern compatibility will automatically change to Intermediate Compatibility after the update.
EZ-Internet is merged with Router Configuration in Control Panel. To set up port forwarding, go to Control Panel > External Access > Router Configuration.
Python3 is merged into DSM as a built-in service. The original Python3 package will be unavailable in Package Center and you can remove it manually.
The following DDNS providers are removed from the service provider list at Control Panel > External Access > DDNS:
CloudNS, DNO-O-Matic, DNSEXIT, Dynamic DO!.jp, Joker.com, RU-CENTER, TwoDNS.de, Variomedia, Zoneedit.com
The updated QuickConnect connection is secured with an SSL certificate, and your QuickConnect domain will be passed to Let's Encrypt for certificate application purposes. Please refer to the Privacy Statement for more details.
Security Advisor by default enables Login Analysis and certain custom account detection check items after the update.
Video conversion to FLV and MPEG-4 Part 2 formats on the following models is no longer supported.
20-series: DS120j
19-series: DS119j
16-series: DS216se
15-series: DS215j, DS115, DS115j
14-series: RS814, RS214, DS414, DS414slim, DS414j, DS214+, DS214, DS214se, DS114
13-series: DS213j
Active Insight & Hybrid Share Service are build-in services available with DSM 7.0 Official, these two services will be automatically installed as Beta version after the update.
Packages

Synology Moments and Photo Station will be upgraded to and merged as Synology Photos. If you would like to use Synology Photos on your mobile devices, please install the iOS/Android app. See this page for more details.
Cloud Station Server and Cloud Station ShareSync will be upgraded to and merged with Synology Drive Server. If you are using any Cloud Station Suite applications (Cloud Station Server, Cloud Station Drive, Cloud Station Backup, Cloud Station ShareSync, or DS cloud), you must switch to their counterparts in the Synology Drive Suite to ensure compatibility. See this page for more details.
MariaDB 5 is incompatible with DSM 7.0. To update to DSM 7.0, please install MariaDB 10, migrate the database, and uninstall MariaDB 5 in Package Center first.
Migration Assistant is currently in beta on DSM 7.0. More information can be found on the Beta Program page, including compatibility details and release notes.
If you cannot find certain Synology approved third-party packages in Package Center, check this article for the latest status of the packages. For other third-party packages, please contact their developers for more information.
The following packages are no longer supported:
Cloud Station Server (replaced by Synology Drive Server), Cloud Station ShareSync (replaced by Synology Drive Server), Discourse, DokuWiki, Drupal, Drupal8, DVBLink, GitLab, GLPI, Hasplm, Java7, Java8, LimeSurvey, Logitech® Media Server, LXQt, Magento, Magento2, MantisBT, Moments (replaced by Synology Photos), Mono, Moodle, Node.js 0.10, Node.js 0.12, Node.js v4, Node.js v6, Node.js v8, Odoo 8, OpenERP 6.1, OpenERP 7.0, OrangeHRM, Orthanc, osCommerce, osTicket, PHP PEAR, Photo Station (replaced by Synology Photos), phpBB, Piwik, Podcast Generator, PrestaShop, PrestaShop1.7, PythonModule, Redmine, Ruby, Spree, SugarCRM, SVN, Synology File Manager, Tomcat6, Tomcat7, TVMosaic, Webalizer
What’s New
Storage
A new revision of Storage Manager:
Added visuals of Synology NAS models with their drive slots, expansion units, and built-in M.2 slots to help users view drive status.
Enhanced usability with a clearer display of the relationship between storage pools, volumes, and SSD caches.
Enhanced the setup process of Hot Spare and Data Scrubbing.
Added a feature to guide users through configuring newly inserted drives.
New features of storage pools, volumes, and drives:
Supports performing different tasks on different storage pools simultaneously.
Supports updating the firmware for Synology drives.
Enhanced the access performance of degraded RAID 6 by 70%.
Added display of the storage usage of each category item on Btrfs volumes.
Added a new Fast Repair mechanism to reduce the time needed for RAID repair based on storage usage and thus reduce the time of RAID degradation.
Added the ability to replace a drive in a healthy storage pool with an unused one without interrupting services or causing storage pool degradation.
Added the ability to automatically replace “Critical” or “Failing” drives in protected storage pools with Hot Spare.  
Added the Auto Repair feature to automatically run a RAID repair when a malfunctioned drive is replaced with a healthy one in the same drive slot.
Added the ability to eject a storage pool on an expansion unit to ensure the safe removal of drives without interrupting system services.
Added the ability to mount storage pools from drives that are inserted after the device has been powered on without interrupting system services.
Supports customizing the low capacity notification for individual volumes when their available space drops below the specified value.
Added support for space reclamation schedules for Btrfs volumes.
New features of SSD Cache:
Added the ability to create and remove SSD caches without interrupting system services.
Added the new SSD Cache Advisor to monitor I/O accesses and provide more accurate capacity recommendations.
Added the ability to pin all Btrfs metadata to SSD caches to enhance the performance of accessing small files and shorten the response time when accessing files regularly.
Added the ability to activate automatic protection on SSD read-write caches with multi-drive fault tolerance.
Added support for the quick write-back mechanism, delivering a 30% faster synchronization from SSD caches to HDDs when automatic protection is activated.
Resource Monitor
Revamped the display of recorded performance metrics with a finer granularity of data points and the ability to focus on certain time points.
Enhanced monitoring transparency of system services by separating larger, unrelated processes.
Added the ability to manage currently accessed files and their connected users to better handle locked files.
File System/File Services
Supports enabling/disabling file compression for shared folders created on DSM 7.0.
Enhanced file compression ratio and added display for the current ratio for each shared folder.
Added support for cross-protocol locking between SMB and AFP.
Supports accessing encrypted shared folders via NFS.
Enhanced Btrfs performance and lowered I/O latency.
Modularized the SMB file service into a package.
Allows users to enable/disable SMB transfer logs for permission changes, providing more flexible transfer logs.
Enhanced the encryption performance by up to 10% on certain models with the x86 platform.
In Windows File Explorer, users can now search for the files and their content in indexed folders.
User Management
Enhanced the password policy. Passwords must exclude username and description, include both upper-case and lower-case letters as well as numerical digits. The minimum password length is 8 characters.
Added the ability to delegate predefined administrator roles to non-administrator user accounts and allow them to manage certain services and system settings, offering more flexible permission management.
Added the ability to require imported users to change their passwords after their initial DSM logins.
Added the ability to assign user accounts from import lists to specific groups.
Domain/LDAP Integration
Enhanced LDAP client authentication performance by reducing the number of queries sent with a caching mechanism.
The following services and packages now support UPN logins: Synology Assistant, Hyper Backup, Synology Mail Server, Synology Calendar, and Shared Folder Sync.
Enhanced domain database synchronization performance by syncing only altered data.
Security
Added the ability to block USB and console ports.
Enhanced QuickConnect connection process to strengthen security.
Provides only TLS 1.3 support for the Modern Compatibility option for TLS/SSL profile level.
Added the ability to set 2-factor authentication as mandatory for specific users or groups.
User Experience
Enhanced user experience for DSM first-time installation and Synology Account related service setup (e.g. QuickConnect).
Added the ability to automatically install important DSM and package updates.
Added information and usage tips about security, notification, and other recommended settings in DSM Help.
Added the ability to back up DSM system configuration to a connected Synology Account.
Added the ability to export folder permissions reports.
Added support for application webhook integration to send system notifications to Synology Chat and other third-party applications.
Added severity levels to notifications for better categorization of events.
Enhanced user interface responsiveness to launch installed packages and services faster.
Enhanced login performance when connecting from external networks.
Enhanced user experience for package update processes by displaying the update status with package icons on the DSM desktop.
Supports resetting the passwords of all user accounts in the administrators group by pressing the RESET button on Synology NAS for 4 seconds.
Revamped the Service tab at Control Panel > Info Center. The tab focuses on the status of enabled services and packages, including local ports, router ports, and firewall permissions.
Enhanced Control Panel usability by reorganizing related functionality together:
Added a new Synology Account tab to consolidate future services provided through Synology Account.
Consolidated Domain/LDAP options to be configured in a new unified wizard.
Consolidated QuickConnect settings into the External Access tab.
Consolidated User and Groups settings.
Consolidated Theme and Application Portal options into Login Portal tab.
Consolidated email notification options into Notification > Email tab.
Consolidated WS-Discovery into File Services > SMB.
Consolidated Network > DSM Settings into Login Portal > Web Services.
Relocated the SMB Server Signing option to File Services > SMB > Advanced Settings.
Moved Shared Folder Sync into the File Services tab.
Moved the Enforce 2-factor authentication option into the Security tab.
Modularized DHCP Server into a package.
Fixed Issues
Fixed an issue where DSM desktop widgets may disappear after clicking the Show Desktop button.
Fixed an issue where, after updating to DSM 7.0-41222, users attempting to sign in to packages through application portals may be stuck on the "Getting Ready" page.
Fixed an issue where volume errors might occur when usage detail analysis is enabled in Storage Manager.
Fixed an issue where exFAT external storage devices could not mount successfully when the available system memory was fragmented.
Fixed an issue where auto poweroff could not be disabled via the HDD Hibernation interface.
Fixed an issue where users logging in to some mobile apps causes saved user login sessions to remain even after system reboot.
Fixed an issue where certain circumstances might prevent the system from correctly backing up configuration settings.
Fixed an issue where Synology Chat Client shows up blank when users sign in.
Fixed an issue where DS video can't play videos on certain Samsung TV models.
Fixed an issue where UPnP connection via QuickConnect may fail when relay service is not enabled.
Fixed an issue where new users could not apply the default wallpaper or images stored in DiskStation as the desktop background.
Fixed an issue where Bonjour service generated redundant logs.
Fixed an issue where managed servers might become disconnected from the CMS Host if the CMS Host is running DSM 6.2.4.
Limitations
When you click Notifications > Show All on your desktop right after the update, you will only be able to see the 500 recent notifications. However, this won't occur for future notifications.
DSM 7.0 no longer supports sending push notifications via Synology’s email server. To set up email notifications, go to Control Panel > Notification > Email.
DDSM is incompatible with DSM 7.0. To continue using DDSM, you should retain the current DSM version. To update to DSM 7.0, please delete DDSM first.
The "Shut down UPS when the system enters Standby Mode" function is only available on Omron UPS.
The AFP service is disabled by default after a clean installation.
After the update, if your Synology NAS is a managed server in Central Management System, the CMS host must run DSM 6.2.4 or above and CMS 2.1.4 to be able to manage important DSM updates and package updates on your device.
Central Management System no longer supports managing Synology NAS with DSM version earlier than DSM 6.2. Please update all managed servers to DSM 6.2 or above first. Managed servers that are unable to update to DSM 6.2 should be disjoined from the CMS host before the update.
Version: 7.0-41890
(2021-07-19)

Important note
DSM 7.0-41890 is updated on July 19 to fix issues with SAN Manager 1.0.1-0197, Active Insight 1.0.2-1007, and SMB Service 4.10.18-0223. Users who have already installed this version of DSM are recommended to update the packages in Package Center.

Before Update
The update is expected to be available for all regions within the next few weeks, although the time of release in each region may vary slightly. If you want to update to the latest version now, please go to Synology Download Center and manually update your DSM.
After the installation of DSM 7.0, you will not be able to downgrade to a previous DSM version.
Before updating, your Synology NAS should be running DSM 6.2 or above versions.
Reserve extra time to complete DSM 7.0 update. The DSM update takes 10 to 20 minutes, while package update may take more than an hour. The actual time depends on the computing power of your model, the number of media indexing files, and the number of packages installed.
If you're performing a clean installation, make sure to complete the installation with find.synology.com or Synology Assistant 7.0-50029 or above.
To avoid possible compatibility issues, users who installed Active Insight, Synology Photos, and Secure SignIn mobile applications during DSM 7.0 Preview/Beta programs should update the applications to the latest version after the DSM update.
DSM 7.0 consumes more system resources, including memory. If your model has less than 1 GB of memory, updating to DSM 7.0 may affect system performance.
For the models below, you can only download the upgrade patch from Synology Download Center because you won't receive notifications for this update on your DSM.
15-Series: RS815RP+, RS815+, RS815, DS2415+, DS1815+, DS1515+, DS1515, DS715, DS415+, DS415play, DS215+, DS215j, DS115, DS115j
14-Series: RS2414RP+, RS2414+, RS814RP+, RS814+, RS814, RS214, DS414, DS414slim, DS414j, DS214+, DS214, DS214play, DS214se, DS114
13-Series: DS2413+, DS1813+, DS1513+, DS713+, DS213j
DSM 7.0 for FS, SA, XS/XS+, and DVA series models are currently under development and will be available in the next quarter.
DSM

USB devices (Wi-Fi dongle, Bluetooth dongle, 3G/4G dongle, USB DAC/speaker, and DTV dongle) are no longer supported. If your Synology NAS is currently connected via a wireless dongle, it will be disconnected after the update.
DSM 7.0 will end support for ext3. We strongly suggest backing up the data stored on your ext3 volumes and transferring the data to volumes with supported file systems before the update.
DSM 7.0 by default disables NTLMv1 and enables NTMLv2 only, so SMB clients (e.g., Windows XP devices, media players, network printers, smart TVs, and IP cameras) won’t be able to access your Synology NAS. To restore the connection after the update, go to Control Panel > File Services > SMB > Advanced Settings > Others and enable NTLMv1 authentication.
NFSv4.1 and related advanced functions (multipathing) are no longer supported on Synology NAS models with the following package architectures: Alpine, Alpine4k, armada38x, Avoton, Braswell, Bromolow, Cedarview, Grantley, Monaco. If you had previously enabled NFSv4 and NFSv4.1, the maximum NFS protocol is set to NFSv4 by default after the update. For more information about the package architecture of your model, please refer to this article.
Creating SSD caches on block-level LUNs is no longer supported. Existing SSD caches for block LUNs will function normally after the update.
NT4 domains are no longer supported. Current NT4 domains will be unavailable after the update.
The URLs used by DSM when updating or running services have been modified. Please read this article and make sure that your firewall rules are configured appropriately.
iSCSI Manager will become SAN Manager on DSM 7.0. Please refer to package release notes for more details.
When you reconnect to iSCSI targets from your VMware ESXi hosts after the DSM update, the datastores on the LUNs that are mapped to the targets may not be mounted properly. This only happens to LUNs created before the update. The resolution can be found in VMware Knowledge Base.
To provide comprehensive TLS support and ensure compatibility, the TLS/SSL profile level in Modern compatibility will automatically change to Intermediate Compatibility after the update.
EZ-Internet is merged with Router Configuration in Control Panel. To set up port forwarding, go to Control Panel > External Access > Router Configuration.
Python3 is merged into DSM as a built-in service. The original Python3 package will be unavailable in Package Center and you can remove it manually.
The following DDNS providers are removed from the service provider list at Control Panel > External Access > DDNS:
CloudNS, DNO-O-Matic, DNSEXIT, Dynamic DO!.jp, Joker.com, RU-CENTER, TwoDNS.de, Variomedia, Zoneedit.com
The updated QuickConnect connection is secured with an SSL certificate, and your QuickConnect domain will be passed to Let's Encrypt for certificate application purposes. Please refer to the Privacy Statement for more details.
Security Advisor by default enables Login Analysis and certain custom account detection check items after the update.
Video conversion to FLV and MPEG-4 Part 2 formats on the following models is no longer supported.
20-series: DS120j
19-series: DS119j
16-series: DS216se
15-series: DS215j, DS115, DS115j
14-series: RS814, RS214, DS414, DS414slim, DS414j, DS214+, DS214, DS214se, DS114
13-series: DS213j
Active Insight & Hybrid Share Service are build-in services available with DSM 7.0 Official, these two services will be automatically installed as Beta version after the update.
Packages

Synology Moments and Photo Station will be upgraded to and merged as Synology Photos. If you would like to use Synology Photos on your mobile devices, please install the iOS/Android app. See this page for more details.
Cloud Station Server and Cloud Station ShareSync will be upgraded to and merged with Synology Drive Server. If you are using any Cloud Station Suite applications (Cloud Station Server, Cloud Station Drive, Cloud Station Backup, Cloud Station ShareSync, or DS cloud), you must switch to their counterparts in the Synology Drive Suite to ensure compatibility. See this page for more details.
MariaDB 5 is incompatible with DSM 7.0. To update to DSM 7.0, please install MariaDB 10, migrate the database, and uninstall MariaDB 5 in Package Center first.
Migration Assistant is currently in beta on DSM 7.0. More information can be found on the Beta Program page, including compatibility details and release notes.
If you cannot find certain Synology approved third-party packages in Package Center, check this article for the latest status of the packages. For other third-party packages, please contact their developers for more information.
The following packages are no longer supported:
Cloud Station Server (replaced by Synology Drive Server), Cloud Station ShareSync (replaced by Synology Drive Server), Discourse, DokuWiki, Drupal, Drupal8, DVBLink, GitLab, GLPI, Hasplm, Java7, Java8, LimeSurvey, Logitech® Media Server, LXQt, Magento, Magento2, MantisBT, Moments (replaced by Synology Photos), Mono, Moodle, Node.js 0.10, Node.js 0.12, Node.js v4, Node.js v6, Node.js v8, Odoo 8, OpenERP 6.1, OpenERP 7.0, OrangeHRM, Orthanc, osCommerce, osTicket, PHP PEAR, Photo Station (replaced by Synology Photos), phpBB, Piwik, Podcast Generator, PrestaShop, PrestaShop1.7, PythonModule, Redmine, Ruby, Spree, SugarCRM, SVN, Synology File Manager, Tomcat6, Tomcat7, TVMosaic, Webalizer
After you update to Web Station 3.0.0-0308, a web_packages shared folder will be created by default to store files from installed third-party packages (e.g., phpMyAdmin).
What’s New
Storage
A new revision of Storage Manager:
Added visuals of Synology NAS models with their drive slots, expansion units, and built-in M.2 slots to help users view drive status.
Enhanced usability with a clearer display of the relationship between storage pools, volumes, and SSD caches.
Enhanced the setup process of Hot Spare and Data Scrubbing.
Added a feature to guide users through configuring newly inserted drives.
New features of storage pools, volumes, and drives:
Supports performing different tasks on different storage pools simultaneously.
Supports updating the firmware for Synology drives.
Enhanced the access performance of degraded RAID 6 by 70%.
Added display of the storage usage of each category item on Btrfs volumes.
Added a new Fast Repair mechanism to reduce the time needed for RAID repair based on storage usage and thus reduce the time of RAID degradation.
Added the ability to replace a drive in a healthy storage pool with an unused one without interrupting services or causing storage pool degradation.
Added the ability to automatically replace “Critical” or “Failing” drives in protected storage pools with Hot Spare.  
Added the Auto Repair feature to automatically run a RAID repair when a malfunctioned drive is replaced with a healthy one in the same drive slot.
Added the ability to eject a storage pool on an expansion unit to ensure the safe removal of drives without interrupting system services.
Added the ability to mount storage pools from drives that are inserted after the device has been powered on without interrupting system services.
Supports customizing the low capacity notification for individual volumes when their available space drops below the specified value.
Added support for space reclamation schedules for Btrfs volumes.
New features of SSD Cache:
Added the ability to create and remove SSD caches without interrupting system services.
Added the new SSD Cache Advisor to monitor I/O accesses and provide more accurate capacity recommendations.
Added the ability to pin all Btrfs metadata to SSD caches to enhance the performance of accessing small files and shorten the response time when accessing files regularly.
Added the ability to activate automatic protection on SSD read-write caches with multi-drive fault tolerance.
Added support for the quick write-back mechanism, delivering a 30% faster synchronization from SSD caches to HDDs when automatic protection is activated.
Resource Monitor
Revamped the display of recorded performance metrics with a finer granularity of data points and the ability to focus on certain time points.
Enhanced monitoring transparency of system services by separating larger, unrelated processes.
Added the ability to manage currently accessed files and their connected users to better handle locked files.
File System/File Services
Supports enabling/disabling file compression for shared folders created on DSM 7.0.
Enhanced file compression ratio and added display for the current ratio for each shared folder.
Added support for cross-protocol locking between SMB and AFP.
Supports accessing encrypted shared folders via NFS.
Enhanced Btrfs performance and lowered I/O latency.
Modularized the SMB file service into a package.
Allows users to enable/disable SMB transfer logs for permission changes, providing more flexible transfer logs.
Enhanced the encryption performance by up to 10% on certain models with the x86 platform.
In Windows File Explorer, users can now search for the files and their content in indexed folders.
User Management
Enhanced the password policy. Passwords must exclude username and description, include both upper-case and lower-case letters as well as numerical digits. The minimum password length is 8 characters.
Added the ability to delegate predefined administrator roles to non-administrator user accounts and allow them to manage certain services and system settings, offering more flexible permission management.
Added the ability to require imported users to change their passwords after their initial DSM logins.
Added the ability to assign user accounts from import lists to specific groups.
Domain/LDAP Integration
Enhanced LDAP client authentication performance by reducing the number of queries sent with a caching mechanism.
The following services and packages now support UPN logins: Synology Assistant, Hyper Backup, Synology Mail Server, Synology Calendar, and Shared Folder Sync.
Enhanced domain database synchronization performance by syncing only altered data.
Security
Added the ability to block USB and console ports.
Enhanced QuickConnect connection process to strengthen security.
Provides only TLS 1.3 support for the Modern Compatibility option for TLS/SSL profile level.
Added the ability to set 2-factor authentication as mandatory for specific users or groups.
User Experience
Enhanced user experience for DSM first-time installation and Synology Account related service setup (e.g. QuickConnect).
Added the ability to automatically install important DSM and package updates.
Added information and usage tips about security, notification, and other recommended settings in DSM Help.
Added the ability to back up DSM system configuration to a connected Synology Account.
Added the ability to export folder permissions reports.
Added support for application webhook integration to send system notifications to Synology Chat and other third-party applications.
Added severity levels to notifications for better categorization of events.
Enhanced user interface responsiveness to launch installed packages and services faster.
Enhanced login performance when connecting from external networks.
Enhanced user experience for package update processes by displaying the update status with package icons on the DSM desktop.
Supports resetting the passwords of all user accounts in the administrators group by pressing the RESET button on Synology NAS for 4 seconds.
Revamped the Service tab at Control Panel > Info Center. The tab focuses on the status of enabled services and packages, including local ports, router ports, and firewall permissions.
Enhanced Control Panel usability by reorganizing related functionality together:
Added a new Synology Account tab to consolidate future services provided through Synology Account.
Consolidated Domain/LDAP options to be configured in a new unified wizard.
Consolidated QuickConnect settings into the External Access tab.
Consolidated User and Groups settings.
Consolidated Theme and Application Portal options into Login Portal tab.
Consolidated email notification options into Notification > Email tab.
Consolidated WS-Discovery into File Services > SMB.
Consolidated Network > DSM Settings into Login Portal > Web Services.
Relocated the SMB Server Signing option to File Services > SMB > Advanced Settings.
Moved Shared Folder Sync into the File Services tab.
Moved the Enforce 2-factor authentication option into the Security tab.
Modularized DHCP Server into a package.
Fixed Issues
Fixed an issue where DSM desktop widgets may disappear after clicking the Show Desktop button.
Fixed an issue where, after updating to DSM 7.0-41222, users attempting to sign in to packages through application portals may be stuck on the "Getting Ready" page.
Fixed an issue where volume errors might occur when usage detail analysis is enabled in Storage Manager.
Fixed an issue where exFAT external storage devices could not mount successfully when the available system memory was fragmented.
Fixed an issue where auto poweroff could not be disabled via the HDD Hibernation interface.
Fixed an issue where users logging in to some mobile apps causes saved user login sessions to remain even after system reboot.
Fixed an issue where certain circumstances might prevent the system from correctly backing up configuration settings.
Fixed an issue where Synology Chat Client shows up blank when users sign in.
Fixed an issue where DS video can't play videos on certain Samsung TV models.
Fixed an issue where UPnP connection via QuickConnect may fail when relay service is not enabled.
Fixed an issue where new users could not apply the default wallpaper or images stored in DiskStation as the desktop background.
Fixed an issue where Bonjour service generated redundant logs.
Fixed an issue where managed servers might become disconnected from the CMS Host if the CMS Host is running DSM 6.2.4.
Limitations
When you click Notifications > Show All on your desktop right after the update, you will only be able to see the 500 recent notifications. However, this won't occur for future notifications.
DSM 7.0 no longer supports sending push notifications via Synology’s email server. To set up email notifications, go to Control Panel > Notification > Email.
DDSM is incompatible with DSM 7.0. To continue using DDSM, you should retain the current DSM version. To update to DSM 7.0, please delete DDSM first.
The "Shut down UPS when the system enters Standby Mode" function is only available on Omron UPS.
The AFP service is disabled by default after a clean installation.
After the update, if your Synology NAS is a managed server in Central Management System, the CMS host must run DSM 6.2.4 or above and CMS 2.1.4 to be able to manage important DSM updates and package updates on your device.
Central Management System no longer supports managing Synology NAS with DSM version earlier than DSM 6.2. Please update all managed servers to DSM 6.2 or above first. Managed servers that are unable to update to DSM 6.2 should be disjoined from the CMS host before the update.
Version: 6.2.4-25556 Update 2

(2021-08-17)

Important Note
Your Synology NAS may not notify you of this DSM update because of the following reasons. If you want to update your DSM to this version now, please click here to manually update it.
The update is not available in your region yet. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
This update will restart your Synology NAS.
Disables the "Shut down UPS when the system enters Safe Mode" option by default.
Audio Station must be updated to version 6.5.6-3377 or above to be compatible with this update.
Media Server must be updated to version 1.8.1-2876 or above to be compatible with this update.
Surveillance Station must be updated to version 8.2.9-6459 or above to be compatible with this update.
Virtual Machine Manager must be updated to version 2.4.1-9259.
What's New

Added support for Synology Active Insight, which provides an option for automatic delivery of diagnostic data to Synology Technical Support upon submission of a support ticket for a faster troubleshooting process. This option is configurable at DSM > Support Center.
Added log entries for drive removal.
Fixed Issues

Fixed an issue where the domain group list wasn't updated correctly.
Fixed an issue where administrator users couldn't sign in to DSM after they reset their password by pressing the RESET button.
Fixed an issue where all input fields across DSM were auto-filled with DSM account name if users had had Google Chrome remember their password with the Autofill function.
Fixed an issue where Finder might stop responding when users search for content within mounted folders on macOS Big Sur 11.1 and 11.2.
Fixed an issue where after users updated to DSM 6.2.4, iSCSI targets mapped with LUNs created on DSM 6.0 and before became offline and couldn't be enabled.
Fixed an issue where signing in via 2-step verification generated an extra log entry.
Fixed an issue where deleted files from the home folder couldn't be found in the recycle bin if deleted via SMB.
Fixed an issue where there is a slight possibility that the SMB service might be shortly disconnected the moment users apply SMB setting modifications.
Fixed an issue where backing up data on Windows using Windows Server Backup or other third-party software to Synology NAS might fail after users updated their Windows with updates released since April 2021.
Updated the OpenSSL setting in response to new rules of Let's Encrypt certificates.
Fixed an issue where there might be an incorrect IP conflict message for VLANs.
Fixed an issue where DHCP settings of one network interface might be wrongly applied to another interface whose DHCP settings hadn't been enabled.
Fixed an issue where CMS-managed servers might disconnect from a CMS Host that has been updated to DSM 6.2.4.
Adjusted the LED indicator behavior for drive hibernation and deep sleep, making the LED status easier to distinguish on the following 15-series and 16-series models: DS916+, DS716+II, DS716+, DS416, DS416play, DS415+, DS415play, DS216+II, DS216+.
Fixed an issue where the UPS server might not function properly after the system reboot.
Refines the description for abnormal S.M.A.R.T test results and specifies the problematic S.M.A.R.T attributes.
Fixed an issue where the system might not obtain the compatibility information of hot-swapped drives on expansion units.
Fixed an issue where Western Digital hard drives couldn't be detected upon bootup on the following models: RS4017xs+, RS3618xs, RS3617xs+, RS3617RPxs, DS3617xsII, DS3617xs.
Fixed an issue where the fan couldn't resume in full speed mode after a system reboot on models with the V1000 platform.
Fixed an issue where memory module error messages weren't displayed properly.
Enhanced the system performance when there is a large number of concurrent connections.
Fixed an issue where when the "Get user/group lists with NT4-compatible mode" option is enabled, domain users might not be able to sign in to Synology Contacts.
Fixed an issue where 15-series and newer models couldn't hibernate when there is a system error, such as a storage issue and hardware malfunction.
Adjusted the fan speed on SA3400 and SA3600 to fix a potential overheating issue when E10G18-T2 is installed.
Fixed an issue where users couldn't expand the LUNs on ext4 volumes that are already mapped to iSCSI Targets.
Adjusted the fan speed to fix a potential overheating issue when a Synology network interface card (E10G18-T1, E10G18-T2, E10M20-T1, E10G21-F2, E25G20-F2) is used as the Heartbeat connection in an SHA cluster or for Open vSwitch.
Fixed an issue where the system couldn't retrieve the full name of domain groups correctly after users click "Update domain data".
Fixed an issue where the status of domain users couldn't be displayed properly when the status is "lockout".
Fixed multiple security vulnerabilities regarding Samba (CVE-2020-14318, CVE-2020-14323, CVE-2020-14383, CVE-2020-27840, CVE-2021-20277).
Fixed multiple security vulnerabilities. (Synology-SA-21:22)
Version: 7.0.1-42214 Release Candidate
(2021-08-31)

Release Candidate
Release Candidate
Release Candidate
Release Candidate
Release Candidate
Release Candidate
Release Candidate

Important notes

Before Update
DSM 7.0.1 will restart your Synology NAS.
After installing DSM 7.0.1, you will not be able to downgrade to a previous DSM version.
Before updating, your Synology NAS should be running DSM 6.2 or above versions.
Reserve extra time to complete DSM 7.0.1 update. The DSM update takes 10 to 20 minutes, while package update may take more than an hour. The actual time depends on the computing power of your model, the number of media indexing files, and the number of packages installed.
If you're performing a clean installation, make sure to complete the installation with find.synology.com or Synology Assistant 7.0-50029 or above.
To avoid possible compatibility issues, users who installed Active Insight, Synology Photos, and Secure SignIn mobile applications during DSM 7.0 Preview/Beta programs should update the applications to the latest version after the DSM update.
DSM 7.0.1 consumes more system resources, including memory. If your model has less than 1 GB of memory, updating to DSM 7.0.1 may affect system performance.
This version of DSM is compatible with the models below.
FS-Series: FS6400, FS3600, FS3400, FS3017, FS2017, FS1018
SA-Series: SA3600, SA3400, SA3200D
21-Series: RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+, DS1821+, DS1621+, DS1621xs+, DVA3221, RS4021xs+, RS3621xs+, RS3621RPxs
20-Series: RS820RP+, RS820+, DS1520+, DS920+, DS720+, DS620slim, DS420+, DS420j, DS220+, DS220j, DS120j
19-Series: RS1219+, RS819, DS2419+II, DS2419+, DS1819+, DS1019+, DS419slim, DS119j, DVA3219, RS1619xs+
18-Series: RS2818RP+, RS2418RP+, RS2418+, RS818RP+, RS818+, DS1618+, DS918+, DS718+, DS418, DS418play, DS418j, DS218+, DS218, DS218play, DS218j, DS118, RS3618xs, DS3018xs
17-Series: RS217, DS1817+, DS1817, DS1517+, DS1517, RS4017xs+, RS3617xs+, RS3617xs, RS3617RPxs, RS18017xs+, DS3617xs, DS3617xsII
16-Series: RS2416RP+, RS2416+, RS816, DS916+, DS716+II, DS716+, DS416, DS416play, DS416slim, DS416j, DS216+II, DS216+, DS216, DS216play, DS216j, DS216se, DS116, RS18016xs+
15-Series: RS815RP+, RS815+, RS815, DS2415+, DS1815+, DS1515+, DS1515, DS715, DS415+, DS415play, DS215+, DS215j, DS115, DS115j, RC18015xs+, DS3615xs, DS2015xs
14-Series: RS2414RP+, RS2414+, RS814RP+, RS814+, RS814, RS214, DS414, DS414slim, DS414j, DS214+, DS214, DS214play, DS214se, DS114, RS3614xs+, RS3614xs, RS3614RPxs
13-Series: DS2413+, DS1813+, DS1513+, DS713+, DS213j, RS3413xs+, RS10613xs+
DSM

USB devices (Wi-Fi dongle, Bluetooth dongle, 3G/4G dongle, USB DAC/speaker, and DTV dongle) are no longer supported. If your Synology NAS is currently connected via a wireless dongle, it will be disconnected after the update.
DSM 7.0.1 ends support for ext3. We strongly suggest backing up the data stored on your ext3 volumes and transferring the data to volumes with supported file systems before the update.
DSM 7.0.1 by default disables NTLMv1 and enables NTMLv2 only, so SMB clients (e.g., Windows XP devices, media players, network printers, smart TVs, and IP cameras) won’t be able to access your Synology NAS. To restore the connection after the update, go to Control Panel > File Services > SMB > Advanced Settings > Others and enable NTLMv1 authentication.
NFSv4.1 and related advanced functions (multipathing) are no longer supported on Synology NAS models with the following package architectures: Alpine, Alpine4k, armada38x, Avoton, Braswell, Bromolow, Cedarview, Grantley, Monaco. If you had previously enabled NFSv4 and NFSv4.1, the maximum NFS protocol is set to NFSv4 by default after the update. For more information about the package architecture of your model, please refer to this article.
Creating SSD caches on block-level LUNs is no longer supported. Existing SSD caches for block LUNs will function normally after the update.
NT4 domains are no longer supported. Current NT4 domains will be unavailable after the update.
The URLs used by DSM when updating or running services have been modified. Please read this article and make sure that your firewall rules are configured appropriately.
iSCSI Manager will become SAN Manager. Please refer to package release notes for more details.
When you reconnect to iSCSI targets from your VMware ESXi hosts after the DSM update, the datastores on the LUNs that are mapped to the targets may not be mounted properly. This only happens to LUNs created before the update. The resolution can be found in VMware Knowledge Base.
To provide comprehensive TLS support and ensure compatibility, the TLS/SSL profile level in Modern compatibility will automatically change to Intermediate Compatibility after the update.
EZ-Internet is merged with Router Configuration in Control Panel. To set up port forwarding, go to Control Panel > External Access > Router Configuration.
Python3 is merged into DSM as a built-in service. The original Python3 package will be unavailable in Package Center and you can remove it manually.
The following DDNS providers are removed from the service provider list at Control Panel > External Access > DDNS:
CloudNS, DNO-O-Matic, DNSEXIT, Dynamic DO!.jp, Joker.com, RU-CENTER, TwoDNS.de, Variomedia, Zoneedit.com
The updated QuickConnect connection is secured with an SSL certificate, and your QuickConnect domain will be passed to Let's Encrypt for certificate application purposes. Please refer to the Privacy Statement for more details.
Security Advisor by default enables Login Analysis and certain custom account detection check items after the update.
Video conversion to FLV and MPEG-4 Part 2 formats on the following models is no longer supported.
20-Series: DS120j
19-Series: DS119j
16-Series: DS216se
15-Series: DS215j, DS115, DS115j
14-Series: RS814, RS214, DS414, DS414slim, DS414j, DS214+, DS214, DS214se, DS114
13-Series: DS213j
Hybrid Share Service is built-in with DSM 7.0.1 and is currently in beta. It will be installed along with the update.
Packages

Synology Moments and Photo Station will be upgraded to and merged as Synology Photos. If you would like to use Synology Photos on your mobile devices, please install the iOS/Android app. See this page for more details.
Cloud Station Server and Cloud Station ShareSync will be upgraded to and merged with Synology Drive Server. If you are using any Cloud Station Suite applications (Cloud Station Server, Cloud Station Drive, Cloud Station Backup, Cloud Station ShareSync, or DS cloud), you must switch to their counterparts in the Synology Drive Suite to ensure compatibility. See this page for more details.
MariaDB 5 is incompatible with DSM 7.0.1. To update to DSM 7.0.1, please install MariaDB 10, migrate the database, and uninstall MariaDB 5 in Package Center first.
If you cannot find certain Synology approved third-party packages in Package Center, check this article for the latest status of the packages. For other third-party packages, please contact their developers for more information.
The following packages are no longer supported:
Cloud Station Server (replaced by Synology Drive Server), Cloud Station ShareSync (replaced by Synology Drive Server), Discourse, DokuWiki, Drupal, Drupal8, DVBLink, GitLab, GLPI, Hasplm, Java7, Java8, LimeSurvey, Logitech® Media Server, LXQt, Magento, Magento2, MantisBT, Moments (replaced by Synology Photos), Mono, Moodle, Node.js 0.10, Node.js 0.12, Node.js v4, Node.js v6, Node.js v8, Odoo 8, OpenERP 6.1, OpenERP 7.0, OrangeHRM, Orthanc, osCommerce, osTicket, PHP PEAR, Photo Station (replaced by Synology Photos), phpBB, Piwik, Podcast Generator, PrestaShop, PrestaShop1.7, PythonModule, Redmine, Ruby, Spree, SugarCRM, SVN, Synology File Manager, Tomcat6, Tomcat7, TVMosaic, Webalizer
After you update to Web Station 3.0.0-0308, a web_packages shared folder will be created by default to store files from installed third-party packages (e.g., phpMyAdmin).
What’s New
Supports migrating SA3200D system configurations when users perform HDD migration.
Added support for memory cache mirroring across controllers for better data consistency on SA3200D.
Added support for the "Sync remote mounted folders" option for Shared Folder Sync.
Supports creating volumes of up to 1 PB in Btrfs (Peta Volume) format on the XS/XS+, SA (SA3200D excluded), and FS-series models. (Learn more)
Added support for data deduplication on Btrfs volumes on certain models. (Learn more)
Supports notifying users when there is insufficient storage for metadata.
Fixed Issues
Fixed an issue where DSM might not automatically reconnect to a VPN after disconnection.
Fixed the sorting issue on the View Details page in Resource Monitor > Performance > Disks when a USB drive is connected.
Fixed an issue where the display in Volume Settings in Storage Manager was incorrect once users pinned the desktop widgets.
Fixed an issue where the throughput in Resource Monitor might not be displayed correctly when the system network traffic or the throughput of disks or volumes was heavy.
Fixed an issue where when users used third-party extensions to change the DSM theme, they couldn't customize the wallpaper.
Fixed an issue where when non-administrator users shared files with password-protected links, the file names were displayed incorrectly.
Fixed an issue where a healthy drive might be falsely detected as malfunctioning after it was swapped with a failed drive in the same storage pool when the system was shut down. The issue would cause the degraded storage pool to crash or become missing.
Fixed multiple security vulnerabilities. (Synology-SA-21:25)
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