What's Changed

Major improvements

Core & Rule Engine

• Isolated processing queues by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/8988
• Notifications via Microsoft Teams by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/8843
• Improve rollout restart behavior by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8775
• OAuth2 support for mail settings by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/8723
• Refactoring of filter and enrichment rule nodes to improve usability by @ShvaykaD and @dskarzh.

UI

• New widgets: "Value card", "Horizontal value card", "Value and chart card", "Entity count", "Alarm count" and "Battery level".
• Widget configuration improvement + basic widget configuration mode by @ikulikov in https://github.com/thingsboard/thingsboard/pull/8708
• Dashboard edit panel improvement by @ikulikov in https://github.com/thingsboard/thingsboard/pull/8547
• "Add device" dialog improvement by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/8882
• Check connectivity window by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/8938
• Gateways dashboard by @MrKartoshka in https://github.com/thingsboard/thingsboard/pull/8337
• Add support of many-to-many relations between widgets and widget bundles by @ikulikov in 875c8d526b, 1fb9ba622e.

Edge

• Introduce Event Pub/Sub Model for Detecting Changes in Entities by @AndriiLandiak in https://github.com/thingsboard/thingsboard/pull/9052

Minor improvements

Core & Rule Engine

• Alarm type auto-complete in the alarm filter by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8825
• API improvements for deleting time-series by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8928
• Sequential RPC strategies by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/9027
• User-level notification settings by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/8793
• Notifications about exceeded rate limits by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/8702
• Version control for notification settings by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/8533
• Audit logs for widgets bundle by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8429
• Ability to disable notification rules by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/8527
• Ability to disable SMS for tenant profile by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/8556
• Ability to disable swagger by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8575
• Added new default root cert for Azure IoT by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8724
• Filter and enrichment nodes usability improvements by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/9044
• Math node fields templatization by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/8725
• Added resourceType query param to /resources endpoint by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/8562
• Added cache for resources by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/8839
• Event table speedup (15min default time window) by @smatvienko-tb in https://github.com/thingsboard/thingsboard/pull/9056
• Validation of resource deletion by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/8898
• Replacement of object mapper usages with Jackson utils by @adovh in https://github.com/thingsboard/thingsboard/pull/8519
• InternalType field to TbMsg to have the ability to use switch-cases instead of if-return blocks. by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/9065

Transport

• Improvements to SNMP support by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/8757
• Improvements to RPC acknowledge logic by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/8663

UI

• Improve material icons selector by @ikulikov in d44f5fda5f, 7861a3fbad
• Units selection component by @ikulikov in 4827589c48
• Update descriptions for all widgets by @ashvayka
• Multiple attributes input widget improvement by @ikulikov in 244f8239ba
• Redesign user profile page by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/8911
• "Add asset" dialog improvement by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8931
• Added ability to test/edit rule node script with selected debug event by @rusikv in https://github.com/thingsboard/thingsboard/pull/8836
• Filter and enrichment rule nodes usability improvements by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/8880
• Added the option to edit notification templates in the template selector by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/8587
• Added columns visibility settings for time-series table widget by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8571
• Rule chain selector by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8638
• Improved cleared alarm notification style by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/8832
• Improved search component usability by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/9021
• Added ToggleHeaderComponent to the module map by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/8721
• Added "Enable selection mode" settings with touch event for bar/state/line chart-widgets by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/7793
• Added email input type by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9001
• Added public API for WebSocket services. by @LeoMorgan113 in https://github.com/thingsboard/thingsboard/pull/8959
• Added option collapse cell actions in mobile view for entities/time-series/alarm table by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8894
• Added double quotes to highlight 'remove other entities' confirm phrase in the version control dialog by @rusikv in https://github.com/thingsboard/thingsboard/pull/8997
• Added color data key type for multiple input widget by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9002
• Added dialog for creation of latest telemetry key value by @rusikv in https://github.com/thingsboard/thingsboard/pull/9003
• Added selection to alarms table for bulk acknowledgment and clearing by @rusikv in https://github.com/thingsboard/thingsboard/pull/9037
• Update locale.constant-zh_CN.json by @Fliner in https://github.com/thingsboard/thingsboard/pull/8846
• Show pointer on hover in the widget legend component by @deaflynx in https://github.com/thingsboard/thingsboard/pull/8961
• Show pointer on hover if the entities table row has click action by @deaflynx in https://github.com/thingsboard/thingsboard/pull/8960

Bug fixes

Core & Rule Engine

• Fixed models in the Swagger API by @imbeacon in https://github.com/thingsboard/thingsboard/pull/8706
• Fixed multiple issues in the notification system by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/8701
• Fixed RPC queue stuck issue by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/8713
• Fixed NPE in Flow output node when it was used after split array msg node by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/8731
• Fixed OAuth2 deletion domains/mobile applications/providers settings by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8740
• Fixed sequence of the rule chains initialization by @volodymyr-babak in https://github.com/thingsboard/thingsboard/pull/8808
• Fixed saveDeviceWithCredentials api by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8881
• Fixed device transport configuration with SNMP protocol enabled/disabled state by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8884
• Fixed list of required fields for entities by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/8917
• Fixed user phone display in entities table by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/8906
• Fixed multiple issues with Version Control integration by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/9089
• Fixed ID replacement during the restore of the dashboard configuration by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/9233
• Fixed device is not being set as inactive after an inactivity timeout passes by @dskarzh in https://github.com/thingsboard/thingsboard/pull/9155

UI

• Fixed math function rule node validation by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/8722
• Fixed loading widget data for 'previous quarter' and 'previous half year' time-window intervals by @ChantsovaEkaterina in https://github.com/thingsboard/thingsboard/pull/8834
• Fixed 'Notify again' dialog in notification center by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8784
• Fixed dashboard state selection in the toolbar on mobile view by @ChantsovaEkaterina in https://github.com/thingsboard/thingsboard/pull/8814
• Fixed display of analog gauge values by @deaflynx in https://github.com/thingsboard/thingsboard/pull/8826
• Fixed width of the clear alarm rule section by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8828
• Fixed layout for clear alarm rule by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9060
• Fixed analog gauge widget settings decimals set to zero by default by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9193
• Fixed custom translation in the notifications inbox by @rusikv in https://github.com/thingsboard/thingsboard/pull/8957
• Fixed multiple issues on the notification rules page by @rusikv in https://github.com/thingsboard/thingsboard/pull/8951
• Fixed update JSON attribute input widget by @rusikv in https://github.com/thingsboard/thingsboard/pull/8968
• Fixed z-index for selected rule node by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8821
• Fixed error text for the entity type selected by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/9173
• Fixed overlap of the rule node event table columns by @rusikv in https://github.com/thingsboard/thingsboard/pull/9122
• Fixed duplicate error message for missing translation by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9184
• Fixed pie flot settings validation by @rusikv in https://github.com/thingsboard/thingsboard/pull/9177
• Fixed layout of action cell buttons by @rusikv in https://github.com/thingsboard/thingsboard/pull/9121
• Fixed phone input flag layout by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9043
• Fixed source decorators by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/8879
• Fixed alarm filter panel by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8987
• Fixed entity select component for alias dialog component by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8965
• Fixed for 'remove other entities' popover in version control by @rusikv in https://github.com/thingsboard/thingsboard/pull/9126
• Fixed widgets table styles for correct applying row style function by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/8767
• Fixed infinite loading for latest widgets with aggregation on change time-window by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9068
• Fixed display of disabled form controls in rule nodes by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/9123
• Fixed layout of the GPIO panel widgets by @rusikv in https://github.com/thingsboard/thingsboard/pull/9143
• Fixed update user profile by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9057
• Fixed widget shacking by @iraznatovskyi in https://github.com/thingsboard/thingsboard/pull/9165
• Fixed pie flot widget slice click action by @rusikv in https://github.com/thingsboard/thingsboard/pull/9172
• Fixed widget import in the dashboard when the duplicate IDs by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/9186
• Fixed key filters layout by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9203
• Fixed OTA Update details page breadcrumb by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/9148

Transport

• Fixed CoAP over DTLS feature type handling for server-side RPC response by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/9073
• Fixed update inactivity timeout attribute by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8841

Edge

• Edge event table - added sequential ID column to handle properly heavy load and cluster cases by @volodymyr-babak in https://github.com/thingsboard/thingsboard/pull/8830

New Contributors

• @LeoMorgan113 made their first contribution in https://github.com/thingsboard/thingsboard/pull/8959
• @iraznatovskyi made their first contribution in https://github.com/thingsboard/thingsboard/pull/9165
• @SecureDong made their first contribution in https://github.com/thingsboard/thingsboard/pull/8953
• @dskarzh made their first contribution in https://github.com/thingsboard/thingsboard/pull/9155

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v3.5.1...v3.6