What's Changed

Major improvements

Core & Rule Engine

• Migration to Java 17 by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8460
• Optimize attributes storage structure by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/9850
• Housekeeping service by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/10201
• Consumer per partition for Core queue by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/10395

UI

• Implemented comparison support for new time series charts by @ikulikov in https://github.com/thingsboard/thingsboard/pull/10562
• State chart widget by @ikulikov in https://github.com/thingsboard/thingsboard/pull/10535
• Status widget by @ikulikov in https://github.com/thingsboard/thingsboard/pull/10611
• Pie chart widget by @ikulikov in https://github.com/thingsboard/thingsboard/pull/10622
• Bars and Polar area widgets by @ikulikov in https://github.com/thingsboard/thingsboard/pull/10643
• Radar chart widget by @ikulikov in https://github.com/thingsboard/thingsboard/pull/10678
• Bar and Range Charts widget improvements by @ikulikov in https://github.com/thingsboard/thingsboard/pull/10473
• QR-code widget to automatically log in via mobile app by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10591
• Redesign Color Picker by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10290
• Added "Cell click" action type for table widgets by @devaskim and @rusikv in https://github.com/thingsboard/thingsboard/pull/10600

Minor improvements

Core & Rule Engine

• Individual Kafka consumer groups for Rule Engine topics by @smatvienko-tb in https://github.com/thingsboard/thingsboard/pull/10728
• Optimize startup performance by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/10813
• Upgrade to Spring Boot 3.1 by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/8709
• Migrating to SpringDoc OpenAPI 3.1.0 by @ikulikov in https://github.com/thingsboard/thingsboard/pull/10443
• Switch to JSON serialization for Redis Cache and optimize top entities by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/9851
• Added SSL support for Redis by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/9225
• Added "NOT" option in relation queries by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/9830
• Added global queue prefix for PubSub queue factory by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10417
• Default sorting of entities by ID by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10453
• Enhance Version Control restore performance with optional rollback on an error by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/10377
• Separate entity to store rule engine queue statistics by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10145
• HAProxy rate and connection limits with Allowlist and Blocklist by @smatvienko-tb in https://github.com/thingsboard/thingsboard/pull/9930
• Entity data query improvement by @AndriiLandiak in https://github.com/thingsboard/thingsboard/pull/10386
• Ability to send string without quotes in MQTT node by @irynamatveieva in https://github.com/thingsboard/thingsboard/pull/10349
• Added property to ignore delta in output messages if it is zero by @irynamatveieva in https://github.com/thingsboard/thingsboard/pull/10300
• Caching of entities in the rule nodes by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/10527
• Improve last IN event detection in debug messages by @irynamatveieva in https://github.com/thingsboard/thingsboard/pull/10355
• Make CalculateDeltaNode non-blocking for the find latest telemetry by @ShvaykaD in https://github.com/thingsboard/thingsboard/pull/10483
• Support of "Owner Name" and "Owner Type" in EntityDataQuery by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10454
• Enhanced asset search query with "label", "type", and customer "title" by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10665
• Enhanced audit logging for user activation: capture first login from activation link/email by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/10732
• Implement SSL Support for Kafka queue connection in JS Executor by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/10806
• Added rate limits for the Gateway API by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/10824

Transport

• Migration to Californium 3.11.0 and Leshan 2.0.0-M14 by @nickAS21 in multiple PRs
• Enable DTLS Connection ID Length Configuration by @nickAS21 in https://github.com/thingsboard/thingsboard/pull/10167
• Default Object Version attribute by @nickAS21 in https://github.com/thingsboard/thingsboard/pull/10716
• Ensure block number transmission in non-transparent block mode by @ashvayka in https://github.com/thingsboard/thingsboard/pull/10703

Edge

• Add support for notification center by @AndriiLandiak in https://github.com/thingsboard/thingsboard/pull/10548
• Sync up OAuth2 configuration by @AndriiLandiak in https://github.com/thingsboard/thingsboard/pull/10239
• YAML configuration for telemetry message size limit with Edge Notification by @AndriiLandiak in https://github.com/thingsboard/thingsboard/pull/10471

UI

• Added UI form to edit Gateway's MQTT connector configuration. by @Dmitriymush in https://github.com/thingsboard/thingsboard/pull/10482
• Added option to show right layout first in mobile dashboard view by @rusikv in https://github.com/thingsboard/thingsboard/pull/9624
• Ability to use Unicode symbols in chart legend by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/10308
• Removed the "Supports composite Read/Write/Observe operations" toggle by @rusikv in https://github.com/thingsboard/thingsboard/pull/10610
• Enable 'Include bundle widgets' checkbox by default by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/10796
• Added pattern support for widget title in export filenames by @rusikv in https://github.com/thingsboard/thingsboard/pull/10500
• Added hint "Comparison works only with historical data" by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10756
• Add 'Not' option for Relations Query by @rusikv in https://github.com/thingsboard/thingsboard/pull/10306
• Added Digital Gauge advanced color settings by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10557
• Added "docPlatformPrefix" to URLs by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/10816
• Adding card-padding setting by @d2eight in https://github.com/thingsboard/thingsboard/pull/10572
• Updated widget template for new timeseries widget creation by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/10944
• Relation filter enhancement by @rusikv in https://github.com/thingsboard/thingsboard/pull/10959
• Added Arabic Language by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10269
• Added Lithuanian language by @kalutkaz in https://github.com/thingsboard/thingsboard/pull/10795
• Updated Polish language by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10430
• Standardize 'Time Series' Terminology in English (en_US) by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10863

Bug fixes

Core & Rule Engine

• Fixed ability to edit widgets while in search mode by @rusikv in https://github.com/thingsboard/thingsboard/pull/10418
• Fixed threshold settings styles by @rusikv in https://github.com/thingsboard/thingsboard/pull/10489
• Fixed realtime query results for "Current day" by @cogic in https://github.com/thingsboard/thingsboard/pull/10748
• Fixed KvProtoUtils order for matching KeyValueType and DataType by @AndriiLandiak in https://github.com/thingsboard/thingsboard/pull/10416
• Fixed device activity for devices connected through the Gateway by @imbeacon in https://github.com/thingsboard/thingsboard/pull/10497
• Fixed mobile notifications by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/10679
• Resolve default entity on version load in VC by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/10688

UI

• Fixed typo in German locale file by @Backdraft007 in https://github.com/thingsboard/thingsboard/pull/10846
• Fixed wrong notification when creating new connector by @iraznatovskyi in https://github.com/thingsboard/thingsboard/pull/10295
• Fixed "getLwm2mObjects' URL Error by @nickAS21 in https://github.com/thingsboard/thingsboard/pull/10599
• Fixed table selection and text search preventing widget editing by @rusikv in https://github.com/thingsboard/thingsboard/pull/9576
• Fixed boolean key filter issue, added clear value feature by @rusikv in https://github.com/thingsboard/thingsboard/pull/10348
• Fixed displaying translated text with translation keys on Alarms page by @d2eight in https://github.com/thingsboard/thingsboard/pull/10579
• Fixed Incorrect HTML Tag causing issues for neighboring widget by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/10740
• Fixed not updating aggregation values with the latest data in entities table by @rusikv in https://github.com/thingsboard/thingsboard/pull/10528
• Fixed search field hotkey on rule chain page by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10855
• Fixed popover close button hidden under dashboard toolbar by @rusikv in https://github.com/thingsboard/thingsboard/pull/10893
• Fixed color picker centering for dialogs by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10894
• Fixed visible elements behind widget preview by @rusikv in https://github.com/thingsboard/thingsboard/pull/10905
• Fix long filename layout issue by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10904
• Fixed colors for neon gauge by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10955
• Fixed notification again not apply new params by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/10976

New Contributors

• @arminfelder made their first contribution in https://github.com/thingsboard/thingsboard/pull/10194
• @d2eight made their first contribution in https://github.com/thingsboard/thingsboard/pull/10559
• @AlexDoanTB made their first contribution in https://github.com/thingsboard/thingsboard/pull/10710
• @cogic made their first contribution in https://github.com/thingsboard/thingsboard/pull/10748

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v3.6.4...v3.7