ThingsBoard v4.2.x Release Notes

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v4.2.2.6 (Sep 29, 2026)

What’s Changed

Security
- #16200 Fixed CVE-2026-17495, CVE-2026-84375, CVE-2026-85061, CVE-2026-87776, CVE-2026-90711 by @vvlladd28
- #16195 Fixed CVE-2026-63126, CVE-2026-68497, CVE-2026-75516, CVE-2026-87795, CVE-2026-87823, CVE-2026-87824, CVE-2026-87825, CVE-2026-87877, CVE-2026-90560, CVE-2026-90852 by @ViacheslavKlimov
Core & Rule Engine
- #15964 Fixed Nashorn Global PropertyMap leak on JS script release by @MazurenkoNick
UI
- #16138 Keep IoT Hub markdown table columns from overlapping by @pinkevmladchy
- #16139 Refresh the installed items count after an install, update or delete by @pinkevmladchy
- #16189 Added CARTO as a separate map provider with an optional API key by @mtsymbarov-del
Edge
- #16156 Do not clear edge activity state when session moved to another node by @volodymyr-babak

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.2.5…v4.2.2.6

v4.2.2.5 (Sep 14, 2026)

What’s Changed

Security
- #16122 Fixed CVE-2026-65182, CVE-2026-65905, CVE-2026-66257, CVE-2026-66273, CVE-2026-66274, CVE-2026-66275, CVE-2026-66276, CVE-2026-66277, CVE-2026-68525, CVE-2026-71290 by @ViacheslavKlimov
- #16125 Fixed CVE-2026-73088, CVE-2026-73089, CVE-2026-76172, CVE-2026-75931, CVE-2026-75975, CVE-2026-84375 and CVE-2026-75899 by @mtsymbarov-del
Edge
- #16044 Do not strand edge sync when an event fetcher fails by @AndriiLandiak

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.2.4…v4.2.2.5

v4.2.2.4 (Aug 27, 2026)

What’s Changed

Security
- #16046 Fixed CVE-2026-13149, CVE-2026-13311, CVE-2026-13676, CVE-2026-14257, CVE-2026-16221, CVE-2026-18446, CVE-2026-48815, CVE-2026-54466, CVE-2026-55388, CVE-2026-55603, CVE-2026-59869, CVE-2026-59873, CVE-2026-59874, CVE-2026-59879, CVE-2026-59880, CVE-2026-67213, CVE-2026-67214, CVE-2026-68945, CVE-2026-69151, CVE-2026-69152, CVE-2026-69192, CVE-2026-73646 and CWE-407 by @mtsymbarov-del
- #16039 Fixed CVE-2026-8763, CVE-2026-12185, CVE-2026-12802, CVE-2026-12803, CVE-2026-12816, CVE-2026-12860, CVE-2026-13006, CVE-2026-13506, CVE-2026-14682, CVE-2026-44891, CVE-2026-53434, CVE-2026-54291, CVE-2026-54399, CVE-2026-54428, CVE-2026-55831, CVE-2026-55833, CVE-2026-55851, CVE-2026-55955, CVE-2026-56745, CVE-2026-56817, CVE-2026-56819, CVE-2026-56820, CVE-2026-56821, CVE-2026-56822, CVE-2026-58059, CVE-2026-58060, CVE-2026-58061, CVE-2026-58062, CVE-2026-59639, CVE-2026-59642, CVE-2026-59645, CVE-2026-59650, CVE-2026-59651, CVE-2026-59889, CVE-2026-59901, CVE-2026-59920, CVE-2026-59949, CVE-2026-73507 by @ViacheslavKlimov
- #16057 Fixed CVE-2026-59902, CVE-2026-59903, CVE-2026-62243, CVE-2026-63337, CVE-2026-69219, CVE-2026-69220, CVE-2026-75595 by @ViacheslavKlimov
UI
- #15847 Fixed chart axis ticks font size by @LeoMorgan113
- #15893 Fixed validation for Digital Gauge widget maxValue when it is zero by @mtsymbarov-del
- #15945 Updated functionality block at System Administrator level by @mtsymbarov-del

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.2.3…v4.2.2.4

v4.2.2.3 (Jul 1, 2026)

What’s Changed

Security
- #15721 Fixed CVE-2026-44705 and CVE-2026-46625 by @mtsymbarov-del
- #15757 Fixed CVE-2026-45799 by @ViacheslavKlimov
- #15795 Fixed CVE-2026-44249, CVE-2026-44250, CVE-2026-44890, CVE-2026-44893, CVE-2026-45292, CVE-2026-45416, CVE-2026-45674, CVE-2026-46340, CVE-2026-47691, CVE-2026-48006, CVE-2026-48059, CVE-2026-50010, CVE-2026-50011 by @ViacheslavKlimov
- #15799 Fixed CVE-2026-44705, CVE-2026-50171, CVE-2026-50170, CVE-2026-54267, CVE-2026-54266, CVE-2026-54290, CVE-2026-48779, CVE-2026-54268, CWE-426, CWE-494, CVE-2026-53571, CVE-2026-12143, CVE-2026-9277 by @mtsymbarov-del
Core & Rule Engine
- #15193 Integration with IoT Hub by @ikulikov
- #15728 AI models: structured output support for more providers; fix Vertex AI location routing by @dskarzh
- #15620 Prevented integer overflow in calculated field SUM output by @volodymyr-babak
- #15666 Fixed queue prefix not applied in some cases causing orphaned topics by @AndriiLandiak
- #15662 Fixed RPC call request rule node returning null body by @dashevchenko
- #15715 Fixed permission check on alarm comment edit by @dashevchenko
- #15550 Hardened device credentials validation by @dashevchenko
- #15744 Fixed transport tenant-profile lock convoy under cold-cache reconnect storm by @ViacheslavKlimov
UI
- #15767 Added help pages for html container by @pinkevmladchy
- #15711 Fixed Switch Control widget hanging on one-way persistent RPC by @mtsymbarov-del
- #15710 Fixed no widgets shown in mobile view after state transition from divided layout by @mtsymbarov-del
- #15701 Fixed change Password button stays disabled when form is filled programmatically by @mtsymbarov-del
- #15803 Fixed Advanced Widget Style Editor rendering by @mtsymbarov-del
- #15800 Fixed dashboard logo stretch at full width by @mtsymbarov-del
- #15640 Added handler for WebGL unavailability in map widget by @mtsymbarov-del
Edge
- #15756 Fixed edge event loss for kafka edges during sync by @AndriiLandiak

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.2.2…v4.2.2.3

v4.2.2.2 (May 28, 2026)

What’s Changed

Security
- #15368 Fixed CWE-770 in Jackson Core by @zzzeebra
- #15417 Fixed CVE-2026-34487, CVE-2026-34486, CVE-2026-34483 by @zzzeebra
- #15377 Fixed CVE-2025-70340: system alarm comments access control by @dashevchenko
- #15466 Fixed multiple CVEs: 2026-39364, 2026-39363, 2026-4800 by @vvlladd28
- #15538 Fixed CVE-2026-40895 by @mtsymbarov-del
- #15458 Fixed CVE-2026-5588, CVE-2026-5598, CVE-2025-14813, CVE-2026-35554, CVE-2026-27314 by @zzzeebra
- #15557 Fixed CVE-2026-40975, CVE-2026-40973, CVE-2026-22740, CVE-2026-42198 by @zzzeebra
- #15412 Fixed SSRF vulnerability in AI model provider URLs by @zzzeebra
- #15585 Fixed SSRF and file access vulnerabilities in TBEL script sandbox by @zzzeebra
- #15588 Fixed CVE-2026-40682, CVE-2026-42027 by @zzzeebra
- #15598 Fixed CVE-2026-42579, CVE-2026-42583, CVE-2026-42584, CVE-2026-42587 by @ViacheslavKlimov
- #15600 Hardened remote JS executor script invocation by @smatvienko-tb
- #15649 Fixed CVE-2026-41284, CVE-2026-43512 by @ViacheslavKlimov
Core & Rule Engine
- #15333 Performance and reliability improvements for Efento message processing by @dashevchenko
- #15520 Exposed HTTP response compression configuration params by @dashevchenko
- #15565 LZ4 compression support for Kafka by @volodymyr-babak
- #15313 Fixed WS sessions limit handling for public users by @dashevchenko
- #15334 Fixed REST API Call node blocking actor thread and semaphore permit leak by @smatvienko-tb
- #15457 Fixed entity filtering by boolean data key for EDQS by @dashevchenko
- #15560 Fixed MAX aggregation for mixed double and long telemetry values by @dashevchenko
- #15425 Added config property to control null ordering in dashboards by @dashevchenko
UI
- #15330 Bumped Node.js version from 22.18.0 to 22.22.2 by @ViacheslavKlimov
- #15556 HTML container widget by @ikulikov
- #15362 Hidden “Add Telemetry” button for Entity view by @mtsymbarov-del
- #15373 Added ‘@angular/core/rxjs-interop’ to modules map by @vvlladd28
- #15399 Fixed select options being clipped in widget settings form by @vvlladd28
- #15408 Fixed display long texts in Alarm assignee panel by @mtsymbarov-del
- #15423 Fixed Alarm Assignee icon placement by @mtsymbarov-del
- #15427 Adjusted size of entity type select to fit error message by @mtsymbarov-del
- #15430 Fixed show/hide of custom header actions when using function to control visibility by @mtsymbarov-del
- #15433 Fixed not set pageSize to child nodes in Entities hierarchy widget by @mtsymbarov-del
- #15434 Fixed aggregation keys not being processed in Entities hierarchy widget by @mtsymbarov-del
- #15531 Fixed map shape labels drifting from center after viewport resize by @mtsymbarov-del
- #15581 Fixed CSV import not unescaping double quotes in unquoted fields by @ChantsovaEkaterina
Transport
- #15301 Added automatic SSL/TLS certificate reload for transports without service restart by @AndriiLandiak
- #15451 Fixed app hanging on MQTT port conflict at startup by @zzzeebra
- #15346 SNMP: defer querying tasks until transport session is registered by @volodymyr-babak

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.2.1…v4.2.2.2

v4.2.2.1 (Mar 31, 2026)

What’s Changed

Security
- #15204 Fixed XSS vulnerability in notification center by @vvlladd28
- #15244 Fixed CVE-2026-24308, CVE-2026-24281 and CVE-2026-24400 by @ViacheslavKlimov
- #15254 Added configurable security headers and env-var-backed CORS configuration by @ViacheslavKlimov
- #15253 Fixed SSRF DNS rebinding bypass, added allow-list by @ViacheslavKlimov
- #15251 Fixed CVE-2026-24281, CVE-2026-24308, CVE-2026-24400, CVE-2026-29063, CVE-2026-29087, CVE-2026-29786, CVE-2026-30827, CVE-2026-31802, CVE-2026-32141, CVE-2026-32635, CVE-2026-27904 by @vvlladd28
- #15278 Fixed CVE-2026-22731, CVE-2026-22732, CVE-2026-22733, CVE-2026-22737 + Spring Boot 3.5 by @ViacheslavKlimov
- #15293 Fixed CVE-2026-33228 by @vvlladd28
- #15315 Fixed CVE-2026-33870, CVE-2026-33871 and GHSA-72hv-8253-57qq by @ViacheslavKlimov
- #15322 Fixed CVE-2026-33895, CVE-2026-33894, CVE-2026-33896, CVE-2026-33750, CVE-2026-4923, CVE-2026-33671 by @vvlladd28
Core & Rule Engine
- #15262 Sanitize database error messages by @ViacheslavKlimov
- #14775 Added OTA package data cleanup by @AndriiLandiak
- #14762 Fixed notification requests and RPC cleanup timeout on large datasets by @AndriiLandiak
- #14781 Added WS update on telemetry deletion by @dashevchenko
UI
- #15237 Updated locales da_DK, de_DE, el_GR, es_ES, fr_FR, it_IT, ja_JP, nl_NL, no_NO, pt_BR, tr_TR, uk_UA, zh_CN by @vvlladd28
- #15203 Hidden “Show on widgets” button on sysadmin level by @vvlladd28
- #15219 Fixed WS reconnect loop and notification spam when session limit is reached by @vvlladd28
- #15168 Fixed resetting of validation on storeLink property by @mtsymbarov-del
- #15292 Fixed proxy error handling for 502/503/504 HTTP status codes by @vvlladd28
- #15273 Fixed string-items-list autocomplete selection and blur handling by @vvlladd28
Edge
- #15205 Support combined PEM cert+key for Edge gRPC SSL by @smatvienko-tb
Transport
- #15143 Fixed LwM2M Redis stores startup: use separate connections for SCAN and GET by @smatvienko-tb

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.2…v4.2.2.1

v4.2.2 (Mar 10, 2026)

What’s Changed

Security
- #15076 Fixed CVE-2026-24734 and CVE-2025-66614 by @ViacheslavKlimov
- #15079 Fixed CVE-2025-7783, CVE-2026-26996 and CVE-2026-26960 by @vvlladd28
- #15109 Fixed CVE-2026-27903 and CVE-2026-27904 by @vvlladd28
- #15123 Added SSRF protection (must be enabled with SSRF_PROTECTION_ENABLED env) by @ViacheslavKlimov
- #15124 Fixed CWE-770 in Jackson Core (GHSA-72hv-8253-57qq) by @ViacheslavKlimov
- #15128 Fixed CVE-2026-27970 and CVE-2026-2391 by @vvlladd28
- Fixed CVE-2026-2781 and CVE-2026-25646 for Docker images by @ViacheslavKlimov and @smatvienko-tb
Major UI
- #14935 Angular 20 migration by @ikulikov
Core & Rule Engine
- #15058 Added Cassandra result set byte-size limit by @ViacheslavKlimov
- #15078 Fixed TBEL script execution failures on repeated runs by @ViacheslavKlimov
- #15101 Fixed blocking JPA queries on access-validator single thread by @dskarzh
- #15100 Fixed preservation of rule node execution counter in delay and deduplication nodes by @dskarzh
- #15120 Improved Apple OAuth2 mapper and refactored OAuth2 client validation by @ViacheslavKlimov
- #15102 Fixed infinite loop when rule chain input node forwards to its own rule chain by @smatvienko-tb
- #15116 Made max WS message size configurable by @DmytroKhylko
UI
- #15130 Extend modules map: moment-timezone, canvas-gauges and ngx-hm-carousel added by @ChantsovaEkaterina
- #14985 Fixed Redirect Url encoding by @mtsymbarov-del
- #14978 Fixed Popover placement for Marker, Polygon and Circle overlay config by @mtsymbarov-del
- #15018 Fixed adaptive in mail server configuration by @vvlladd28
- #15071 Fixed a race condition causing the toast component by @mtsymbarov-del
- #15097 Fixed a race condition when init image map by @mtsymbarov-del
- #15142 Removed pattern validation from name field on CF by @mtsymbarov-del
Transport
- #14760 Fixed Sparkplug BIRTH message validation for metrics with empty string values by @nickAS21
Edge
- #15050 Event-sourced propagation for admin settings by @volodymyr-babak

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.1.2…v4.2.2

v4.2.1.2 (Feb 3, 2026)

What’s Changed

Security
- Fixed CVE-2025-68973, CVE-2025-6020, CVE-2025-13601, CVE-2025-69420, CVE-2026-21945, CVE-2025-69419 and CVE-2026-21932 for Docker images by @ViacheslavKlimov and @smatvienko-tb
- #14865 Fixed CVE-2026-22610 by @vvlladd28
- #14729 Fixed CVE-2025-15284 by @vvlladd28
Core & Rule Engine
- #14743 Added Redis ACL (username) authentication support by @AndriiLandiak
- #14728 Fixed invalid finish ts for jobs with zero tasks in task manager by @ViacheslavKlimov
- #14564 Fixed entity data query for sysadmin by @dashevchenko
- #14631 Fixed partition cleanup for non-public PostgreSQL schemas by @AndriiLandiak
- #14792 Fixed SMS usage state when disabled in tenant profile by @dashevchenko
- #14751 Fixed unnecessary database updates for disabled users during failed login by @AndriiLandiak
Transport
- #14645 Fixed NPE for LwM2M client context after reboot by @nickAS21
- #14748 Fixed CoAP Unicast/Multicast MID Conflict and Silent ACK Rejection by @nickAS21
UI
- #14614 Fixed LwM2M bootstrap toggle not persisting “Add Bootstrap config” button state by @mtsymbarov-del
- #14746 Fixed map action panel hide when switching to another data layer by @vvlladd28
- #14804 Fixed opening tenant profile autocomplete when “Create new” button is clicked by @mtsymbarov-del
- #14802 Fixed country autocomplete autofill and improved validation by @vvlladd28
- #14903 Fixed missing ‘%’ character in alias help text by @mtsymbarov-del
- #14895 Fixed padding in Range Chart and Bar Chart with label widgets when overlay enabled by @mtsymbarov-del
- #14922 Fixed errors when public user views alarm comments by @mtsymbarov-del

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.1.1…v4.2.1.2

v4.2.1.1 (Dec 24, 2025)

Patch release with the following bug fixes:

What’s Changed

Core & Rule Engine
- #14211 Fixed redundant credentials update event and device reconnect on bulk import by @AndriiLandiak
- #14235 Added validation that prohibits last tenant admin deletion by @dashevchenko
- #14062 Fixed check of pre-provisioned devices by @dashevchenko
- #14179 Fixed firmware update when the OTA package has a URL instead of a file by @dashevchenko
- #14209 Fixed error when using resources and templatization with GitHub Models AI provider by @dashevchenko
- #14245 Fixed some tenant admins not displayed in related group with EDQS by @dashevchenko
- #14457 Fixed XSS vulnerability for some entities by @dashevchenko
- #14487 Fixed invalid alarm status subscription updates by @dashevchenko
- #13836 Fixed NPE when evaluating dynamic duration rules in device profile node by @dskarzh
- #14244 Improved support of customer-owned entities in customer attributes and change originator rule nodes by @dskarzh
- #14467 Updated AI models autocomplete options by @dskarzh
- #14195 Fixed incorrect CF calculation when same key is used across multiple arguments by @irynamatveieva
- #14526 Fixed timestamp handling for calculated field arguments with missing telemetry by @irynamatveieva
- #14623 Fixed processing of telemetry batch in calculated fields by @irynamatveieva
- #14499 Fixed last update ts handling for CF arguments by @ShvaykaD
- #14536 Fixed key dictionary race condition causing Hibernate to cache zero keyId in cluster mode by @ShvaykaD
- #14264 Improve task cancellation handling in task manager by @ViacheslavKlimov
- #14479 Fixed vulnerabilities by @ViacheslavKlimov
- #14572 Fixed and improved CF states restore by @ViacheslavKlimov
- #14587 Fixed Kafka topics cache by @ViacheslavKlimov
Transports
- #14327 Fixed occasional application startup failure due to SNMP transport init by @artem-barysh-dev
- #14407 Added ACK when Gateway connect goes wrong by @artem-barysh-dev
- #14241 Fixed firmware update by URL for LwM2M by @nickAS21
- #14294 Fixed observe after reboot without unregistration for LwM2M by @nickAS21
- #14403 Fixed NPE after reboot if sleep for LwM2M by @nickAS21
- #14624 Fixed tb-node startup when MQTT SSL enabled but MQTT transport disabled by @smatvienko-tb
Edge
- #14461 Fixed customer unassignments in the dashboard during edge event processing by @MazurenkoNick
- #14613 Fixed events from different edges being mixed together in one queue by @MazurenkoNick
- #14425 Fixed dead Kafka consumer groups causing Edge sync failures by @volodymyr-babak
- #14616 Fixed infinite loop on Edge Kafka consumer commit failure by @volodymyr-babak
UI
- #14481 Fixed check connectivity request for AI models by @ArtemDzhereleiko
- #14396 Fixed TinyMCE out-positioned image source by @deaflynx
- #14377 Fixed JS module file encoding to include handling of special symbols by @DmytroKhylko
- #14134 Fixed filtering entity and alarm tables by @LeoMorgan113
- #14022 Fixed validation for “Email” fields by @mtsymbarov-del
- #14048 Added ability to access logout button when hide toolbar option is enabled on dashboard by @mtsymbarov-del
- #14085 Fixed dialogs adjusting to the screen resolution by @mtsymbarov-del
- #14091 Added support for custom translations in LED Indicator widget title by @mtsymbarov-del
- #14092 Fixed i18n custom translation in Attributes Card widget in data post-processing function by @mtsymbarov-del
- #14140 Fixed widget entity alias empty entity list field by @mtsymbarov-del
- #14143 Added alarm type list key translations by @mtsymbarov-del
- #14151 Added support for custom translations in the dashboard user filters dialog by @mtsymbarov-del
- #14185 Added draggable overlay option on map widget settings by @mtsymbarov-del
- #14248 Fixed misspelling in Entity views Time series data section by @mtsymbarov-del
- #14261 Fixed subscriptSizing of phone input by @mtsymbarov-del
- #14296 Fixed typo in get queue statistics request method by @mtsymbarov-del
- #14297 Fixed deleted user IDs remaining in Notification recipient user list by @mtsymbarov-del
- #14298 Fixed parse function calling for control widgets by @mtsymbarov-del
- #14569 Fixed profile saves triggers the saved configuration without changes by @mtsymbarov-del
- #14615 Fixed mutation in mergeDeepIgnoreArray function by @mtsymbarov-del
- #14392 Fixed incorrect error height of timeout message by @vvlladd28
- #14243 Updated Lietuvių (Lithuanian) translation by @vvlladd28
- #14254 Added show GitHub button to main toolbar by @vvlladd28
- #14443 Fixed show duration in alarm details dialog by @vvlladd28
- #14480 Fixed vulnerabilities by @vvlladd28
- #14574 Updated translations by @vvlladd28

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2.1…v4.2.1.1

v4.2.1 (Oct 15, 2025)

Minor release with the following bug fixes and improvements:

What’s Changed

Core & Rule Engine
- #14068 AI Request Node: ability to attach files by @dashevchenko
- #14014 AI models: support for local AI models via Ollama by @dskarzh
- #14076 AI models: ability to change base URL to OpenAI by @dskarzh
- #14131 Fixed vulnerabilities by @ViacheslavKlimov
UI
- #14072 Added ‘General’ resource type and entity list for AI rule node by @ArtemDzhereleiko
- #14066 Added support for UTF-8 symbols in export file name by @vvlladd28
- #13373 Added tooltip settings option to also show total value in stacked timeseries charts by @pgrisu
- #13350 Latest chart widgets: added setting to show total value in legend by @pgrisu
- #14083 Markdown widget: hide unused data settings block in configuration by @vvlladd28
Bug Fixes
- #14037 Fixed API usage cycle reset by @dashevchenko
- #13941 Fixed occasional duplicated CF evaluations after TB restart by @irynamatveieva
- #14046 Fixed missing entity values in exported alarm data widget by @dashevchenko
- #14081 Fixed hidden options displaying when switching between Realtime and History in Timewindow by @ChantsovaEkaterina
- #13952 Fixed AI models help link by @ArtemDzhereleiko
- #13898 Fixed response format issue for AI rule node by @ArtemDzhereleiko
- #14027 Fixed XSS vulnerabilities in the Rule node by @mtsymbarov-del
- #13948 Fixed user name field retrieval in EDQS by @dashevchenko
- #14070 Fixed PUBACK not sent if publishing failed or duplicated if message contains multiple devices by @dashevchenko

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.2…v4.2.1

v4.2.0 (Aug 15, 2025)

Major Improvements

Core & Rule Engine
- #13371 🧠 Added AI request rule node by @dskarzh and @ArtemDzhereleiko
- #13556 📊 Added entity and key filters support for alarm count query by @dashevchenko
- #13747 🔒 Updated libraries to fix critical and major vulnerabilities by @ViacheslavKlimov

Minor Improvements

Core & Rule Engine
- #13741 Improved Create Alarm rule node to process message asynchronously by @dskarzh
- #13607 Improved EDQS with ability to reply with error details by @AndriiLandiak
- #13827 Optimized Redis pool latency by reducing excessive pings by @pon0marev
- #13562 Added Version Control support for OTA packages by @AndriiLandiak
- #13692 Made script compilation errors unrecoverable during rule node initialization by @dskarzh
UI
- #13745 Added help links for rule engine action nodes by @vvlladd28
- #13795 Added missing services and models to public-api by @ChantsovaEkaterina
- #13679 Improved mobile app configuration dialog: replace manual setup with JSON config file by @vvlladd28
- #13778 Improved UX for Disable on property selection in dynamic forms settings by @vvlladd28
- #13670 Improved help-popup container style by @vvlladd28
- #13680 Improved Mobile center Applications form label by @deaflynx
- #13783 Improved Notification Template Autocomplete: Fixed editing issues and added “Create new” option by @ArtemDzhereleiko
- #13813 Refactored dashboard state management by @vvlladd28
Transport
- #13701 Implemented MQTT client ID length validation based on protocol version by @AndriiLandiak
- #12502 Implemented support of Sparkplug version 3.0 by @nickAS21
Edge
- #13651 Added per-edge statistics by @jekka001

Bug fixes

Core & Rule Engine
- #13763 Fixed alarms cleanup when originator (other than device or asset) is deleted by @AndriiLandiak
- #13788 Fixed EDQS queries for tenant’s telemetry saved by sysadmin by @dashevchenko
- #13751 Fixed EDQS entity field filter for numeric values saved as string by @dashevchenko
- #13799 Fixed topics creation for isolated tenants by @ViacheslavKlimov
- #13868 Fixed CF arguments casting Long to Integer to avoid truncation by @irynamatveieva
- #13669 Fixed no type-cast for attributes when adding from UI by @ViacheslavKlimov
- #13777 Fixed handling of RPC with missing additional info in cluster mode by @ShvaykaD
UI
- #13804 Fixed alias relations query bug preventing ‘Not’ filter from being edited after creation by @vvlladd28
- #13746 Fixed CVE-2025-7783 vulnerability by @vvlladd28
- #13772 Fixed calculated field argument settings popover position on argument type change by @vvlladd28
- #13727 Fixed Math Function node showing 0 in the “Argument default value” field by @vvlladd28
- #13725 Fixed minor bug in mobile center by @vvlladd28
- #13748 Fixed race condition in EntitiesDataSource loadEntities by cancelling previous requests by @vvlladd28
- #13770 Fixed incorrect card padding for title in single switch widget by @vvlladd28
- #13771 Fixed error message in Alarm widget preview when opening Assign field dropdown by @vvlladd28
- #13758 Fixed OAuth2 redirect URI field appearing enabled in view mode by @vvlladd28
- #13761 Fixed Trendz settings not updating without page refresh by @yuliaklochai
- #13720 Fixed incorrect ObjectId version resolution in LwM2M telemetry send without observe by @nickAS21
- #13681 Fixed scrolling for long file name OTA updates package form by @deaflynx
- #13682 Fixed rewriting of dashboard duplicate state with same ID by @deaflynx
- #13635 Fixed Version Control result popover with long error message by @ArtemDzhereleiko
- #13663 Fixed style for custom action editor by @LeoMorgan113
- #13782 Fixed incorrect font rendering in SCADA symbols preview by @ArtemDzhereleiko
- #13780 Fixed line width for cross connector HP SCADA symbol by @ArtemDzhereleiko
- #13797 Fixed API usage state display value and added ellipsis to entity list and subtype list chip by @ArtemDzhereleiko
- #13798 Fixed widget preview height in widget type autocomplete by @ChantsovaEkaterina
- #13598 Fixed material autocomplete hasBackdrop by @ArtemDzhereleiko
Transport
- #13754 Fixed MQTT client disconnect by @artem-barysh-dev
- #13689 Fixed consuming wrong rate limit for devices connected via gateway by @imbeacon

New Contributors

#13722 @Yatharth0045 made their first contribution

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v4.1…v4.2

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