Major release which contains 2126 commits and 1668 changed files.

Major Improvements:

• Core:

  • Interface to provision and communicate with ThingsBoard Edge;
  • Firmware and Software over-the-air updates (FOTA & SOTA);
  • Persistent RPC calls;
  • API limits for number of created alarms;
  • Alarm removal by TTL;
  • Add Apple OAuth2 provider;

• Rule Engine:

  • Non-blocking subscribe method to prevent locks on repartition event;
  • Significant performance improvement of remote js-executor;
  • Per-customer and system level api usage stats;

• Transports:

  • LwM2M transport implementation;
  • SNMP transport implementation;
  • CoAP DTLS support;
  • PSM and eDRX support for CoAP and LwM2M transports;
  • Support of FOTA and SOTA updates for MQTT, HTTP, CoAP and LwM2M transports;
  • Ability to launch MQTT and MQTTS simultaneously in one transport instance;
  • Explicit fields presence support for protobuf payloads;
  • Content format support for CoAP resources;

• UI:

  • Ability to manage resource library;
  • Ability to manage OTA packages;
  • Ability to manage Edge instances;
  • Event filters for Debug, Error, Stats and other event types;
  • FOTA dashboard;
  • Update to Angular 11;
  • Performance improvement: switched change detection strategy to OnPush;
  • Performance improvement: moved widget header to widget container;
  • QR Code widget

• Mobile App support:

  • Support of mobile widget actions: Scan QR code, take picture/photo, open map directions, etc;
  • Support for dashboards in the mobile app;
  • Ability to hide dashboard toolbar settings. Improve dashboard setting dialog. Handle dashboard right layout toggle in the mobile app;
  • Ability to configure icons for dashboard and device profile entities.
  • Ability to specify the mobile dashboard as an alarm details view for mobile application;
  • Ability to control visibility and order of dashboards in the mobile application.
  • Ability to hide widgets in the mobile mode.

Minor Improvements:

• Core:

  • Performance improvement and bug fix in the device state service which impacts active/inactive device events calculation;
  • Performance improvement for tenant state load;
  • Performance improvement for the attributes cache;
  • Performance improvement for querying events and cleanup of events;
  • Performance improvement and memory management for DeviceActorMessageProcessor;
  • Create assign/unassign device event when claiming/reclaiming device;
  • Additional validation for entities to protect from XSS;
  • Refactor predicate queries building;
  • Ignore empty search conditions for filters;
  • Ignore default value for filters with constant key type;
  • Make alarm condition serializable;
  • Ability to define consumer properties per topic;
  • Improvement thread pool naming;
  • New alarms API: getAllAlarms and getCustomerAlarms;
  • "alarmConditionRepeats" and "alarmConditionDuration" metadata fields of alarms generated via alarm rules;
  • Reset of JWT tokens when user changes password;
  • Sync kafka commit to improve performance;
  • Statistics collection using Prometheus;
  • Method to find dashboard by name and tenant ID;
  • Kafka client version set to 2.8.0; Optimized kafka producer/consumer parameters;
  • Spring security version set to 5.4.4;
  • Remove outdated versions of Netty;
  • Add logging of error msg to easily identify root cause of failed logins;
  • Add module cluster-api and used it in rule engine and other services;
  • callback execution in the device state service;
  • Transaction aware cache to synchronize cache put/evict operations with ongoing Spring-managed transactions;

• Transports:

  • Support of server-side RPC requests via protobuf for CoAP and MQTT;
  • Improvements to data converter to support big decimal values;
  • Remove redundant lock on device creating for provisioning feature;
  • Ability to queue configurable number of uplink MQTT messages while processing connect request;
  • Correct close and cleanup of the MQTT session context;

• Rule Engine:

  • Add transaction support to save/update/delete of rule chains.
  • Dynamic alarm severity support in Create Alarm rule node;
  • QueueController returns up to date list from thingsboard.yml;
  • Move the message decoding out of the lock to reduce locking time;
  • Queue check on the very first poll in the lifecycle before any subscribe method calls;
  • Not going to sleep after pull if time left less than 1 millisecond.
  • Ability to use HTML templates in the send email node;

• UI:

  • Improvement of time window visualization in the mobile view;
  • JSON input widget;
  • Ability to configure dashboard logo;
  • Improvement to query params handling;
  • Ability to update dashboard image from screenshot;
  • 'Use entity lable in tab name' checkbox in timeseries table;
  • Entity info in widget actions as 'additionalParams' for entities table widget;
  • Update to logic for 'Set entity from widget' in static widget;
  • Move Transport type selector to transport configuration step in the device wizard;
  • Ability to copy-paste content from widget;
  • Cache cellContent, cellStyle, rowStyle in entity tables widget;
  • Disable scroll zooming in the image map;
  • Improvement to exception handling to exclude output like "object Object";
  • Improvement to chips after blur input;
  • Improvement explanation of what's accepted in entity alias "Entity Name";
  • Update to Czech translation;
  • Ability to toggle show password in the input field of login form;
  • focus for entity-key-list component after blur this component;

Bug Fixes:

• Core:

  • Remove ServiceId from Kafka consumer GroupId;
  • Cassandra prepared Statement initialization lock;
  • Restore old Nashorn sandbox version until bug in library is fixed;
  • Remove duplicate call of onData function for websocket subscriptions;
  • Transaction management for component descriptors and events;
  • Potential outdated server info on recalculatePartitions;
  • Performance fix of alarm query based on pg_stat analysis;
  • Performance fix of device count query;
  • Update the ts_kv_latest table only if the value that arrives has the newer timestamp;
  • Added cache cleanup when entity is renamed;
  • org.apache.kafka.common.KafkaException: javax.security.auth.login.LoginException;
  • Rest Api Call Node fixes: added default header Content-Type
  • Postgresql driver version upgrade to 42.2.20 to fix connection issue with Postgres 11;
  • Drop partition function in install script and added fix to upgrade script
  • Configuration parameter name for Compression Type;
  • Message order for Gateway and LwM2M transports in the core consumer;
  • Duplication of sessions in the device actor cache;
  • Authorization and password reset vulnerability;
  • Entity view selection in relation query alias;
  • Typo in equals method of widget bundle class;
  • SerializationFailedException during device claiming;
  • Dependency vulnerabilities;
  • Spring security issue;
  • Create device notification in DefaultTransportApiService;

• UI:

  • Updated device profiles table after added new profiles
  • Access is forbidden error in the system admin change profile;
  • Alarm rules validation when use changes key or value types;
  • Switch control widget to update state after rpc call response;
  • Widget type filter in the widgets selector;
  • Title when make rule chain root in Chinese;
  • Resolving of the assets page;
  • Multiple datasource processing data in map widgets;
  • Incorrect calculate minIntervalLimit;
  • Some typos in rus/ukr translations;
  • HTML action of identical widgets on the dashboard;
  • Error message in Led Indicator;
  • Entity autocomplete;
  • Thresholds appearing when threshold attribute is not set in flot widgets;
  • HttpCleint and DrugDrop is now accessible for widget extensions to avoid stackoverflow when importing external modules;
  • Device credentials component validation;
  • State controller to not update state when stateId is not changed;
  • New dashboard settings in Safari;
  • Typos in widgets descriptions;
  • Do not "uppercase" unit title of digital gauges;
  • Entities count datasource label overwriting, configured label was never displayed;
  • Entity node level in the entity hierarchy widget;
  • Applying default thresholds line width in the Bar Chart widget;
  • Incorrect time window displaying;
  • Displaying static widget configuration tabs, when configuration of advanced settings is empty;
  • Not updated dashboard URL, after updated a current dashboard state;
  • Tooltip in Map widget for Safari browser;
  • Validation on removal of the alias that is used in the alarm widgets;
  • Added missing help link in add device and add device-profile dialogs;
  • Closing the main menu with the escape key;
  • Clear password after save SMTP settings;
  • Update of the device inactivity timeout attribute;
  • Behaviour of ESC button while in main menu;
  • StartTs and endTs in deleteEntityTimeseries;

• Transports:

  • Configuration of session cleanup;
  • For statistics collection period;
  • CoAP client can subscribe to attribute and rpc updates simultaneously;
  • Removed unnecessary retain of PUBLISH message for QoS 2;
  • Handling of duplicated read/observe requests for CoAP;
  • Memory leak in GatewaySessionHandler by using weak hash map for locks;

• Rest Client:

  • GetAlarms method;
  • Removed redundant parameter for AlarmController, AlarmQuery and getAlarms;
  • Reduced default log level;
  • Include the limit value in the getTimeseries REST call;

• Build/Installation scripts:

  • JAVA_OPTS in K8S config maps to work with Java 11;
  • Reference to the maven repositories;
  • Updated HAProxy and Certbot version for docker-compose scripts;
  • Update haproxy config. Enable HTTP/2;
  • Upgrade Postgres to version 12 in the docker images;
  • Logger template added for Top Rule Nodes by max execution time;
  • Added prometheus-grafana monitoring to Docker scripts;
  • Updated MSA read me file;
  • Correct keystore file lookup from files instead of classpath;
  • Update of os-maven-plugin version;
  • Unique name for logs container in order to avoid container name conflicts;
  • Improved black box tests;