feat: Automatically create xnode during TSDB initialization
feat: Explorer License page show machine code
feat: taosX-agent support xnode ha
feat: taosX support parquet files import
feat: add SQL recording for STMT in adapter
feat: Rust native connector support STMT2
feat: support dual conditions of duration and row count for true_for judgment in event and state windows of stream and batch query
Enhancements
enh: STMT query supports the binding of the interval parameter
enh: provide clearer error messages for SQL statements
enh: add column created_by/labels for XNODE TASK
enh: optimize the login verification logic to force root users who log in with the default password to change their passwords
enh: improve the processing mechanism of data encryption for bse and other files
enh: add notification mechanism related to user tokens
enh: support upgrading clusters with old-version data encryption mechanism to new-version one
enh: support creating TOTP secrets using the create totp_secret syntax
enh: Support both IPv4 & IPv6 protocol stacks
enh: support updating expiration time and policy for data encryption keys
enh: allow any chars in MQTT topic
enh: rename lag function to fill_forward and redevelop Lag function compatible with MySQL in follow-up
enh: improve performance of cols + last queries on virtual tables with only one original table
enh: support modifying permission control for users
enh: improve permission control for views and audits
enh: handle permission compatibility from version 3.3 to 3.4
enh: prohibit users from tampering with configuration files after data encryption takes effect
enh: optimize the notification content of stream period triggers by adding the trigger start time and end time fields (retaining the windowStart and windowEnd field names)
enh: adjust the upper limit of the original tables referenced by virtual tables from 1000 to 2000
enh: reduce the computing latency when stream query statements contain virtual table tag filter conditions
enh: optimize the syntax of stream statements to support the use of placeholders such as _twstart in the ORDER BY clause
enh: optimize the execution logic of outer join queries to resolve the issue where limit does not take effect when order by is not specified
Fixes
fix: incorrect results when executing the show create table statement on virtual tables
fix: null pointer error when InfluxDB schema changes
fix: crash in stream caused by improper handling of heartbeat messages after mnode leader switchover
fix: memory leak that occurs when UDF function initialization fails
fix: influxdb error with backslash syntax in taosX
fix: incorrect results when invoking the concat function in stream
fix: taoskeeper allow special chars in password
fix: inaccurate scheduled execution time for multi-level storage migration tasks
fix: migrate stuck in AVEVA Historian data-in
fix: incorrect results when the data in individual group windows is all NULL values during multi-group processing in state windows
fix: abnormal calculation results after deleting and rebuilding the result subtable of stream
fix: the client may crash when the concurrent write volume of STMT is high
fix: incorrect default time configuration issue for password reuse restrictions
fix: error while performing JOIN operations with subqueries without the FROM clause
fix: MySQL DataIn task may blocking when few data rows
fix: remove duplicate error details
fix: trigger logic error of the true_for option in stream when out-of-order data is written
fix: taosX native connection tmq error message
fix: possibly stuck on systemctl stop taosd caused by xnoded
fix: subscriptions created by a user cannot be canceled after the user is deleted
fix: crash while combined use of group_concat function and count_window
fix: fix create task error for opc
fix: failed to set user permissions in taosExplorer of v3.4.0 version
What's Changed
docs: update xnode port by @zitsen in https://github.com/taosdata/TDengine/pull/34152
docs: update release note for 3.4.0.0 in office web by @feici02 in https://github.com/taosdata/TDengine/pull/34153
docs: minor corrections by @danielclow in https://github.com/taosdata/TDengine/pull/34159
feat(docs): add taosx datain Pulsar/Pulsar-Tuya docs by @acerDebugman in https://github.com/taosdata/TDengine/pull/34161
enh: privilege parse and check create stream by @kailixu in https://github.com/taosdata/TDengine/pull/34143
chore(jdbc): update jdbc version by @sheyanjie-qq in https://github.com/taosdata/TDengine/pull/34157
fix(udf): destory data block in the error case by @stephenkgu in https://github.com/taosdata/TDengine/pull/34140
fix(stream): add resetting tagScan logic & fix parse value error if value is integer & fix tmqError.py by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34124
feat: support create/drop totp_secret statement by @localvar in https://github.com/taosdata/TDengine/pull/34162
enh: update keyword list by @localvar in https://github.com/taosdata/TDengine/pull/34177
fix: groupagg with slimit by @facetosea in https://github.com/taosdata/TDengine/pull/34083
docs: add connector compatibility desc by @sheyanjie-qq in https://github.com/taosdata/TDengine/pull/34181
docs: remove tools and old downloads by @danielclow in https://github.com/taosdata/TDengine/pull/33927
fix: enhance memory leak detection by adding ignore patterns and refactoring count functions by @tomchon in https://github.com/taosdata/TDengine/pull/34176
Merge stream performance scene test script by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/34139
fix:add 3.3.8 ci test by @tomchon in https://github.com/taosdata/TDengine/pull/34189
docs: update 2026 roadmap by @guanshengliang in https://github.com/taosdata/TDengine/pull/34194
merge: from 3.3.6 to 3.3.8 by @guanshengliang in https://github.com/taosdata/TDengine/pull/34186
fix: update branch references to 3.3.8 in workflow files by @tomchon in https://github.com/taosdata/TDengine/pull/34192
fix: 6574866934 by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34171
fix:insert into stb subquery cross dnodes by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34131
merge: from 3.3.8 to main branch by @guanshengliang in https://github.com/taosdata/TDengine/pull/34196
fix(udf): no decoding with error rsp by @stephenkgu in https://github.com/taosdata/TDengine/pull/34180
fix: failed to run test_write_insert_select.py by @guanshengliang in https://github.com/taosdata/TDengine/pull/34211
fix: no from query subplan type error by @dapan1121 in https://github.com/taosdata/TDengine/pull/34199
docs: format udf doc by @danielclow in https://github.com/taosdata/TDengine/pull/34210
fix:clientHbReq deserialize problem by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34198
fix: explain with no aggregate function window crash issue by @dapan1121 in https://github.com/taosdata/TDengine/pull/34201
feat:stmt2 query free result by adapter by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34155
enh:stmt2 query free result by adapter by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34214
feat:stmt2 query free result by adapter by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34200
fix: correct syntax for checking existence of docs-c-test log file by @tomchon in https://github.com/taosdata/TDengine/pull/34191
docs(log): modify doc of monitor by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34213
fix(client): heartbeat msg incompatible by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34207
fix(client): heartbeat msg incompatible by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34208
fix(client): fix the logic of reading slow log file if thers are \0\0 or other datas format in slow log file by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34206
Fix:client hb core by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34221
fix: wrong default value for password reuse time by @localvar in https://github.com/taosdata/TDengine/pull/34212
feat: add option to force change default password by @localvar in https://github.com/taosdata/TDengine/pull/34165
fix(stream/fetch): fix stream data fetching from runner by @stephenkgu in https://github.com/taosdata/TDengine/pull/34178
fix(stream/fetch): fix stream data fetching from runner by @stephenkgu in https://github.com/taosdata/TDengine/pull/34170
merge: from 3.3.6 to 3.3.8 by @guanshengliang in https://github.com/taosdata/TDengine/pull/34222
fix: 3 bugs related to token and user by @localvar in https://github.com/taosdata/TDengine/pull/34219
merge: from 3.3.8 to main by @guanshengliang in https://github.com/taosdata/TDengine/pull/34225
fix: big offset error by @facetosea in https://github.com/taosdata/TDengine/pull/34183
feat: add generate encrypt key at test framework. by @xiao-77 in https://github.com/taosdata/TDengine/pull/34182
fix: allow_datetime cannot be set during create user by @localvar in https://github.com/taosdata/TDengine/pull/34226
merge: from 3.3.6 to 3.3.8 branch by @guanshengliang in https://github.com/taosdata/TDengine/pull/34231
enh(meta entry cache): cache switch and size control by @stephenkgu in https://github.com/taosdata/TDengine/pull/34014
fix(query): init the stt block reader when returning the clean stt/da… by @hjxilinx in https://github.com/taosdata/TDengine/pull/34076
case: submit test_user_security.py by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/34184
merge: from 3.3.6 to 3.3.8 by @guanshengliang in https://github.com/taosdata/TDengine/pull/34240
fix:stmt2 memleak by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34169
merge: from 3.3.8 to main by @guanshengliang in https://github.com/taosdata/TDengine/pull/34243
fix virtual table test cases by @Simon9997 in https://github.com/taosdata/TDengine/pull/34246
Fix stream issues by @JinqingKuang in https://github.com/taosdata/TDengine/pull/34254
fix: improve error handling during server startup in taoskeeper by @qevolg in https://github.com/taosdata/TDengine/pull/34249
fix: improve error handling during server startup in taoskeeper by @qevolg in https://github.com/taosdata/TDengine/pull/34247
feat(taosx): support xnode agent management sql by @acerDebugman in https://github.com/taosdata/TDengine/pull/34224
fix: test_user_manager.py connect timeout test randomly failed by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/34256
case: TOTP Login ci case test_user_totp.py by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/34257
refactor: planning doc format with admonitions by @feici02 in https://github.com/taosdata/TDengine/pull/34262
fix:add check transcation after new db by @tomchon in https://github.com/taosdata/TDengine/pull/34175
fix:stmt2 query tbname bind problem by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34174
fix: taosd core while duplicate exec trim database wal. by @xiao-77 in https://github.com/taosdata/TDengine/pull/34267
fix: taosd core while duplicate exec trim database wal. by @xiao-77 in https://github.com/taosdata/TDengine/pull/34268
test: split compatibility case. by @xiao-77 in https://github.com/taosdata/TDengine/pull/34260
merge: from 3.3.6 to 3.3.8 by @guanshengliang in https://github.com/taosdata/TDengine/pull/34274
fix(stream): align version between tablelist and submit to avoid Invalid parameters if deleting table by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34255
fix: state window error when partition by tbname by @Tony2h in https://github.com/taosdata/TDengine/pull/34245
enh(xnode): add column created_by and labels for xnode task by @acerDebugman in https://github.com/taosdata/TDengine/pull/34264
docs: update branch in github links by @danielclow in https://github.com/taosdata/TDengine/pull/34234
docs: remove udf links from headings by @danielclow in https://github.com/taosdata/TDengine/pull/34233
docs: update release list component by @danielclow in https://github.com/taosdata/TDengine/pull/34281
docs(pi): user,passwd,domain configurations #none by @zyyang90 in https://github.com/taosdata/TDengine/pull/34286
fix: stmt2 memleak decimal by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34278
Test: add token login case test_user_token.py by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/34277
fix(xnode): update the third parameter of xDecodeCowStr from NULL to … by @acerDebugman in https://github.com/taosdata/TDengine/pull/34288
fix(ci): remove keeper-related paths from workflow triggers by @tomchon in https://github.com/taosdata/TDengine/pull/34294
fix(workflow): remove keeper tool from paths-ignore in new-framework-… by @tomchon in https://github.com/taosdata/TDengine/pull/34296
fix: update workflow paths to include keeper and exclude specific test file by @tomchon in https://github.com/taosdata/TDengine/pull/34295
Adjust virtual table's max ref table num. by @Simon9997 in https://github.com/taosdata/TDengine/pull/34284
docs: update 338 pkglist by @danielclow in https://github.com/taosdata/TDengine/pull/34297
docs: update 336 pkglist by @danielclow in https://github.com/taosdata/TDengine/pull/34289
merge: from 3.3.6 to 3.3.8 branch by @guanshengliang in https://github.com/taosdata/TDengine/pull/34300
fix: [6688991144] Push down time range condition. by @Simon9997 in https://github.com/taosdata/TDengine/pull/34282
fix(stream): align version between tablelist and submit to avoid Invalid parameters if deleting table by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34269
fix: stmt varchar type leak by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34265
fix(case): case error in sometimes by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34270
fix(case): case error in sometimes by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34238
fix(timer): periodic latency in timer by @kailixu in https://github.com/taosdata/TDengine/pull/34285
merge: from 3.3.6 to 3.3.8 by @guanshengliang in https://github.com/taosdata/TDengine/pull/34310
fix(docs): improve space handling after emphasis markers in markdown rules by @tomchon in https://github.com/taosdata/TDengine/pull/34304
docs(taosx): add Parquet data source support by @zitsen in https://github.com/taosdata/TDengine/pull/34279
fix(keeper): encode TDengine username and password for special characters by @qevolg in https://github.com/taosdata/TDengine/pull/34292
fix(keeper): encode TDengine username and password for special characters by @qevolg in https://github.com/taosdata/TDengine/pull/34293
fix(keeper): encode TDengine username and password for special characters by @qevolg in https://github.com/taosdata/TDengine/pull/34291
feat: implement token notification by @localvar in https://github.com/taosdata/TDengine/pull/34273
fix: update installation and removal scripts for improved directory handling by @tomchon in https://github.com/taosdata/TDengine/pull/34172
fix(install): remove redundant taosd installation checks and prompts by @tomchon in https://github.com/taosdata/TDengine/pull/34316
mereg: from 3.3.8 to main by @guanshengliang in https://github.com/taosdata/TDengine/pull/34311
fix: test_user_totp.py randomly failed by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/34312
merge: from 3.3.6 to 3.3.8 branch by @guanshengliang in https://github.com/taosdata/TDengine/pull/34321
fix: fix three bugs by @localvar in https://github.com/taosdata/TDengine/pull/34314
docs: update python docs by @qevolg in https://github.com/taosdata/TDengine/pull/34271
feat: support encrypt bse , mnode , stream checkpoint. by @xiao-77 in https://github.com/taosdata/TDengine/pull/34197
chore: remove useless avro doc by @sheyanjie-qq in https://github.com/taosdata/TDengine/pull/34330
add test_user_manage_local.py case only can run on local by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/34336
merge: from 3.3.8 to main by @guanshengliang in https://github.com/taosdata/TDengine/pull/34339
fix(stream): correct varchar literal length in json deserialization by @JinqingKuang in https://github.com/taosdata/TDengine/pull/34324
fix(stream): correct varchar literal length in json deserialization by @JinqingKuang in https://github.com/taosdata/TDengine/pull/34325
enh: improve documentation of white/black list by @localvar in https://github.com/taosdata/TDengine/pull/34334
enh(xnode): support where condition for show xnode task/job/agent clause by @acerDebugman in https://github.com/taosdata/TDengine/pull/34315
chore: fix xnoded path macro not exist for windows by @acerDebugman in https://github.com/taosdata/TDengine/pull/34349
fix(tmq): case error in sometimes by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34348
fix:stmt large scale writing core by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34338
docs: add activation doc by @danielclow in https://github.com/taosdata/TDengine/pull/34287
enh:stmt support interval opt by @Pengrongkun in https://github.com/taosdata/TDengine/pull/34354
fix: [6657125318] Fix wrong terror defined. by @Simon9997 in https://github.com/taosdata/TDengine/pull/34350
merge: from 3.3.6 to 3.3.8 by @guanshengliang in https://github.com/taosdata/TDengine/pull/34355
enh: [6718786025] Optimize error code and error msg. by @Simon9997 in https://github.com/taosdata/TDengine/pull/34362
fix: crash of time whitelist by @yihaoDeng in https://github.com/taosdata/TDengine/pull/34351
fix(udf/setup): release udf resources when setup failed by @stephenkgu in https://github.com/taosdata/TDengine/pull/34333
docs: mqtt data subscription link by @danielclow in https://github.com/taosdata/TDengine/pull/34253
docs: cpp subscribe correction by @danielclow in https://github.com/taosdata/TDengine/pull/34252
fix: [6719658649] Fix wrong show create virtual table output. by @Simon9997 in https://github.com/taosdata/TDengine/pull/34360
fix: [6719658649] Fix wrong show create virtual table output. by @Simon9997 in https://github.com/taosdata/TDengine/pull/34359
fix(stream): fix mgmt add new calc reader task by @JinqingKuang in https://github.com/taosdata/TDengine/pull/34358
fix(stream): fix mgmt add new calc reader task by @JinqingKuang in https://github.com/taosdata/TDengine/pull/34357
enh[manual-only]: add condition to skip tests for manual-only pull requests by @tomchon in https://github.com/taosdata/TDengine/pull/34369
feat: taosk compatibility by @xiao-77 in https://github.com/taosdata/TDengine/pull/34343
fix(xnode): fix memory leak when executing sql:drop xnode job where config=… by @acerDebugman in https://github.com/taosdata/TDengine/pull/34366
docs(taosx): add section for exporting to parquet by @zitsen in https://github.com/taosdata/TDengine/pull/34378
feat/6640154608-audit-encrypt-algo-doc-test by @cadem in https://github.com/taosdata/TDengine/pull/34367
test: add more cases for user, token and totp by @localvar in https://github.com/taosdata/TDengine/pull/34368
enh: add support for IPv6 dual-stack in transport layer and related tests by @yihaoDeng in https://github.com/taosdata/TDengine/pull/34370
merge: from 3.3.8 to main by @guanshengliang in https://github.com/taosdata/TDengine/pull/34381
enh: clarify and improve accuracy of error description for main by @facetosea in https://github.com/taosdata/TDengine/pull/34383
docs: add docs for storage encryption. by @xiao-77 in https://github.com/taosdata/TDengine/pull/34377
fix: only copy local hosts build dir when test failed by @tomchon in https://github.com/taosdata/TDengine/pull/34375
fix: fix error when dynamically load model, and fix some bugs. by @hjxilinx in https://github.com/taosdata/TDengine/pull/34411
enh: update installation script to correctly handle start-all.sh file by @tomchon in https://github.com/taosdata/TDengine/pull/34395
fix compile err on windows by @yihaoDeng in https://github.com/taosdata/TDengine/pull/34399
fix: add cmake build type parameter in build.bat by @tomchon in https://github.com/taosdata/TDengine/pull/34412
fix: rename lag function by @facetosea in https://github.com/taosdata/TDengine/pull/34405
fix: can not restart taosd while use encrypt meta data. by @xiao-77 in https://github.com/taosdata/TDengine/pull/34409
docs: add TDengine TSDB MCP reference manual by @huskar-t in https://github.com/taosdata/TDengine/pull/34413
fix: remove success log statements from various test cases to streamline output and reduce redundancy by @tomchon in https://github.com/taosdata/TDengine/pull/34408
fix:refactor log messages in test cases to remove "successfully executed" for consistency by @tomchon in https://github.com/taosdata/TDengine/pull/34422
fix: join crash issue by @dapan1121 in https://github.com/taosdata/TDengine/pull/34421
enh: [6710694996] Eliminate virtual table scan operator. by @Simon9997 in https://github.com/taosdata/TDengine/pull/34415
docs: update usage examples in TDengine TSDB MCP reference manual by @huskar-t in https://github.com/taosdata/TDengine/pull/34423
feat: support alter key expiration time. by @xiao-77 in https://github.com/taosdata/TDengine/pull/34390
enh: prohibit users from tampering with configuration files after data encryption takes effect by @xiao-77 in https://github.com/taosdata/TDengine/pull/34344
[manual-only] enh(rbac): access control by @kailixu in https://github.com/taosdata/TDengine/pull/34259
fix: update taosKeeper dependencies by @huskar-t in https://github.com/taosdata/TDengine/pull/34428
fix: [6570595001] Add correct error handling logic. by @Simon9997 in https://github.com/taosdata/TDengine/pull/34088
fix(tmq): decode heartbeat msg error if there is a consumer by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34430
fix(tmq): decode heartbeat msg error if there is a consumer by @wangmm0220 in https://github.com/taosdata/TDengine/pull/34429
docs: update links in user and permission management documentation by @tomchon in https://github.com/taosdata/TDengine/pull/34437
merge: from 3.3.6 to 3.3.8 branch by @guanshengliang in https://github.com/taosdata/TDengine/pull/34439
feat/6747537673-add-doc-audit by @cadem in https://github.com/taosdata/TDengine/pull/34427
merge: from 3.3.8 to main by @guanshengliang in https://github.com/taosdata/TDengine/pull/34440
feat(stream): support true for row count limit by @JinqingKuang in https://github.com/taosdata/TDengine/pull/34342
fix: auth may miss cache when check use db for insert by @kailixu in https://github.com/taosdata/TDengine/pull/34438
docs(csharp): add bearerToken parameter for TDengine TSDB connection by @huskar-t in https://github.com/taosdata/TDengine/pull/34441
fix: group_concat type error by @dapan1121 in https://github.com/taosdata/TDengine/pull/34444
enh: check user name of consumer object directly. by @kailixu in https://github.com/taosdata/TDengine/pull/34445
enh: support offline mode by @jiajingbin in https://github.com/taosdata/TDengine/pull/34446
feat[manual-only]: support token auth when creating XNODE by @acerDebugman in https://github.com/taosdata/TDengine/pull/34419
Full Changelog: https://github.com/taosdata/TDengine/compare/ver-3.4.0.0...ver-3.4.0.2