# TDengine ver-3.3.7.5 — 3.3.7.5 - Product: TDengine (https://whatsnew.fyi/product/tdengine) - Vendor: taosdata - Date: 2025-08-28 - Version: ver-3.3.7.5 - Original notes: https://github.com/taosdata/TDengine/releases/tag/ver-3.3.7.5 - Permalink: https://whatsnew.fyi/product/tdengine/releases/ver-3.3.7.5 What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **added** — taosX support importing ORC format - **added** — C WebSocket connection-level timezone - **added** — support ADO interface in ODBC - **added** — taosAdapter support recording sql to csv - **changed** — set EXPLORER_SKIP_REGISTER=true to skip register in Explorer - **changed** — reduce taosX binary size by nearly 60M plain or 15M compressed - **changed** — explorer will trim spaces in user name - **changed** — C WebSocket support configuration options for auto reconnect - **changed** — support for formatting time using DDD on Windows - **changed** — disable alert in dashboard on explorer oss - **changed** — add verifyPeer parameter to allow users to skip certificate verification during S3 data upload - **changed** — enhance the state control mechanism for S3 data migration to improve precision and efficiency - **changed** — explorer can config request timeout in opcua - **changed** — Show Create Table does not output compression information - **changed** — shared storage supports NAS - **changed** — support retries in taosBenchmark via ws - **changed** — improve kafka datain performance - **fixed** — speedup influxdb 1.x querying and fix oom in taosX influxdb datasource - **fixed** — create data replication error in explorer with non-default password ##### Behavior change and compatibility ##### Features 1. feat: taosX support importing ORC format 2. feat: C WebSocket connection-level timezone 3. feat: [TD-37437]: incorrect database targeting when creating streams containing virtual table queries 4. feat: support ADO interface in ODBC 5. feat: taosAdapter support recording sql to csv ##### Enhancements 1. enh: set EXPLORER_SKIP_REGISTER=true to skip register in Explorer 2. enh: reduce taosX binary size for nearly ~60M(plain, 15M compressed) 3. enh: explorer will trim spaces in user name 4. enh: C WebSocket support configuration options for auto reconnect 5. enh: support for formatting time using DDD on Windows. 6. enh: disable alert in dashboard on explorer oss 7. enh: add verifyPeer parameter to allow users to skip certificate verification during S3 data upload. 8. enh: enhance the state control mechanism for S3 data migration to improve precision and efficiency 9. enh: explorer can config requret timeout in opcua 10. enh: Show Create Table does not output compression information. 11. enh: shared storage supports NAS 12. enh: support retries in taosBenchmark via ws 13. enh: improve kafka datain performance 14. enh: taosX not started cause ui undefined error ##### Fixes 1. fix: speedup influxdb 1.x querying and fix oom in taosX influxdb datasource 2. fix: create data replication error in explorer with non-default password 3. fix: crash caused by race conditions during memory reclamation in long-running queries 4. fix: non-exist file cause unstopped failed to open file error in restore 5. fix: intermittent “stream task lost” error when creating stream tasks in batches. 6. fix: delete stream cause 'Database not specified' in explorer 7. fix: varbinary database mapping in explorer transform 8. fix: panic in case of decimal converting from oracle 9. fix: trigger table tags being null causes crash 10. fix: mqtt get sample data timeout if frequency too low 11. fix: taosdump export by time range error in case of us/ns precision 12. fix: crash issue when using CALC_NOTIFY_ONLY option in stream computing 13. fix: taoskeeper audit log error with `value too long for column/tag: client_address` in taoskeeper 14. fix: import csv with value field in explorer cause error 15. fix: explorer cascading tag table list error in case of same values in multi tag fields 16. fix: taosX got unexpected null values in case of different types in single field 17. fix: nginx service restart cause explorer error ##### What's Changed * Feat/ts 6100 3.0 by @wangmm0220 in https://github.com/taosdata/TDengine/pull/32326 * merge: from main to stream by @guanshengliang in https://github.com/taosdata/TDengine/pull/32342 * test: verify bug4 merge case to vehicle.py by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/32328 * feat: rename docker image by @feici02 in https://github.com/taosdata/TDengine/pull/32346 * test: modify recalc ci cases. by @xiao-77 in https://github.com/taosdata/TDengine/pull/32318 * test: update tese case of blob by @yihaoDeng in https://github.com/taosdata/TDengine/pull/32330 * test: modify case test_recalc_manual_with_options.py. by @xiao-77 in https://github.com/taosdata/TDengine/pull/32348 * fix invalide read epset by @yihaoDeng in https://github.com/taosdata/TDengine/pull/32344 * docs: count_window by @facetosea in https://github.com/taosdata/TDengine/pull/32349 * enh: update show creata table by @yihaoDeng in https://github.com/taosdata/TDengine/pull/32320 * test: modify case by @plum-lihui in https://github.com/taosdata/TDengine/pull/32290 * enh: set queryUseMemoryPool to 0 by @jiajingbin in https://github.com/taosdata/TDengine/pull/32351 * fix(stream): fix recalculation range by @JinqingKuang in https://github.com/taosdata/TDengine/pull/32332 * test: add recalc manual to ci. by @xiao-77 in https://github.com/taosdata/TDengine/pull/32361 * fix: split de _[Truncated at 4000 characters — full notes: https://github.com/taosdata/TDengine/releases/tag/ver-3.3.7.5]_