# TDengine ver-3.3.8.1 — 3.3.8.1 - Product: TDengine (https://whatsnew.fyi/product/tdengine) - Vendor: taosdata - Date: 2025-10-11 - Version: ver-3.3.8.1 - Original notes: https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.1 - Permalink: https://whatsnew.fyi/product/tdengine/releases/ver-3.3.8.1 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'. --- - **changed** — Support alter RSMA - **fixed** — Incorrect results returned when executing first and last functions on the timestamp column simultaneously - **fixed** — Precision loss when taosX synchronizes decimal data - **fixed** — Incorrect first window calculation results after taosd restart when stream is triggered periodically - **fixed** — Show local variables like timezone displayed incorrectly on the Windows platform - **fixed** — No error reported after specifying the DELETE_RECALC option for count window in stream - **fixed** — Explorer typos - **fixed** — move_to failed since cross-dev - **fixed** — Crash occurs while WebSocket reconnects when using STMT - **fixed** — Disk flush thread may deadlock during heavy write and query operations - **fixed** — Incorrect end_point information in perf_connections - **fixed** — Tag filtering did not take effect when subscribing to a topic with tag selection conditions ##### Behavior change and compatibility ##### Features ##### Enhancements 1. enh: support for alter RSMA ##### Fixes 1. fix: incorrect results were returned when executing first and last functions on the timestamp column simultaneously 2. fix: precision loss when taosX synchronizes decimal data 3. fix: incorrect first window calculation results after taosd restart when stream is triggered periodically. 4. fix: show local variables like 'timezone' displayed incorrectly on the Windows platform 5. fix: resolved issue where no error was reported after specifying the DELETE_RECALC option for count window in stream 6. fix: fix some Explorer typos 7. fix: move_to failed since cross-dev 8. fix: crash occurs while WebSocket reconnects when using STMT 9. fix: the disk flush thread may deadlock during heavy write and query operations 10. fix: resolved incorrect end_point information in perf_connections 11. fix: tag filtering did not take effect when subscribing to a topic with tag selection conditions ##### What's Changed * test: remove check for period recalc. by @xiao-77 in https://github.com/taosdata/TDengine/pull/33146 * feat: add status check on compatibility cases. by @xiao-77 in https://github.com/taosdata/TDengine/pull/33065 * fix: order by errors by @Tony2h in https://github.com/taosdata/TDengine/pull/33058 * fix: correct log message formatting in taosd startup by @tomchon in https://github.com/taosdata/TDengine/pull/33157 * docs: update release note for 3.3.8.0 in office web by @feici02 in https://github.com/taosdata/TDengine/pull/33155 * fix: resolved incorrect end_point information in perf_connections by @yihaoDeng in https://github.com/taosdata/TDengine/pull/33159 * docs: update pkg to 3.3.8.0 and use pkgType to get version url by @tomchon in https://github.com/taosdata/TDengine/pull/33162 * docs: update pkg to 3.3.8.0 by @tomchon in https://github.com/taosdata/TDengine/pull/33163 * fix: last error by @facetosea in https://github.com/taosdata/TDengine/pull/33151 * docs: update TDengine package version to 3.3.8.0 by @tomchon in https://github.com/taosdata/TDengine/pull/33164 * fix: [TD-38160] Disable delete_recalc when trigger window is count wi… by @Simon9997 in https://github.com/taosdata/TDengine/pull/33132 * Docs/ipv6Update by @yihaoDeng in https://github.com/taosdata/TDengine/pull/33167 * test:move docs tests and unit tests to new framework by @tomchon in https://github.com/taosdata/TDengine/pull/33148 * fix: remove unsupported branches from pull request triggers in workflow by @tomchon in https://github.com/taosdata/TDengine/pull/33169 * fix: last ERROR by @facetosea in https://github.com/taosdata/TDengine/pull/33166 * enh(stream): remove synchronous wait for runner by @JinqingKuang in https://github.com/taosdata/TDengine/pull/33154 * fix: dead lock caused by pthread_cond_destroy by @kailixu in https://github.com/taosdata/TDengine/pull/33168 * merge: from 3.3.6 to main branch by @guanshengliang in https://github.com/taosdata/TDengine/pull/33171 * fix: remove unnecessary jsonPath attribute and add tdgpt download url by @tomchon in https://github.com/taosdata/TDengine/pull/33175 * docs: support rollup sma by @kailixu in https://github.com/taosdata/TDengine/pull/33176 * Uncatalog 1-insert/2-query case migrate to catalog by @DuanKuanJun in https://github.com/taosdata/TDengine/pull/32977 * fix: update links to issue references in release notes for clarity by @tomchon in https://github.com/taosdata/TDengine/pull/33179 * refactor(gpt): update doc and error msg. by @hjxilinx in https://github.com/taosdata/TDengine/pull/33156 * fix: replace DocCardList with SortedDocCardList in release notes by @tomchon in https://github.com/taosdata/TDengine/pull/33183 * fix(tz): timezone display error in windows by @wangmm0220 in https://github.com/taosdata/TDengine/pull/33170 * fix(tz): timezone display error in windows by @wangmm0220 in https://github.com/taosdata/TDen _[Truncated at 4000 characters — full notes: https://github.com/taosdata/TDengine/releases/tag/ver-3.3.8.1]_