# tidb v8.5.5 — TiDB v8.5.5

- Product: tidb (https://whatsnew.fyi/product/tidb)
- Vendor: pingcap
- Date: 2026-01-15
- Version: v8.5.5
- Original notes: https://github.com/pingcap/tidb/releases/tag/v8.5.5
- Permalink: https://whatsnew.fyi/product/tidb/releases/v8.5.5

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'.

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For new features, improvements, and bug fixes released in v8.5.5 for TiDB, see [TiDB v8.5.5 release notes](https://docs.pingcap.com/tidb/stable/release-8.5.5).

See the difference from the issue perspective:
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- pingcap/tidb#63956
- pingcap/tidb#64678
- pingcap/tidb#63949
- pingcap/tidb#63426
- pingcap/tidb#63956
- pingcap/tidb#62547
- pingcap/tidb#63763
- pingcap/tidb#61736
- pingcap/tidb#64594
- pingcap/tidb#62293
- pingcap/tidb#59344
- pingcap/tidb#61373
- pingcap/tidb#64551
- pingcap/tidb#59705
- pingcap/tidb#63880
- pingcap/tidb#60316
- pingcap/tidb#61177
- pingcap/tidb#60433
- pingcap/tidb#62853
- pingcap/tidb#64657
- pingcap/tidb#60804
- pingcap/tidb#64849
- pingcap/tidb#62966
- pingcap/tidb#64811
- pingcap/tidb#64866
- pingcap/tidb#63329
- pingcap/tidb#57176
- pingcap/tidb#64879
- pingcap/tidb#64300
- pingcap/tidb#62590
- pingcap/tidb#63920
- pingcap/tidb#64908
- pingcap/tidb#63810
- pingcap/tidb#62937
- pingcap/tidb#63303
- pingcap/tidb#64038
- pingcap/tidb#61233
- pingcap/tidb#64691
- pingcap/tidb#64413
- pingcap/tidb#64561
- pingcap/tidb#64323
- pingcap/tidb#52653
- pingcap/tidb#64952
- pingcap/tidb#62575
- pingcap/tidb#64876
- pingcap/tidb#63698
- pingcap/tidb#64880
- pingcap/tidb#64908
- pingcap/tidb#61642
- pingcap/tidb#56296
- pingcap/tidb#64667
- pingcap/tidb#57090
- pingcap/tidb#63235
- pingcap/tidb#62499
- pingcap/tidb#64947
- pingcap/tidb#64539
- pingcap/tidb#64666
- pingcap/tidb#64351
- pingcap/tidb#64835
- pingcap/tidb#64908
- pingcap/tidb#58985
- pingcap/tidb#58958
- pingcap/tidb#63414
- pingcap/tidb#61668
- pingcap/tidb#60044
- pingcap/tidb#61191
- pingcap/tidb#58780
- pingcap/tidb#64933
- pingcap/tidb#60044
- pingcap/tidb#61509
- pingcap/tidb#65040
- pingcap/tidb#64129
- pingcap/tidb#64667
- pingcap/tidb#64542
- pingcap/tidb#57348
- pingcap/tidb#64645
- pingcap/tidb#65109
- pingcap/tidb#65090
- pingcap/tidb#65155
- pingcap/tidb#65261
- pingcap/tidb#65275
- pingcap/tidb#65227
- pingcap/tidb#62442
- pingcap/tidb#65221
- pingcap/tidb#64920
- pingcap/tidb#65220
- pingcap/tidb#65226
- pingcap/tidb#65067
- pingcap/tidb#65381
- pingcap/tidb#63567
- pingcap/tidb#65362
- pingcap/tidb#65256
- pingcap/tidb#65202
- pingcap/tidb#65436
- pingcap/tidb#65522
- pingcap/tidb#65489
- pingcap/tidb#65222

</details>