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add v8.5.5 release notes (#22190) #22332

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Merged
qiancai merged 77 commits into from
Jan 15, 2026
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add v8.5.5 release notes (#22190) #22332

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03c300a
Create release-8.5.5.md
qiancai Dec 16, 2025
efe0684
add feature description for #56522 and #58685
qiancai Dec 17, 2025
21d7672
Added descriptions for additional changes included in the release
benmeadowcroft Dec 17, 2025
0af3d23
Apply suggestions from code review
benmeadowcroft Dec 18, 2025
a1fb50f
add two info
qiancai Dec 18, 2025
b7517db
Update releases/release-8.5.5.md
qiancai Dec 24, 2025
fe6b6c3
add improvements and bug fixes
qiancai Dec 24, 2025
3f3f990
add more features and adjust the feature order
qiancai Dec 25, 2025
79b1edb
Update releases/release-8.5.5.md
qiancai Dec 25, 2025
9598587
Apply suggestions from code review
qiancai Dec 25, 2025
c61e986
update INDEX_LOOKUP_PUSHDOWN
Oreoxmt Dec 25, 2025
0ea4259
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hfxsd Dec 26, 2025
5e67c92
add the feature description for storage engine identifiers
qiancai Dec 29, 2025
c8acc99
Update releases/release-8.5.5.md
hfxsd Dec 29, 2025
698ff42
add cdc bug fixes
qiancai Dec 30, 2025
684ff9a
add improvements and bug fixes for SQL data
qiancai Dec 30, 2025
4871d00
move ticdc #12253 from bug fixes to improvements
qiancai Dec 30, 2025
b3a4e57
add BR bug fixes
qiancai Dec 30, 2025
853f135
Compatibility changes: add tidb_index_lookup_pushdown_policy
Oreoxmt Dec 31, 2025
5835649
add improvements and bug fixes for coprocessor/TiKV /engine/raft
qiancai Dec 31, 2025
c9c5f1a
Apply suggestions from code review
qiancai Jan 5, 2026
eb8f768
translate #63366
qiancai Jan 5, 2026
84ef38e
translate two features
qiancai Jan 5, 2026
ab84885
Update releases/release-8.5.5.md
qiancai Jan 5, 2026
a40688f
Refine wording
lilin90 Jan 5, 2026
214ddf2
Update releases/release-8.5.5.md
qiancai Jan 5, 2026
187a8f1
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qiancai Jan 5, 2026
abf457b
add release notes from the zh PR
qiancai Jan 5, 2026
718ad87
add tw info for improvements and bug fixes
qiancai Jan 5, 2026
4c74850
add a bug fix for TiDB
qiancai Jan 5, 2026
a9f9e8a
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benmeadowcroft Jan 6, 2026
16731a7
add parameter changes
qiancai Jan 7, 2026
2c302d8
add links to variables
qiancai Jan 7, 2026
19e49f1
update PD, TiKV, BR
Oreoxmt Jan 7, 2026
4a315bd
Update releases/release-8.5.5.md
hfxsd Jan 8, 2026
89f125f
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hfxsd Jan 8, 2026
89b47b4
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hfxsd Jan 8, 2026
7dea785
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hfxsd Jan 8, 2026
c1bb085
update the compatibility info
qiancai Jan 8, 2026
35fe68f
translate TiDB improvements and PD bug fixes
qiancai Jan 8, 2026
8680637
translate TiCDC improvements and bug fixes
qiancai Jan 9, 2026
98c6b6a
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qiancai Jan 9, 2026
fe63c39
add the default value of tidb_analyze_column_options
qiancai Jan 9, 2026
9b63165
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Oreoxmt Jan 9, 2026
45c5b23
add readpool.cpu-threshold
qiancai Jan 10, 2026
2872090
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lilin90 Jan 12, 2026
8cdf05b
Update wording
lilin90 Jan 12, 2026
5d553ae
Update releases/release-8.5.5.md
qiancai Jan 12, 2026
7825d57
Refine wording
lilin90 Jan 12, 2026
af4f157
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Oreoxmt Jan 12, 2026
37f7a4f
Refine wording and format
lilin90 Jan 12, 2026
4af2054
update tidb_analyze_column_options
qiancai Jan 12, 2026
5a12890
Compatibility changes: sync changes from zh
qiancai Jan 12, 2026
a3d4de9
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qiancai Jan 13, 2026
29d1f1c
change the default value of enable-async-batch-get to false for 8.5.5
qiancai Jan 13, 2026
e29b5c2
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qiancai Jan 13, 2026
fcd9422
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qiancai Jan 13, 2026
a784dd1
remove inline tag comments
qiancai Jan 13, 2026
43b9aa8
add TOC related changes
qiancai Jan 13, 2026
ba21afc
fix build errors
qiancai Jan 13, 2026
98e695c
Update releases/release-8.5.5.md
qiancai Jan 14, 2026
1861847
Update releases/release-8.5.5.md
qiancai Jan 14, 2026
f681773
fix issue numbers
qiancai Jan 14, 2026
1f1c46d
remove a duplicated #58985 for the same issue
qiancai Jan 14, 2026
6246718
fix a format issue
qiancai Jan 14, 2026
419812c
Update releases/release-8.5.5.md
hfxsd Jan 14, 2026
0f603a4
fix a format issue
qiancai Jan 14, 2026
da08014
fix format issues
qiancai Jan 14, 2026
07be226
fix format issues
qiancai Jan 14, 2026
8b2e76f
Update releases/release-8.5.5.md
qiancai Jan 14, 2026
df59184
Apply suggestions from code review
qiancai Jan 14, 2026
d37208f
Update releases/release-8.5.5.md
qiancai Jan 14, 2026
cab6c9a
Update releases/release-8.5.5.md
qiancai Jan 15, 2026
a63caa5
update the release date
qiancai Jan 15, 2026
bfe04d2
Update releases/release-8.5.5.md
qiancai Jan 15, 2026
603a38e
Update releases/release-8.5.5.md
qiancai Jan 15, 2026
181da10
Merge branch 'release-8.5' into pr/22332
qiancai Jan 15, 2026
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1 change: 1 addition & 0 deletions TOC.md
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Expand Up @@ -1107,6 +1107,7 @@
- [Release Support Policy](https://www.pingcap.com/tidb-release-support-policy/)
- [TiDB Installation Packages](/binary-package.md)
- v8.5
- [8.5.5](/releases/release-8.5.5.md)
- [8.5.4](/releases/release-8.5.4.md)
- [8.5.3](/releases/release-8.5.3.md)
- [8.5.2](/releases/release-8.5.2.md)
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