release: v8.1.3

**Disclaimer**
The dates published in this issue are for planning purposes only. It is intended solely to help you plan your projects. A date that exists in the future should not be considered a firm release date as the release and timing of releases are subject to change at any time and are at PingCAP's sole discretion.

**Candidate SHA:**
TBD

Working Tags: TBD

**Check the diff in the current version:**
See the difference from the commit perspective:
TBD

**Release process checklist**

- [ ] 0. Announce the release plan.

- [ ] 1. Code freeze and RC build: TBD

- [ ] 2. Qualifying the release.

- [ ] 3. Docs preparing for release.

- [ ] 4. The release qualified.

- [ ] 5. Docs are ready for release.

**Release date: TBD**

Do not proceed below until the release date.

- [ ] 6. Publish TiDB Release

> - [ ] fill in Candidate SHA above
>
> - [ ] fill in the release tag

- [ ] 7. Update docs

- [ ] 8. Update the official website