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TiDB 3.1.2 Release Notes
/docs/dev/releases/release-3.1.2/
TiDB 3.1.2 was released on June 4, 2020. Bug fixes include error handling during backup and restoration with S3 and GCS, and a `DefaultNotFound` error during restoration. Tools like Backup & Restore (BR) now automatically retry on poor network, fix restoration failures, data loss issues, and support AWS KMS for server-side encryption with S3 storage.

TiDB 3.1.2 Release Notes

Release date: June 4, 2020

TiDB version: 3.1.2

Bug Fixes

  • TiKV

    • Fix the error handling issue during backup and restoration with S3 and GCS #7965
    • Fix the DefaultNotFound error that occurs during restoration #7838

  • Tools

    • Backup & Restore (BR)

      • Retry automatically when the network is poor to improve stability with S3 and GCS storages #314 #7965
      • Fix a restoration failure that occurs because the Region leader cannot be found when restoring small tables #303
      • Fix a data loss issue during restoration when a table’s row ID exceeds 2^(63) #323
      • Fix the issue that empty databases and tables cannot be restored #318
      • Support using AWS KMS for server-side encryption (SSE) when targeting the S3 storage #261