bigtable: v1.53.0

1.53.0 (2026-08-27)

Features

• bigtable/accelerator: Add --user-agent flag to daemon (#20341) (6b33c06)
• bigtable/accelerator: Add daemon binary with identity verification (#20330) (2f9cf89)
• bigtable/accelerator: Add proxy channel scaffold owning a sessi… (#20310) (d65ca7d)
• bigtable/accelerator: Add stdin-EOF and parent-PID lifecycle wa… (#20328) (dc1c6ae)
• bigtable/accelerator: Add UDS server with authenticated proxy i… (#20320) (a837020)
• bigtable/accelerator: Add V2-to-session request adapters (#20271) (4cb6f16)
• bigtable/accelerator: Authenticate UDS callers with a stdin tok… (#20324) (7847ab7)
• bigtable/accelerator: Dispatch MutateRow and single-row ReadRow… (#20312) (c89f336)
• Update API sources and regenerate (#20369) (bfe3aaf)
• Update sources and regenerate (#20399) (a6b5cdb)

Bug Fixes

• bigtable/internal/transport: Drop redundant defer p.Close() in AFE picker tests (#20311) (c05b767)
• bigtable: Register c2p resolver + RLS balancer for accelerator daemon DirectPath (#20362) (95f372f)
• bigtable: Session client — set AllowNonDefaultServiceAccount on DirectPath dial (#20343) (b9c76ec)
• bigtable: Session client — single ownership + single-flight pool loading (#20368) (f4ad950)
• bigtable: Session pool — re-drive creation after a never-activated close so the consecutive-failure breaker is reachable (#20355) (ee74949)
• bigtable: Use composed user agent as CSM client_name (#20383) (cb02335)