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August 12, 2026
You can use parameterized views in Bigtable to dynamically filter data ranges for logical views based on application context and mitigate SQL injection risks. This feature is generally available (GA). For more information, see Parameterized views overview.
You can use the CLUSTER_ATTRIBUTE() filter to restrict continuous materialized
view processing to specific clusters. This function lets you isolate views
within an instance. This feature is generally available (GA).
For more information, see Non-deterministic SQL functions.
August 10, 2026
Go
1.52.0 (2026-08-03)
Features
- bigtable: Add AFE picker (Simple / LeastInFlight / LeastLatency) (#20204) (bcbf714)
- bigtable: Add ClientConfig.DisableSession to opt out of session backend (#20297) (7ee5e44)
- bigtable: Add getClientConfigDirectAccessChecker for session pools (#20209) (3b8d30a)
- bigtable: Add NoOpChannelPrimer for session channel pools (#20208) (d055a8a)
- bigtable: Add per-AFE sessionList for the two-tier session pool (#20224) (dbf0c3f)
- bigtable: Add protoRowToRow conversion helper for TableShim (#20257) (1297143)
- bigtable: Add Session debug surface (observability fields + methods) (#20211) (d8d3e16)
- bigtable: Add Session lifecycle (Start, Close, ForceClose, readLoop, heartBeatLoop) (#20215) (b9e53c6)
- bigtable: Add Session struct + state machine (#20117) (09acbb3)
- bigtable: Add session.Config.EnableDebug to gate sessionz debug state (#20247) (ce74c31)
- bigtable: Add SessionClient + SessionTable + lazyPool (#20228) (ab2c96c)
- bigtable: Add SessionPoolImpl (two-tier pool + scaling + debug) (#20225) (683eda8)
- bigtable: Rename session pool display to <resource-id>-<PERM> (#20248) (35e146e)
- bigtable: Route Client.Open()-returned *Table through the Diverter (#20273) (2b81c7d)
- bigtable: State-based classification for abnormal session close (#20243) (f2905b7)
- bigtable: TableShim fallback to classic on session UNIMPLEMENTED (#20269) (36540af)
- bigtable: TTL-on-idle cache for per-resource session.TableAPI (#20263) (00b2a49)
- bigtable: Wire Diverter on Client and route Open* via TableShim (#20256) (b32fbd7)
Bug Fixes
- bigtable: AFE picker latency signal — subtract poolWait and compute TransportLatency = wire − backend at source (#20281) (bb8c4d5)
- bigtable: Guard NewStream OnFinish against grpc-go double-fire (#20295) (b51da29)
- bigtable: Real per-resource pool teardown on sessionTable.Close + cache close-race gate (#20264) (599aea9)
- bigtable: Session.durations / session.uptime — set explicit histogram bucket boundaries (#20276) (97eee22)
- bigtable: SessionTableHandle self-heals across cache eviction (#20296) (0dd98cd)
- bigtable: Translate ctx errors to gRPC status on session vRPC (#20299) (0f3b2a5)
- bigtable: Treat PingAndWarm NotFound as a successful prime (#20219) (a1557ad)
Performance Improvements
July 30, 2026
You can use Bigtable as a remote storage backend for LMCache. By storing the large language model (LLM) key-value (KV) cache externally in Bigtable, multiple AI serving instances can share and reuse precomputed attention tensors. This reduces compute overhead and significantly improves time-to-first-token (TTFT) for repeated prompts and shared documents. This feature is in Preview.
July 29, 2026
You can use the Google Cloud console to manage row key schemas for your Bigtable tables. This feature is in Preview.
July 27, 2026
The Bigtable remote MCP server supports the Bigtable Data API, which
provides the execute_sql tool that you can use to query Bigtable data using
natural language prompts. This feature is
generally available (GA).
For more information, see
Use the Bigtable remote MCP server.
Go
1.51.0 (2026-07-23)
Features
- bigtable: Add ChainInterceptors and RetryingVRpc for vRPC pipeline (#20185) (c7a832a)
- bigtable: Add ClientConfigurationManager (#19986) (3a8f927)
- bigtable: Add debug tag counter (recordDebugTag / assertDebugTag) (#20114) (3c97590)
- bigtable: Add lazyPool helper for on-demand session pool opening (#20182) (f6ae3fb)
- bigtable: Add PeakEwma continuous time-decay latency tracker (#20187) (9d124ef)
- bigtable: Add PoolSizer for server-driven session pool capacity (#20189) (57ebbeb)
- bigtable: Add session package with SessionClient + SessionTableAPI interfaces (#20180) (4b82fd2)
- bigtable: Add Session primitives (AttemptOutcome, vRPC ctx, msgtype) (#20116) (e1011e2)
- bigtable: Add Session state enum (#19981) (0748972)
- bigtable: Add SessionThrottler / AdaptiveSessionThrottler for OpenSession pacing (#20184) (02e3c6d)
- bigtable: Add SessionThrottler / AdaptiveSessionThrottler for OpenSession pacing (#20184) (29be83e)
- bigtable: Add sessionTracer for per-Session lifecycle + vRPC metrics (#20190) (a466345)
- bigtable: Enable new auth library and JWT for instance admin client (#20013) (21c4a44)
- bigtable: Modularize channel priming behind a ChannelPrimer interface (#20027) (5214ab7)
- bigtable: Modularize Direct Access compatibility check (#19987) (a25e93d)
- o11y: Regenerate clients for LRO tracing (#20107) (779074e)
Bug Fixes
July 14, 2026
AI agents can use the list_hot_tablets Model Context Protocol (MCP) tool
to programmatically query Bigtable cluster health to isolate resource-intensive
tablets (hot tablets) and detect overutilized node CPUs. This feature is
generally available (GA).
July 09, 2026
You can use the Bigtable client library for Go to execute read jobs and queries using Data Boost.
July 07, 2026
You can bind existing tags to Bigtable instances when you create an instance and use policies to enforce mandatory tag assignments. This feature is generally available (GA). For more information, see Create an instance.
The Bigtable agent skill (bigtable-basics) is
generally available (GA)
in the public Google Agent Skills repository.
This skill lets you equip AI agents with capabilities for Bigtable tasks, such as
provisioning instances and tables, designing schemas, querying data using
GoogleSQL and key-value APIs, and diagnosing performance issues or hotspots.
You can use Organization Policy Service custom constraints to manage specific operations on continuous materialized views. This feature is generally available (GA). For more information, see Use custom organization policies.
July 06, 2026
Bigtable supports direct connectivity, which bypasses the Google frontend and optimizes performance for application traffic that meets certain criteria. For more information, see Direct connectivity.
June 24, 2026
You can create hot backups and modify all backups in Bigtable Studio. For more information, see Manage backups.
June 22, 2026
Go
1.50.0 (2026-06-17)
Features
- bigtable: Enable JWT (#19957) (af93528)
- bigtable: Generate Admin API client using selective gapic (#19962) (a37509d)
- bigtable: Refactor channel_pool_factory as we need to maintain two channel factory one for session and another for unary (#14652) (0c0b6ce)
- bigtable: Wrap admin client (#14534) (0bea4ba)
- Update API sources and regenerate (#19950) (c7607be)