1.88.0 (2026-07-06)

Features

• auth: Add support for Regional Access Boundaries (#13499) (b721e43)
• automate libraries-bom tag and release creation on release publish (#13655) (7a7e2ff)
• bigquery-jdbc: add EnableProjectDiscovery connection property for metadata methods (#13344) (ab9669a)
• bigquery-jdbc: migrate statement execution thread tracking to connection-scoped executor (#13454) (341e51a)
• bigquery-jdbc: respect standard JVM trustStore properties by default (#13435) (7af3224)
• bigquery-jdbc: support connection-scoped executor isolation and dynamic queue warnings (#13413) (79e26b8)
• bigquery: add internal listProjects API to core client (#13429) (3580407)
• bigtable: route point read rows to shim (#13542) (2c7e5f5)
• deps: add jspecify to shared dependencies (#13412) (582053d)
• enable self-signed JWTs by default in ServiceOptions (#13338) (110d2b7)
• gapic-generator: Add NullMarked annotation to generated classes (#13517) (825dadd)
• google/cloud/agentregistry/v1: onboard a new library (#13509) (6728816)
• scale up connection worker pool based on latency (#13384) (eb379b3)
• spanner: add settings for gRCP keep-alive (#13643) (9d78307)
• spanner: auth login support for Spanner Omni endpoints (#13470) (55930b4)
• storage: add checksum validation in the json read channel (#13270) (872d7b7)
• storage: add checksum validation on json read paths (#13269) (396b042)
• storage: add full object checksum validation for bidi flow (#13266) (9113d80)
• storage: add full object checksum validation for grpc flow (#13265) (a5ba606)
• storage: Adding CumulativeHasher wrapper class for Full object … (#13239) (bd40324)
• storage: adding disabling option for bidi reads (#13506) (591cae0)
• storage: log additional bytes received from GCS in read path (#13427) (9492aa2)
• storage: update compose sample to support deleteSourceObjects option (#13493) (50a8658)
• use self-signed JWTs in Spanner MutableCredentials (#13381) (29543a2)

Bug Fixes

• auth: Fix UserCredentials serialization clientSecret leak (#13465) (2d9d01c)
• auth: handle missing APPDATA on Windows gracefully (#13471) (77e84a9), closes #12565
• bigquery-jdbc: add proper version to BigQueryDriver (#13294) (9fd84fc)
• bigquery-jdbc: avoid rollback on statement close in manual commit mode (#13503) (79bbee1)
• bigquery-jdbc: correct FilterTablesOnDefaultDataset fallback logic (#13625) (f7eb23d)
• bigquery-jdbc: ensure largeResults are handled in PreparedStatement (#13496) (d3e7a19)
• bigquery-jdbc: ensure test uses unique dataset & cleans up (#13587) (a6bb362)
• bigquery-jdbc: explicitly set location when available for temporary dataset (#13508) (40cd0a7)
• bigquery-jdbc: propagate connection proxy settings to auth library (#13539) (87dda5d)
• bigquery-jdbc: shade org.slf4j (#13547) (7ef1312)
• bigquery-jdbc: update format validation tests to create tables for the test (#13588) (4bb3a61)
• bigquery-jdbc: update Maven Central artifact link in the README (#13563) (8707a65)
• bigquery: retry cancel job and routine creation on transient HTTP 5xx errors (#13416) (35eb041)
• bigquery: route JOB_CREATION_REQUIRED through fast query path (#13437) (64cde7f)
• bigquery: Update fast query path to allow jobTimeoutMs in the request (#13502) (1a6f4d5)
• bigtable: honour session_load override when server-returned session_load is 0 (#13629) (b56f9b8)
• bqjdbc: pass rowsInPage with TableResult (#13238) (203a91e)
• ci: build dependencies before convergence check (#13638) (9de3209)
• ci: ignore SNAPSHOT suffix in flatten-plugin check (#13639) (bb65627)
• ci: skip existing-versions-check for gapic-generator-java-root (#13590) (a1f3b8a)
• datastore: Configure TraceExporter with Datastore credentials in E2E tests (#13627) (d281a62)
• datastore: disable built-in OpenTelemetry SDK when metrics export is disabled (#13543) (53b7142)
• deps: update dependency com.google.apis:google-api-services-bigquery to v2-rev20260612-2.0.0 (#13570) (ca5ff79)
• deps: update dependency com.google.apis:google-api-services-dns to v1-rev20260616-2.0.0 (#12796) (0dd60ca)
• deps: update dependency com.google.cloud:google-cloud-pubsub-bom to v1.151.0 (#12097) (d169006)
• deps: update dependency com.google.cloud:libraries-bom to v26.84.0 (#12663) (95c7774)
• deps: update first-party storage dependencies to v1-rev20260524-2.0.0 (#13406) (bdeedb8)
• exclude java-vertexai from existing versions check (#13632) (edaa4e3)
• fallback on VPC (#13567) (e8c428d)
• java-cloud-bom: execute pre-install pass in GHA release notes generator (#13608) (c365c10)
• release: check remote tags using git ls-remote to prevent already exists error (#13574) (6cf0567)
• spanner: fail fast when inline-begin DML returns no transaction id (#13536) (94315ce)
• spanner: pin inline read-write transactions to default endpoint (#13562) (6908dee)
• spanner: remove explicit tink version to resolve dependency convergence conflict (#13602) (863c26e)
• spanner: update dynamic channel pool default configuration (#13646) (37b77c3)

Dependencies

• Add org.bouncycastle:bcprov-jdk18on to java-shared-dependencies (#13531) (e3d2082)
• auth: Update commons-codec to v1.18.0 (#13598) (fd89957)
• Update gapic-showcase to v0.41.0 (#13582) (09faaac)
• Upgrade google-http-client to v2.1.1 (#13578) (6abef19)

Documentation

• add instructions for manual code generation checks in CI (#13596) (f6162e2)