3.52.0 (2025-02-19)

Features

• Add additional opentelemetry span events for session pool (a6811af)
• Add GCP standard otel attributes for python client (#1308) (0839f98)
• Add updated span events + trace more methods (#1259) (ad69c48)
• MetricsTracer implementation (#1291) (8fbde6b)
• Support GRAPH and pipe syntax in dbapi (#1285) (959bb9c)
• Support transaction and request tags in dbapi (#1262) (ee9662f)
• x-goog-spanner-request-id: Introduce AtomicCounter (#1275) (f2483e1)

Bug Fixes

• Retry UNAVAILABLE errors for streaming RPCs (#1278) (ab31078), closes #1150
• tracing: Ensure nesting of Transaction.begin under commit + fix suggestions from feature review (#1287) (d9ee75a)
• tracing: Only set span.status=OK if UNSET (#1248) (1d393fe), closes #1246
• Update retry strategy for mutation calls to handle aborted transactions (#1279) (0887eb4)