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client/v2.6.3

CapSoftware/Capclient/v2.6.3Mar 24, 2026by congqixia

AI Summary

This Go SDK release introduces new APIs for collection management and replication configuration, improves support for nullable fields and TLS configurations, and upgrades dependencies to address security vulnerabilities.

Key Highlights

  • TruncateCollection API
  • GetReplicateConfiguration API
  • Nullable pointer fields in row-based API
  • Per-cluster TLS Config for CDC
  • Timestamptz field type alignment

New Features

  • TruncateCollection API
  • GetReplicateConfiguration API
  • Nullable pointer fields in row-based API
  • Per-cluster TLS Config for CDC
  • Timestamptz field type alignment

Full Release Notes

### New Features

- **TruncateCollection API**: Added `TruncateCollection` method to the Go SDK client, allowing users to quickly remove all data from a collection without dropping and recreating it. Use `NewTruncateCollectionOption(collectionName)` to invoke. (#48361, #47308)

- **GetReplicateConfiguration API**: Added `GetReplicateConfiguration` API for viewing replication topology (with tokens redacted) and `force_promote` field to `UpdateReplicateConfigurationRequest`. Supports strong consistency via `WithFreshRead` option. (#47543)

- **Nullable Pointer Fields in Row-Based API**: Go pointer struct fields (`*string`, `*int32`, etc.) can now represent nullable columns in the row-based data path. A `nil` pointer maps to a NULL value in Milvus; a non-nil pointer dereferences to the actual value. This applies to `ParseSchema`, `AnyToColumns`, `SetField`, `fillData`, and `fillPKEntry`. (#48464)

- **Per-Cluster TLS Config for CDC**: Added `BuildTLSConfig` helper and `TLSConfig` field to `ClientConfig` for mTLS support. CDC `NewMilvusClient` can now read per-cluster TLS config by target cluster ID via `GetClusterTLSConfig(clusterID)`. (#48023)

### Bug Fixes

- **Timestamptz field type alignment**: Fixed `FieldTypeTimestamptz` value from 15 to 26 to match the server. Changed Timestamptz data serialization from `int64` (`TimestamptzData`) to ISO 8601 strings (RFC3339Nano format via `StringData`) as expected by the server. Added `NewColumnTimestamptz` (accepts `[]time.Time`), `ColumnTimestampTzIsoString` (direct ISO string input), and their nullable counterparts. (#47328)

### Improvements

- **OpenTelemetry upgrade to v1.40.0**: Bumped `go.opentelemetry.io/otel` and related packages from v1.34.0 to v1.40.0 to fix CWE-426 (Untrusted Search Path) vulnerability. Also bumps transitive dependencies including `auto/sdk` v1.1.0→v1.2.1, `go-logr` v1.4.2→v1.4.3, and `golang.org/x/sys` v0.38.0→v0.40.0. (#48059)

- **Go version upgrade to 1.24.12**: Upgraded Go from 1.24.11 to 1.24.12 for CVE fixes. (#47562)

- **Proto version bumps**: Updated `milvus-proto/go-api/v2` through v2.6.8 → v2.6.9 → v2.6.10 → v2.6.11 → v2.6.12 → v2.6.13 across this release cycle.

### Dependencies

| Dependency | Previous | Current |
|---|---|---|
| `milvus-proto/go-api/v2` | v2.6.7 | v2.6.13 |
| `go.opentelemetry.io/otel` | v1.34.0 | v1.40.0 |
| `go-logr` | v1.4.2 | v1.4.3 |
| `golang.org/x/sys` | v0.38.0 | v0.40.0 |
| Go | 1.24.11 | 1.24.12 |