v2.1.2

What's Changed

• Fix delete with varchar primary key by @letian-jiang in #302
• Add retry mechanism for retryable error codes by @jaime0815 in #303
• To compatiable with auth interceptor for Grpc opts by @jaime0815 in #304
• add client tracing interfaces by @Zach41 in #306
• Fix bug: collection cache missed caused by empty collectionName by @czs007 in #313
• Return shardNum in DescribeCollection by @wayblink in #308

New Contributors

• @jaime0815 made their first contribution in #303
• @wayblink made their first contribution in #308

Full Changelog: v2.1.1...v2.1.2