1.21.0 (2023-12-04) Features bigtable: Add support for reverse scans (#8755) (244d135) bigtable: Support copy backup in admin client (#9005) (834c47f) Bug Fixes bigtable: Bump google.golang.org/api to v0.149.0 (8d2ab9f) bigtable: Return cluster error for Update when populated (#8657) (2105434) bigtable: Update golang.org/x/net to v0.17.0 (174da47) bigtable: Update grpc-go to v1.56.3 (343cea8) bigtable: Update grpc-go to v1.59.0 (81a97b0)