What's New

Supports the Client-Side Operations Timeout (CSOT) feature, which unifies most timeout-related options under a single timeout_ms option.

Supports MongoDB Server version 8.0.

Support for range v2 queries with Queryable Encryption, including a new trim_factor parameter. For more information about Queryable Encryption, see Queryable Encryption in the MongoDB Server manual.

Discontinues support for Ruby 2.5 and 2.6. Deprecates support for Ruby 2.7 and JRuby 9.2, which will be discontinued in the next minor driver version. Adds support for JRuby 9.4.

Supports the newly-released Ruby-BSON version 5.0.

Allows connection strings without a slash between the hosts and the options. For example, mongodb://example.com?w=1 and mongodb://example.com/?w=1 are both valid connection strings now.

Sends container runtime and orchestration metadata for the client environment to the server for analytics purposes.

Writes a warning message to the log when detecting the host as a CosmosDB (Azure) or DocumentDB (Amazon) instance.

Attempts retries of read or write operations on a different mongos instance in a sharded topology, if possible.