2.11.1

This patch release in the 2.11 series fixes the following issue:

• RUBY-2004 Indicated attempt not always correct

2.10.3

This patch release in 2.10 series fixes the following issues in the driver:

• RUBY-1986 Retry reads in legacy mode on OperationFailure errors that modern mode retries on
• RUBY-1980 Ensure cursor IDs are always encoded as 64-bit integers in BSON for getMore
• RUBY-1988 Ensure cursor IDs are always encoded as 64-bit integers in BSON when using killCursors
• RUBY-2004 Indicated attempt not always correct

2.11.0

This feature release of the Ruby driver for MongoDB adds two major features:

• A background thread in server connection pools to eagerly establish connections up to the minimum pool size
• SRV polling for sharded deployments

This release of the Ruby driver bumps the minimum required Ruby version to 2.3, as well as minimum supported JRuby version to 9.2.

The following notable changes have been made since 2.11.0.rc0:

• RUBY-1955 Log connection ids in command logger
• RUBY-1986 Retry reads in legacy mode on OperationFailure errors that modern mode retries on
• RUBY-1980 Ensure cursor IDs are always encoded as 64-bit integers in BSON for getMore
• RUBY-1988 Ensure cursor IDs are always encoded as 64-bit integers in BSON when using killCursors
• RUBY-1944 Fix background threads such as the Monitor unable to restart once stopped
• RUBY-1344 Accept write concern option in user management helpers
• RUBY-1777 Ensure that getMore right after a resume is retried in changestreams
• RUBY-1913 Fix X509 authentication not working
• RUBY-1945 Prohibit distinct(nil) call as server 4.4 rejects it

2.11.0.rc0

This feature release of the Ruby driver for MongoDB adds two major features:

1. A background thread in server connection pools to eagerly establish connections up to the minimum pool size
2. SRV polling for sharded deployments

This release of the Ruby driver bumps the minimum required Ruby version to 2.3, as well as minimum supported JRuby version to 9.2.

The following notable improvements have been made:

• RUBY-1563 Poll SRV records for mongos discovery
• RUBY-1605 Establish working connections in a background thread
• RUBY-1874 Add "connectionError" as a valid "reason" for a ConnectionCheckOutFailedEvent when connection set up fails
• RUBY-1884 Always wait for background threads to finish when closing resources
• RUBY-1885 Remove wait argument on client/cluster/etc. close/disconnect methods
• RUBY-1905 Indicate which server operations were attempted on and attempt number in driver-surfaced exceptions
• RUBY-1351 Allow unencoded subdelimiters in usernames and passwords
• RUBY-1622 Require Ruby 2.3+ in driver
• RUBY-1899 Drop JRuby 9.1 support
• RUBY-1745 Invalid auth mechanism is not reported until an operation is attempted on the client

The following notable bugs have been fixed:

• RUBY-1935 database#command attempts to retry as retryable read
• RUBY-1911 Average round trip time may become nil during server selection

2.10.2

This patch release in the 2.10 series fixes the following issues:

• RUBY-1935 database#command attempts to retry as retryable read
• RUBY-1911 Average round trip time may become nil during server selection

2.9.2

This patch release in the 2.9 series fixes the following issues:

• RUBY-1935 database#command attempts to retry as retryable read

2.10.1

This patch release in 2.10 series improves diagnostics provided by the driver when operations fail on servers or due to network issues. The following tickets have been fixed:

• RUBY-1905 Indicate which server operations were attempted on and attempt number in driver-surfaced exceptions

2.10.0

This feature release provides support for MongoDB server 4.2 features. The following issues have been addressed since the 2.10.0.rc0 release:

• RUBY-1896 Raise an actionable error message when retryWrites fails due to using an unsupported storage engine
• RUBY-1898 Socket reads may raise Timeout::Error

For complete list of changes since driver version 2.9, please refer to 2.10.0.rc0 release notes.

2.9.1

This bug fix release in the 2.9 series fixes one additional issue discovered since 2.9.1.rc0 release:

• RUBY-1898 Socket reads may raise Timeout::Error

2.10.0.rc0

This is a preview of 2.10.0 release, incorporating the following major new features:

• RUBY-1602 MongoDB 4.2 sharded transactions support
• RUBY-1814 Allow applications to set maxTimeMS for commitTransaction
• RUBY-1708 Support postBatchResumeToken in change streams
• RUBY-1786 Add the ability to specify a pipeline to an update command
• RUBY-1721 Implement database-level aggregation
• RUBY-1836 Finer-grained updates from aggregation via $merge
• RUBY-1822 Support providing certificate chains as client certificates
• RUBY-1823 Support adding multiple CA certificates
• RUBY-1685 Disable TLS renegotiation when possible

The following minor improvements were made:

• RUBY-1860 Standardize on :write_concern for write concern options
• RUBY-1867 Perform another round of server selection if server selector waited and is at deadline
• RUBY-1883 Allow query string in MongoDB URI to start with &
• RUBY-1894 Clear connection pools when monitor ismaster times out
• RUBY-1733 withTransaction() should retry commits after a wtimeout

The following bugs have been fixed:

• RUBY-1876 Can't disable retryable read/writes via URI options
• RUBY-1881 Some URI options are unescaped twice
• RUBY-1830 TLS client cert specification via URI options does not work on JRuby
• RUBY-1825 Collections cannot be listed in Atlas free tier due to system filtering
• RUBY-1840 Legacy write retries are used when modern retryable writes are requested on some operations
• RUBY-1854 Collection read preference not passed to find command
• RUBY-1857 Driver invokes WC#unacknowledged? bypassing string/symbol conversions