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NEWS
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libmongoc 1.25.4
================
Fixes:
* Restore support for Sphinx 1.7.6 for man page build.
libmongoc 1.25.3
================
Fixes:
* Disable shared libmongoc targets if `ENABLE_SHARED=OFF`
* Fix documentation build with Python 3.9.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
libmongoc 1.25.2
================
Fixes:
* Fix data race in `mongoc_cursor_get_host`.
* Accept discouraged timeout values for backwards compatibility.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Ezra Chung
* Kyle Kloberdanz
* Roberto C. Sánchez
libmongoc 1.25.1
================
Fixes:
* Add back support for `BUILD_VERSION` CMake option. `BUILD_VERSION` was unintentionally removed in 1.25.0.
libmongoc 1.25.0
================
Fixes:
* Send `recoveryToken` in transactions when connected to a load balancer.
Improvements:
* Remove optional dependency of libicu.
* Use OP_MSG exhaust for mongod >= 4.2. Enable exhaust cursors for mongos >= 7.1.
* Share cached credentials for SCRAM authentication among all clients to improve performance.
* Use polling monitoring in FaaS environments.
Build Configuration:
* Remove `ENABLE_SRV=AUTO`. Only support boolean values for `ENABLE_SRV`.
Platform Support:
* Support for macOS 10.14 is dropped.
* Support for Ubuntu 14.04 is dropped.
* Support for Debian 8.1 is dropped.
Other:
* The constructed source-distribution archive is no longer available as a
release artifact. Please instead use the per-release repository archive
attached to a GitHub release, or clone the repository at the desired release
tag.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Colby Pike
* Adrian Dole
* Roberto C. Sánchez
* Ezra Chung
* Joshua Siegel
* Kyle Kloberdanz
* Jeremy Mikola
libmongoc 1.24.4
================
Fixes:
* Fix build failure caused by missing `bson-dsl.h` install in libbson.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
libmongoc 1.24.3
================
Fixes:
* Fix possible memory leak on SCRAM authentication failure.
* Fix possible recursive lock on network error in single-threaded client.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Jeremy Mikola
* Roberto C. Sánchez
libmongoc 1.24.2
================
Fixes:
* Fix possible crash if thread creation fails.
* Fix possible assertion if `mongoc_cursor_new_from_command_reply_with_opts` is called with open cursor and no `serverId` option.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
libmongoc 1.24.1
================
Fixes:
* Remove unnecessary assert in bulk API. May result in an abort when creating bulk operations with the `mongoc_bulk_operation_new` API intended for wrapping drivers.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
libmongoc 1.24.0
================
New Features:
* Support MongoDB server version 7.0.
* Support updated Queryable Encryption protocol.
* Introduces backwards breaking changes to the Queryable Encryption protocol. Using Queryable Encryption now requires MongoDB server version 7.0+.
* Support new Queryable Encryption features.
* Add `mongoc_client_encryption_create_encrypted_collection` to automatically create data encryption keys when creating a new encrypted collection.
* Support new security features.
* Add ability to fetch KMS credentials automatically from Azure, GCP, and AWS environments.
* Support authentication with KMS AWS temporary credentials.
* Cache fetched AWS credentials.
* Support AWS IAM Roles for service accounts, EKS in particular.
* Retry operations if the connection handshake fails.
* Add index creation helper: `mongoc_collection_create_indexes_with_opts`.
Fixes:
* Fix default applied credentials for Kerberos with SSPI on Windows.
* Fix possible overcounting in Performance Counters used by `mongoc-stat`.
Language Standard Support:
* C89 support has been dropped. C99 is the default tested C standard.
Platform Support:
* Support for macOS 10.14 will be dropped in an upcoming release.
* Support for Ubuntu 14.04 will be dropped in an upcoming release.
* Support for Debian 8.1 will be dropped in an upcoming release.
Build Configuration:
* The `ENABLE_BSON` configure-time option has been removed. Build scripts that
used `ENABLE_BSON=SYSTEM` should be updated to use `USE_SYSTEM_LIBBSON=TRUE`.
If the build script needs to support building arbitrary versions of the C
driver, add both `ENABLE_BSON=SYSTEM` and `USE_SYSTEM_LIBBSON=TRUE`.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Ezra Chung
* Colby Pike
* Gil Alon
* Kyle Kloberdanz
* Jeremy Mikola
* Andreas Braun
* Kondaiah Valagonda
* Joshua Siegel
* Roberto C. Sánchez
* Romain Geissler @ Amadeus
* bisht2050
* Adrian Dole
libmongoc 1.23.5
================
Fixes:
* Fix potential crash due to insufficient memory when allocating performance counters.
* Fix compilation error on Android platforms due to missing `aligned_alloc`.
* Return an error if `RewrapManyDataKey` is invoked without a `provider` when a `masterKey` is given.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Romain Geissler @ Amadeus
libmongoc 1.23.4
================
Fixes:
* Fix possible failure to authenticate with MONGODB-X509 after network error.
Thanks to everyone who contributed to the development of this release.
* Andreas Braun
* Kevin Albertson
* Kyle Kloberdanz
libmongoc 1.23.3
================
Fixes:
* Better handle malformed `hello` responses
* Handle `connectionId` of type `double`.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Gil Alon
* Kondaiah Valagonda
libmongoc 1.23.2
================
Bug fixes:
* Fix compile on M1 macOS fails due to undeclared function (getpagesize)
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Kyle Kloberdanz
libmongoc 1.22.2
================
* Fix connectivity to Atlas Data Lake
* Additional bugfixes from libbson 1.22.2
Thanks to everyone who contributed to the development of this release.
* Andreas Braun
* Kevin Albertson
* Roberto C. Sánchez
libmongoc 1.23.1
================
Bug fixes:
* Fix connectivity to Atlas Data Lake
* Fix crash when dropping a malformed Queryable Encryption collection.
Thanks to everyone who contributed to the development of this release.
* Andreas Braun
* Kevin Albertson
libmongoc 1.23.0
================
Features:
* Add on-demand Credentials Callback for CSFLE
* Support obtaining AWS credentials for CSFLE in the same way as for MONGODB-AWS
Improvements:
* Reducing Warnings of Misaligned Address of Over-Aligned Types
Bug fixes:
* Do not spawn mongocryptd if mongo_shared shared library is loaded.
Thanks to everyone who contributed to the development of this release.
* Ezra Chung
* Colby Pike
* Kevin Albertson
* Roberto C. Sánchez
libmongoc 1.22.1
================
Bug fixes:
* Fix documentation build when using Sphinx 5.0 or newer
* Update patch release of libmongocrypt to 1.5.2: Fix a potential data
corruption bug in RewrapManyDataKey when rotating encrypted data encryption
keys backed by GCP or Azure key services.
The following conditions will trigger this bug:
A GCP-backed or Azure-backed data encryption key being rewrapped requires
fetching an access token for decryption of the data encryption key.
The result of this bug is that the key material for all data encryption keys
being rewrapped is replaced by new randomly generated material, destroying
the original key material.
To mitigate potential data corruption, upgrade to this version or higher
before using RewrapManyDataKey to rotate Azure-backed or GCP-backed data
encryption keys. A backup of the key vault collection should always be taken
before key rotation.
Other:
* Update to Fedora 37 for RPM builds
* Dependency build of libmongocrypt re-uses the libbson of the depending
libmongoc
Thanks to everyone who contributed to the development of this release.
* Ezra Chung
* Roberto C. Sánchez
* Kevin Albertson
libmongoc 1.21.2
================
Bug Fixes:
* Address vulnerability in bundled zlib by updating to 1.1.12.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Colby Pike
libmongoc 1.22.0
================
Bug fixes:
* Do not auto decrypt before emitting CommandSucceeded events.
Improvements:
* Use OP_MSG if a server API version is requested.
Features:
* Add server connectionId to command monitoring events.
* Add support for the comment field to all helpers.
* Support mongo_shared shared library.
* Support pre-point-in-time change stream events.
* Support Queryable Encryption.
* Support 'let' option for multiple CRUD commands.
* Add Key Management API functions.
Notes:
* The 5.0-compat release (1.18.0) accidentally broke estimatedDocumentCount on views by changing its implementation to use aggregate and a $collStats stage instead of the count command.
* The new release is fixing estimatedDocumentCount on views by reverting back to using count in its implementation.
* Due to an oversight, the count command was omitted from the Stable API in server versions 5.0.0 - 5.0.8 and 5.1.0 - 5.3.1, so users of the Stable API with estimatedDocumentCount are recommended to upgrade their MongoDB clusters to 5.0.9 or 5.3.2 (if on Atlas) or set apiStrict: false when constructing their MongoClients.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Jeremy Mikola
* Colby Pike
* Ezra Chung
* Roberto C. Sánchez
* Jake Molnar
* Jesse Williamson
* Remi Collet
libmongoc 1.21.1
================
Bug Fixes:
* Use static decls for OpenSSL 1.1 polyfills
* Prevent possible crash in _mongoc_cursor_fetch_stream
Thanks to everyone who contributed to the development of this release.
* Jeremy Mikola
* Remi Collet
libmongoc 1.21.0
================
Bug Fixes:
* Addressed VS 2013 build failures due to missing C99 features.
Features:
* Support conditional $merge and $out aggregation on secondaries.
* Bump minimum wire protocol version from 3 (MongoDB 3.0) to 6 (MongoDB 3.6).
* Bump maximum wire protocol version from 14 (MongoDB 5.1) to 15 (MongODB 5.2).
Improvements:
* Update algorithm used for generation of OID values to reduce collisions.
Thanks to everyone who contributed to the development of this release.
* Ezra Chung
* Colby Pike
* Kevin Albertson
* Roberto C. Sánchez
* David CARLIER
* Jeremy Mikola
libmongoc 1.20.1
================
Bug fixes:
* Fix bug where first hello command on a single-threaded client may not include full handshake.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
libmongoc 1.20.0
================
Features:
* Improve multi-threaded performance of client pool.
* Support KMIP as a provider for Client-Side Field Level Encryption (CSFLE).
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Ezra Chung
* Colby Pike
* Jesse Williamson
* Jeremy Mikola
* Kaitlin Mahar
mongo-c-driver 1.19.2
=====================
Announcing libmongoc 1.19.2.
Bug fixes:
* Fix assert on invalid URI options in client pools connected to load balanced clusters when a topology closed callback is registered.
Thanks to everyone who contributed to the development of this release.
--Kevin Albertson
libmongoc 1.19.1
================
It is my pleasure to announce libmongoc 1.19.1.
Bug fixes:
* Permit NULL platform argument in mongoc_handshake_data_append.
* Fix wire version check in server selection when maxStalenessSeconds is specified in read preferences.
* Fix assert on invalid URI options in client pools connected to load balanced clusters.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Ezra Chung
--Kevin Albertson
mongo-c-driver 1.19.0
=====================
It is my pleasure to announce the MongoDB C Driver 1.19.0 release.
This release adds full support for MongoDB 5.0 servers and MongoDB Atlas Serverless Instances.
Features:
* Add full support to connect to MongoDB Atlas Serverless Instances.
* Add support for snapshot reads on a session with mongoc_session_opts_set_snapshot.
* Support the new URI option loadBalanced to connect to a MongoDB cluster behind a TCP load balancer.
Bug fixes:
* Fix the uploadDate set on newly created GridFS files in the mongoc_gridfs_bucket_t API.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Jeremy Mikola
* Benjamin Rewis
* Andreas Braun
* Colby Pike
* Ezra Chung
* Roberto C. Sánchez
* Jesse Williamson
--Kevin Albertson
mongo-c-driver 1.18.0
=====================
It is my pleasure to announce the MongoDB C Driver 1.18.0 release.
This release adds partial support for MongoDB 5.0 servers.
Features:
* Introduces support to select an API version when connecting to a MongoDB instance.
* Supports Azure and Google Cloud Platform as Key Management Service (KMS) providers in Client-Side Field Level Encryption (CSFLE).
* Support "let" option in aggregate command.
* Support time series collections.
* Relax validation for insert and replace documents to support fields containing dots and dollars.
* Expose the reason operations fail document validation.
Bug fixes:
* Forward opts from mongoc_gridfs_bucket_find to underlying find operation.
* Fixes a possible hang when a limited size client pool is waiting for a client to become available in mongoc_client_pool_pop.
Improvements
* Deprecate API containing deprecated terminology.
* Use "hello" command for monitoring servers.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Roberto C. Sánchez
* Andreas Braun
* Clyde Bazile
* Benjamin Rewis
* Jeremy Mikola
* Andrew Witten
* Samantha Ritter
* samantharitter
* Fermín Galán Márquez
* David Carlier
* Colby Pike
* Josh Weinstein
* Pierre Mickael Gonzalo
mongo-c-driver 1.18.0-alpha
===========================
It is my pleasure to announce the MongoDB C Driver 1.18.0-alpha.
This is an unstable prerelease and is unsuitable for production applications.
Features:
* Introduces support to select an API version when connecting to a MongoDB instance.
* Supports Azure and Google Cloud Platform as Key Management Service (KMS) providers in Client-Side Field Level Encryption (CSFLE)
Bug fixes:
* Fixes a possible hang when a limited size client pool is waiting for a client to become available in mongoc_client_pool_pop.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Roberto C. Sánchez
* Clyde Bazile
* Andreas Braun
* Andrew Witten
* Samantha Ritter
* Benjamin Rewis
* Fermín Galán Márquez
* David Carlier
* Josh Weinstein
* Pierre Mickael Gonzalo
mongo-c-driver 1.17.7
=====================
It is my pleasure to announce the MongoDB C Driver 1.17.7.
- Print correct error message when DNS resolution fails
- Mix time to avoid duplicate RAND_bytes for the same PIDs
Thanks to everyone who contributed to the development of this release.
* Andreas Braun
* Jeremy Mikola
--Kevin Albertson
mongo-c-driver 1.17.6
=====================
It is my pleasure to announce the MongoDB C Driver 1.17.6.
Bug fixes:
* Fix possible crash when speculative authentication fails with network error.
Thanks to everyone who contributed to the development of this release.
* Andreas Braun
--Kevin Albertson
mongo-c-driver 1.17.5
=====================
It is my pleasure to announce the MongoDB C Driver 1.17.5.
Improvements:
* Fix documentation regarding when to call mongoc_log_set_handler
Thanks to everyone who contributed to the development of this release.
* Clyde Bazile
* Fermín Galán Márquez
--Kevin Albertson
mongo-c-driver 1.17.4
=====================
It is my pleasure to announce the MongoDB C Driver 1.17.4.
Bug fixes:
* Fix crash on macOS on client pool shutdown.
* Fix spacing in extended JSON output for numberLong.
* Clear error in mongoc_collection_find_and_modify_with_opts on a successful retry.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Samantha Ritter
-- Kevin Albertson
mongo-c-driver 1.17.3
=====================
It is my pleasure to announce the MongoDB C Driver 1.17.3.
Bug fixes:
* Do not send session ID on GSSAPI auth commands.
* Fix build against zlib when zlib is installed in non-standard location.
* Fix build when source directory path contains a space.
* Fix a platform-specific bug causing mongoc_client_pool_pop to block indefinitely if all clients are checked out.
* Fix a possible buffer overflow with hostnames resolving to IPv6 addresses on OpenSSL.
Thanks to everyone who contributed to the development of this release.
* Roberto C. Sánchez
* Kevin Albertson
* Andrew Witten
* gonzalo
-- Kevin Albertson
mongo-c-driver 1.17.2
=====================
It is my pleasure to announce the MongoDB C Driver 1.17.2.
Bug fixes:
* Stop the SRV polling thread when an SRV URI is used to connect to a deployment other than a sharded cluster.
Thanks to everyone who contributed to the development of this release.
* Roberto C. Sánchez
* Kevin Albertson
-- Kevin Albertson
mongo-c-driver 1.17.1
=====================
It is my pleasure to announce the MongoDB C Driver 1.17.1.
Bug fixes:
* Fix SRV/TXT record lookup for DNS records exceeding 1024 bytes.
-- Kevin Albertson
mongo-c-driver 1.17.0
=====================
It is my pleasure to announce the MongoDB C Driver 1.17.0 release.
This release adds support for MongoDB 4.4 servers.
Features:
* Support streamable server monitoring to reduce recovery time when the server topology changes.
* Support the MONGODB-AWS authentication mechanism.
* Support Online Certificate Status Protocol (OCSP).
* Support configuring hedged reads in read preferences.
* Reduce the number of round trips necessary for SCRAM and X509 authentication.
* Monitor servers in parallel when using a mongoc_client_pool_t instead of doing serial scans.
* Support the "hint" option in operations using the update, replace, delete, and findAndModify commands.
* Improve behavior for retryable writes.
* Improve resuming behavior of change streams on server errors.
* Remove restriction of 255 character collection namespaces.
Bug fixes:
* Fix criteria for resumable errors in change streams.
* Fix rare crashes when server is invalidated during authentication.
* Reject client session for mongoc_collection_estimated_document_count.
* Fix behavior of a SecondaryPreferred read preference for exhaust cursor operations against a sharded cluster. Prior to the fix, a nonzero maxStalenessSeconds would not trigger sending the read preference.
* Fix SRV polling. Prior to the fix, SRV polling did not properly apply newly discovered results.
* Fix checks for existing GridFS indexes to handle indexes created by the MongoDB shell.
* Fix possible use of invalidated streams during an unordered OP_QUERY bulk write, and when ending many pooled sessions at client destruction.
* Fix a crash when setting the crl_file TLS option for Secure Channel.
* Avoid emitting duplicate ServerChanged events when no change is observed during monitoring.
* Properly handle large SASL messages instead of erroring.
Notes:
* Deprecated "lib" prefixed artifacts are no longer produced when building on Windows.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Roberto C. Sánchez
* Andrew Witten
* Andreas Braun
* Clyde Bazile
* Josh Weinstein
-- Kevin Albertson
mongo-c-driver 1.17.0 rc0
=========================
It is my pleasure to announce the MongoDB C Driver 1.17.0 rc0 release.
This release adds support for MongoDB 4.4 servers.
Features:
* Support streamable server monitoring to reduce recovery time when the server topology changes.
* Support tlsDisableCertificateRevocationCheck when built with Secure Channel.
Bug fixes:
* Fix criteria for resumable errors in change streams.
* Fix rare crashes when server is invalidated during authentication.
* Improve behavior when reaching out to OCSP responders for certificate revocation checking.
* Reject client session for mongoc_collection_estimated_document_count.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Andrew Witten
* Roberto C. Sánchez
* Clyde Bazile
-- Kevin Albertson
mongo-c-driver 1.17.0 beta2
===========================
It is my pleasure to announce the MongoDB C Driver 1.17.0 beta2 release.
Features:
* Support Online Certificate Status Protocol (OCSP) response caching.
* Support configuring hedged reads in read preferences.
* Reduce the number of round trips necessary for SCRAM and X509 authentication.
* Monitor servers in parallel when using a mongoc_client_pool_t instead of doing serial scans.
* Support OCSP on older versions of OpenSSL (1.0.1+).
Bug fixes:
* Fix behavior of a SecondaryPreferred read preference for exhaust cursor operations against a sharded cluster. Prior to the fix, a nonzero maxStalenessSeconds would not trigger sending the read preference.
* Fix SRV polling. Prior to the fix, SRV polling did not properly apply newly discovered results.
* Fix checks for existing GridFS indexes to handle indexes created by the MongoDB shell.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Roberto C. Sánchez
* Andreas Braun
* Clyde Bazile
* Josh Weinstein
-- Kevin Albertson
mongo-c-driver 1.17.0 beta
==========================
It is my pleasure to announce the MongoDB C Driver 1.17.0 beta release.
Features:
* Support the MONGODB-AWS authentication mechanism.
* Support the Online Certificate Status Protocol (OCSP) for OpenSSL 1.1.0+, Secure Transport, and Secure Channel.
* Support the "hint" option in operations using the update, replace, delete, and findAndModify commands.
* Improve behavior for retryable writes.
* Improve resuming behavior of change streams on server errors.
* Remove an extra round trip for SCRAM authentication.
* Remove restriction of 255 character collection namespaces.
Bug fixes:
* Fix possible use of invalidated streams during an unordered OP_QUERY bulk write, and when ending many pooled sessions at client destruction.
* Fix a crash when setting the crl_file TLS option for Secure Channel.
* Avoid emitting duplicate ServerChanged events when no change is observed during monitoring.
* Properly handle large SASL messages instead of erroring.
Notes:
* Deprecated "lib" prefixed artifacts are no longer produced when building on Windows.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Roberto C. Sánchez
* Andreas Braun
* Clyde Bazile
* Jeremy Mikola
* Sara Golemon
-- Kevin Albertson
mongo-c-driver 1.16.1
=====================
It is my pleasure to announce the MongoDB C Driver 1.16.1.
Bug fixes:
* Fix listed library dependency on mongoc_static target when building with libmongocrypt.
* Replace a call of free to bson_free.
* Vendor Sphinx basic theme and correctly list static files for docs.
* Fix a compilation warning introduced in 1.16.0.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
Peace,
Kevin Albertson
mongo-c-driver 1.16.0
=====================
It is my pleasure to announce the MongoDB C Driver 1.16.0.
Features:
* Support Client-side Field Level Encryption.
* Support ability to pass an index hint to update operations.
* Add cmake export targets.
Bug fixes:
* Fix a bug with Windows SSPI failing to authenticate with GSSAPI when using
pooled clients for certain operations.
* Fix behavior for bulk writes that retry to keep track of the successful server.
* Remove hard limit of 1024 characters for SRV response.
* Fix racy crash when using client pool against a sharded cluster if a server is invalidated shortly before a new socket is opened against it.
* Remove unnecessary library dependencies causing overlinking.
* Ensure server proof has been validated during SCRAM conversation.
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Jeremy Mikola
* Clyde Bazile
* Andreas Braun
* Roberto C. Sánchez
* Samantha Ritter
* Isabel Atkinson
* Kaitlin Mahar
* Diego Barrios Romero
* Sara Golemon
* Vasil Velichkov
* EGuesnet
Peace,
Kevin Albertson
mongo-c-driver 1.15.3
=====================
It is my pleasure to announce the MongoDB C Driver 1.15.3.
Bug fixes:
* Fix a hang on macOS when connecting to a server over TLS
* Add zstd as a dependency when libmongoc static library is compiled with zstd support
* Fix compilation on AIX 6.1
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Samantha Ritter
* EGuesnet
mongo-c-driver 1.15.2
=====================
It is my pleasure to announce the MongoDB C Driver 1.15.2.
Bug fixes:
* Prevent mongoc_transaction_opts_set_max_commit_time_ms from applying to subsequent transactions that should be using the default.
* Do not report the initial error if a retry for a change stream function (mongoc_collection_watch, mongoc_database_watch, or mongoc_client_watch) succeeds
Thanks to everyone who contributed to the development of this release.
* Andreas Braun
* Clyde Bazile
Peace,
Kevin Albertson
mongo-c-driver 1.15.1
=====================
It is my pleasure to announce the MongoDB C Driver 1.15.1.
Bug fixes:
* Fix change stream resume logic when no documents received
* Reduce the required cmake version to build with zstd support
* Minor fixes to mongos pinning logic
* Do not resume a change stream on NonResumableChangeStreamError
Thanks to everyone who contributed to the development of this release.
* Kevin Albertson
* Clyde Bazile
Peace,
Clyde Bazile
mongo-c-driver 1.15.0
=====================
It is my pleasure to announce the MongoDB C Driver 1.15.0. This release adds
support for MongoDB 4.2 features.
Features:
* Support for sharded transactions on MongoDB sharded clusters 4.2+.
* Add convenient transaction runner (mongoc_client_session_with_transaction),
which accepts a callback and performs appropriate retry logic.
* Add a new transaction option to specify maximum time to wait for a commit,
mongoc_transaction_opts_set_max_commit_time_ms.
* Add URI option "retryReads=true" safely and automatically retries certain
read operations if the server is a MongoDB 3.6+.
* Poll SRV records to mongos servers periodically.
* Keep connections alive after a primary stepdown detected.
* Standardizes URI options supported across all spec-compliant MongoDB drivers.
* "retryWrites" URI option now defaults to true (requires crypto for session
support).
* Send any aggregate with $out or $merge stage to a primary.
* Add the ability to specify an aggregate pipeline as an update document.
* Add a database aggregate helper, mongoc_database_aggregate.
* Add option for change streams, "startAfter".
* Add mongoc_change_stream_get_resume_token, which returns the resume token
which should be used to resume a change stream.
* Add support for zstd compression.
Bug fixes:
* Correctly report an error in mongoc_change_stream_next if the resume token
(_id) is not a document. Previously, an error was only reported if the
field was missing.