** Bug
* [PHPC-1038] - "documents" key in "command" in APM's commandStarted for "insert" is missing
* [PHPC-1043] - phongo_execute_query() may leak cursor struct on error
* [PHPC-1049] - Build warnings with CLang/LLVM
* [PHPC-1050] - Advancing a new command cursor to check for an error may invoke getMore
* [PHPC-1053] - UTCDateTime constructor reports that its single argument is required
* [PHPC-1057] - Refactor option parsing for execute methods
* [PHPC-1067] - BSON document produces driver segfault
* [PHPC-1072] - phongo_execute_command() leaks BSON reply on error
* [PHPC-1092] - Infinite loop iterating BSON object properties with foreach
* [PHPC-1093] - Bound checking on 32-bit platforms for APM's duration_micros
* [PHPC-1096] - Driver fails to build with libmongoc's bundled zlib
* [PHPC-1104] - pecl package misses zlib sources

** Epic
* [PHPC-934] - PHPC MongoDB 3.6 Support

** New Feature
* [PHPC-834] - Add Read, ReadWrite, and Write command execute methods
* [PHPC-967] - Add support for reading and writing OP_COMPRESSED
* [PHPC-975] - Array Update Improvements
* [PHPC-979] - OP_MSG support
* [PHPC-980] - Implement Drivers Sessions API
* [PHPC-986] - All writes retryable support
* [PHPC-987] - Causally Consistent Reads support
* [PHPC-993] - Parse localLogicalSessionTimeoutMinutes from isMaster response
* [PHPC-1015] - Implement Initial DNS Seedlist discovery spec
* [PHPC-1027] - Introduce classes for deprecated BSON types
* [PHPC-1029] - Support maxTimeMS getMore option for tailable command cursors
* [PHPC-1042] - Support options array for BulkWrite, Command, and Query execute methods
* [PHPC-1109] - Support batchSize getMore option for command cursors

** Task
* [PHPC-227] - Mongo Orchestration should restart when Vagrant test VM boots
* [PHPC-599] - Document 32-bit platform limitation for Timestamp arguments
* [PHPC-995] - Drop support for MongoDB 2.4
* [PHPC-1003] - Use container environment for Travis CI builds
* [PHPC-1013] - Test Driver Wire Version Overlap logic
* [PHPC-1024] - Document BSON exceptions for Cursor iteration
* [PHPC-1035] - Improve server compatibility error messages for wire version checks
* [PHPC-1036] - Update test suite for MongoDB 3.6
* [PHPC-1037] - Upgrade bundled libmongoc and libbson to 1.9
* [PHPC-1039] - Non data-bearing servers must be excluded when determining if a cluster supports sessions
* [PHPC-1047] - Add MongoDB 3.6 to test framework
* [PHPC-1048] - Rename phongo_execute_write to phongo_execute_bulk_write
* [PHPC-1055] - Improve docs for linking correct version of OpenSSL on macOS
* [PHPC-1065] - Enable BSON corpus tests for deprecated types
* [PHPC-1069] - Enable Coverity scans for the driver
* [PHPC-1070] - Create macro for accessing zval class or type name
* [PHPC-1077] - Fix X509 test failures with libmongoc 1.9.0 and MongoDB 3.6
* [PHPC-1078] - Create constant for available read concern level
* [PHPC-1079] - Document that jsonSerialize() returns legacy extended JSON
* [PHPC-1080] - Document new (deprecated) BSON classes
* [PHPC-1081] - Investigate Fedora build failures for 1.4.0beta1
* [PHPC-1082] - Add a PHP version check to config.m4
* [PHPC-1084] - Upgrade switch/case fallthrough comments to use GCC 7's new attribute
* [PHPC-1097] - Report libmongoc's compression engines in phpinfo() output
* [PHPC-1098] - Fix test failures due to floating point precision
* [PHPC-1100] - Fix test failures when driver is compiled without SSL

** Improvement
* [PHPC-709] - Debuglog timestamp does not contain micro/nanoseconds
* [PHPC-888] - Support additional TLS libraries for bundled libmongoc
* [PHPC-969] - Have TCP keepalive default to true
* [PHPC-1031] - Run configure check to use ASN1_STRING_get0_data over ASN1_STRING_data in bundled libmongoc
* [PHPC-1071] - Report class name in exception for unexpected object values