Bug

• [PHPC-348] - Check for errors after calling bson_to_zval()
• [PHPC-889] - BSON decoding errors for Javascript scopes only thrown at access time
• [PHPC-1351] - executeBulkWrite() does not use bulk OP_INSERT when w=0
• [PHPC-1446] - Always enable TLS when any TLS option is specified
• [PHPC-1453] - SRV record lookup fails if DNS response exceeds 1024 characters
• [PHPC-1520] - Windows compiler warnings building extension with libmongocrypt
• [PHPC-1526] - Forking session test has intermittent failures on SHARDED_CLUSTER_RS
• [PHPC-1540] - Investigate segmentation fault when using keyVaultClient in AutoEncryptionOpts

Epic

• [PHPC-1293] - Support Client-side Field Level Encryption (FLE)

New Feature

• [PHPC-1230] - Support object cloning for BSON classes
• [PHPC-1462] - Support ability to pass hint to update
• [PHPC-1491] - Add ReadPreference::getModeString
• [PHPC-1496] - Support compiling with libmongocrypt
• [PHPC-1497] - Introduce new configure switch to use system libraries
• [PHPC-1498] - Handle autoEncryptionOpts in MongoDB\Driver\Manager
• [PHPC-1499] - Add clientEncryption API
• [PHPC-1500] - Change serialisation of objects for client hash
• [PHPC-1539] - Create new exception classes for FLE

Task

• [PHPC-952] - Refactor BSON type initiators for unserialization visitors
• [PHPC-1002] - Test regularly with C Driver release or release candidate
• [PHPC-1073] - Remove superfluous php_array_exists calls where possible
• [PHPC-1074] - Refactor php_phongo_bson_state struct initialization for debug output
• [PHPC-1269] - Document that BulkWrite instances may only be executed once
• [PHPC-1279] - Improve documentation for Cursor::isDead()
• [PHPC-1312] - Advise users to use 64-bit environments if possible
• [PHPC-1314] - Document that users may need to copy libsasl.dll to lib path for Windows installs
• [PHPC-1343] - Add test to catch inaccessible server when running tests
• [PHPC-1372] - Re-enable ARM64 builds in Evergreen matrix
• [PHPC-1424] - Inform users that mongodb.debug output contains sensitive information
• [PHPC-1426] - Update stubs for PhpStorm
• [PHPC-1430] - Deprecate obsolete driver options
• [PHPC-1438] - Expose more precise session state
• [PHPC-1445] - Make find commands for collecting libmongoc sources portable between Linux and macOS
• [PHPC-1449] - Resync bson-corpus array.json to fix duplicate test names
• [PHPC-1450] - Document rules by which TLS is implicitly enabled
• [PHPC-1461] - Remove Community zSeries From 4.0 testing
• [PHPC-1470] - Remove unnecessary timezone settings in tests
• [PHPC-1471] - Clean up reference handling in Javascript scope serialisation
• [PHPC-1472] - Prevent multiple exceptions from being thrown during manager serialisation
• [PHPC-1492] - Remove conditional EXPECTF patterns in UTCDateTime tests
• [PHPC-1532] - Document client-side encryption functionality
• [PHPC-1546] - Ensure Windows builds enable SASL and FLE

Improvement

• [PHPC-870] - Consider using ZEND_HASH_FOREACH indirect macros for iteration
• [PHPC-966] - Explicitly initialize fields for internal class structs
• [PHPC-991] - Handle duplicates in URI options array
• [PHPC-1274] - Reset libmongoc client after forking to avoid interacting with parent resources in child processes
• [PHPC-1281] - Serialization support for ReadConcern, ReadPreference, and WriteConcern
• [PHPC-1284] - Driver session pools must be cleared after forking
• [PHPC-1347] - Do not allow empty string for replicaSet
• [PHPC-1391] - Prohibit starting a transaction for maxWireVersion < 7
• [PHPC-1411] - Accept 64-bit integers for wTimeoutMS
• [PHPC-1418] - Test PHP 7.3 in Evergreen
• [PHPC-1439] - Expose transaction options on session object
• [PHPC-1459] - Add serialisation support for CursorId
• [PHPC-1521] - Only warn in config.w32 if SASL is enabled but not available
• [PHPC-1545] - Require object or array type for "kmsProviders" option

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