Improvement
[CPP-4149 ] - Add info about SIGPIPE Linux signal for SSL connections
[CPP-4139 ] - Improve the detection of connection issues when a ResendRequest with a large gap range is processed
[CPP-4134 ] - Avoid a concurrent call of the ISessionListener::onStateChange(..) callback
[CPP-4131 ] - TCPDirect connections should not try to get the remote hostname by DNS
[CPP-4127 ] - Remove inheritance from the std::iterator in iterator classes
[CPP-4120 ] - Add info about linker issues with FieldValueRef when a non-C++17 package is used with the C++17 standard
[CPP-4110 ] - Make public headers self-contained with WIN32_LEAN_AND_MEAN defined
[CPP-4106 ] - BREAKING CHANGE: Use SecureString object to set a password for the private key
[CPP-4086 ] - Add a warning when HeartBtInt < 0 in an incoming Logon
[CPP-4082 ] - Add "TCPDirect for Acceptor Sessions" article
[CPP-4055 ] - Make the throttling functionality more stable and predictable
[CPP-4050 ] - Add a note about the call order of pluggable storage methods
[CPP-4028 ] - Provide more details about the ISessionStorage interface and its parameters
[CPP-4021 ] - Migrate to OpenSSL 1.1.1 on Windows
[CPP-4012 ] - Add ISessionStorage::warmup
[CPP-4011 ] - Add a note about hugepages to the "Solarflare TCPDirect" article
[CPP-3989 ] - Add an ability to create/convert Timestamp objects from/to Unix timestamp
[CPP-3936 ] - Add an optional timeout parameter to the Session::sendTestRequest() method
[CPP-3902 ] - Describe Message pretty print methods
[CPP-3782 ] - Log when the session is registered and unregistered with the scheduler
[CPP-3739 ] - Add the "Controlling outgoing message flow" article
[CPP-3712 ] - Add a "Memory Consumption" article.
[CPP-3704 ] - Support the "remove" mode for the "Message" XML dialect node
[CPP-3559 ] - Throw an exception when try to remove non-registered session from SessionScheduler
Task
[CPP-4146 ] - Add the latest EP272 dictionary to the engine package
New Feature
[CPP-4094 ] - Support SSL functionality on RHEL9 and Ubuntu 22.04
[CPP-4060 ] - Certificate verification diagnostics
[CPP-4036 ] - Method to get the range of sent messages from the session storage
[CPP-3995 ] - EngineSettings::scrambleLogonFields(..) setting
[CPP-3758 ] - Field and Group iterators for FlatMessage
[CPP-3087 ] - Zero-Copy TCP batch sending
Bug
[CPP-4070 ] - Incorrect SenderCompID and TargetCompID of a routed FIX message when DeliverToCompID is used
[CPP-4025 ] - SequenceReset message can contain AppVerID<1128> tag
[CPP-3993 ] - Unexpected behavior when the reply to the initial Logon with ResetSeqNumFlag=Y is not received