• Add shutdown() for context_t
• Typesafe context options
• Typesafe socket options
• Better C++ standard detection
• CMake fixes and improvements
• Multipart message encoding and decoding
• Fix (unlikely) UB in message_t constructor
• Improved poll() overloads
• Require non-null handlers to active_poller
• Fix socket move assignment bug
• Deprecate surprising message_t constructor from string literals