# 0.4.0 (July 16)
* [BUGFIX] EventLoop::register requests all events, not just readable.
* [BUGFIX] Attempting to send a message to a shutdown event loop fails correctly.
* [FEATURE] Expose TCP shutdown
* [IMPROVEMENT] Coalesce readable & writable into `ready` event (#184)
* [IMPROVEMENT] Rename TryRead & TryWrite function names to avoid conflict with std.
* [IMPROVEMENT] Provide TCP and UDP types in mio (path to windows #155)
* [IMPROVEMENT] Use clock_ticks crate instead of time (path to windows #155)
* [IMPROVEMENT] Move unix specific features into mio::unix module
* [IMPROVEMENT] TcpListener sets SO_REUSEADDR by default