The https://iocp.magicsplat.com%|%iocp%|% extension implements a framework for implementing Tcl channels using I/O completion ports on Windows. The following packages are built on top of this framework: * [Package iocp_inet%|%iocp_inet%|%] High performance TCP/IP sockets * [Bluetooth channels on Windows%|%iocp_bt%|%] Bluetooth sockets 2021-06-12 iocp 1.1.0 released. * enable lazy loading of Bluetooth so TCP sockets can still be used on servers without Bluetooth libraries installed * fixed crash in Bluetooth asynchronous connect * fixed reversed sense of -nagle option to TCP sockets