This is mainly a bug fix release although it includes some minor features enhancements. Release notes are at https://github.com/Duet3D/RepRapFirmware/wiki/Changelog-RRF-3.x#reprapfirmware-362.
Users running Duets in standalone mode can use the files here. Users running with attached Single Board Computer should upgrade from the stable feed of the package server.
The WiFi files have not changed since the previous stable release.