2.0.12 - released 2021-04-01

Changelog

Fixed support for new GitHub OAuth token format (#9757)
Fixed support for Vagrant/VirtualBox filesystem slowness by adding short sleeps in some places (#9627)
Fixed unclear error reporting when a package is in the lock file but not in the remote repositories (#9750)
Fixed processes silently ignoring the CWD when it does not exist
Fixed new Windows bin handling to avoid proxying phar files (#9742)
Fixed issue extracting archives into paths that already exist, fixing problems with some custom installers (composer/installers#479)
Fixed support for branch names starting with master/trunk/default (#9739)
Fixed self-update to preserve phar file permissions on Windows (#9733)
Fixed detection of hg version when localized (#9753)
Fixed git execution failures to also include the stdout output (#9720)