Minecraft wiki entry for Development_versions, associated text: Fixed bugs related to links and UNC folder paths.
Fixed missing Bootstrap version information on the version page.
MCL-5451: Long text on gray buttons is not centered and moves when hovering over it.
MCL-5569: Launcher does not open a window after being opened.
MCL-5642: UNC path game directory not supported.
MCL-8418: Won't launch minecraft on already existing .minecraft.
MCL-10094: Profiles are in wrong order if there are more than ten entries in the list.
MCL-10135: Launcher does not sort profiles correctly.
MCL-10279: Launcher can't start if the .minecraft folder in appdata is a symlink.
MCL-10476: Can't use hard link in custom java executable path.
MCL-10479: Beta Launcher breaks on 404 Error for non-Mojang-hosted jars.