Minecraft wiki entry for Development_versions, associated text: Fixed problems launching beta versions of Forge.[4][5]
Fixed patch note link leading to the incorrect page.
Fixed taskbar icon and WM class on linux.
Fixed crash report not showing up immediately if launcher was re-opened on game crash.
Fixed unapproved languages not showing up in the beta launcher.[5]
MCL-10996 – Some languages are not available in the launcher
MCL-11027 – Beta launcher: cannot launch 1.7.10
MCL-11038 – Dropdown arrow moves down when width is too small
MCL-11039 – When on the login screen, pressing tab after entering username selects "?" instead of password field