This is our third point release for our stable 0.12 series. Followed fixes were added:

• [buildpkg] remove broken symlink #233
• [buildpkg] fix logic error #233
• [util-iso-image] add support for qt5-styleplugins and qt5ct
• [util-iso-image] update qt5ct setup
• [util-iso-image] qt vars: add deepin, avoid double entry
• [util-iso-image] configure environment in custom image