fp.bat: use vswhere to find vcvarsall.bat Fixed a possible crash with certain fonts when shaping strings consisting only of control characters qt/qtbase/commit/fccd419dd632306a4bd85928223e0a56a59510ef Unicode: fix the extended grapheme cluster algorithm qt/qtbase/commit/be0aa6a9a230dc98994cb65d97b76be7ae695a44 Fix handling of surrogates in QBidiAlgorithm qt/qtbase/commit/94ce755dcd823678b0338f4bb4149fe4eeb844c2