I've just start upgrade world and qt-creator build failed. I suppose it related with LLVM and Clang upgrade to version 10 (which are stable now). Reproducible: Always
Created attachment 647194 [details] build.log
*** This bug has been marked as a duplicate of bug 711788 ***
(In reply to Andreas Sturmlechner from comment #2) > > *** This bug has been marked as a duplicate of bug 711788 *** I suppose, the main problem here is that a currently stable packages are incompatible.