Extremely poor QSettings performance in Qt 5.4 beta - bug?



  • I'm trying out 5.4 beta on Windows, and I've found there's a big problem with QSettings. My application has quite a few settings (about 50 total), and saving them to .ini file now takes 2.5-3 seconds causing UI lockup, while in 5.3.2 it was 160 ms. Can anyone comment on that? Should I report this as a bug?



  • It sounds like a bug to me. You should create a minimal test case and report it.


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