(In reply to mohammdajavad khodabandeloo from comment #5) > (In reply to Stefan Dirsch from comment #4) > > I think you need to enable TearFree here. > > Why did this problem occur to me? > Did this problem just happen to me? It should happen to everyone. At least with Intel GPU, same desktop and same desktop settings. > Why was this not a problem in the previous version? Sure it was not? > Is this a problem with the Intel driver or even mesa? Well, tearfree is not enabled by default. Therefore I asked you to enable it and give this setting a try.