qtbase-opensource-src (5.15.6+dfsg-4) unstable; urgency=medium

  * Revert upstream commit which caused graphical glitches in some apps.
    Backport upstream patch to fix the original issue in a better way.
    Thanks to Alexander Kernozhitsky and Alexis Murzeau for the pointers!
    (closes: #1022748, #1023580)
  * Upload to unstable.

[dgit import unpatched qtbase-opensource-src 5.15.6+dfsg-4]

Import qtbase-opensource-src_5.15.6+dfsg-4.debian.tar.xz

[dgit import tarball qtbase-opensource-src 5.15.6+dfsg-4 qtbase-opensource-src_5.15.6+dfsg-4.debian.tar.xz]

Import qtbase-opensource-src_5.15.6+dfsg.orig.tar.xz

[dgit import orig qtbase-opensource-src_5.15.6+dfsg.orig.tar.xz]