Package: libqt5gui5
Version: 5.15.6+dfsg-2
Severity: important
X-Debbugs-Cc: sh200...@mail.ru

Control: notfound -1 5.15.4+dfsg-5
Control: found -1 5.15.6+dfsg-2

Attaching the example project. There are two buttons that preform some actions
with the second window: Show does show(), and Hide does hide() + show() +
hide().

If you compile the project and first press Hide, then press Show, then the
second window won't be shown again.

The expected result is that the second window will reappear after pressing
Show.

This is a regression in 5.15.6+dfsg-2 since 5.15.4+dfsg-5 works just fine in
this case.

The bug is only reproducible under X, and Wayland is not affected.

Currently, this bug breaks code completion in ktexteditor and its dependencies
(Kate, KDevelop etc.)


-- System Information:
Debian Release: bookworm/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.19.0-2-amd64 (SMP w/16 CPU threads; PREEMPT)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8), LANGUAGE=ru
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libqt5gui5 depends on:
ii  fontconfig                        2.13.1-4.5
ii  libc6                             2.35-3
ii  libdrm2                           2.4.113-2
ii  libegl1                           1.5.0-1
ii  libfontconfig1                    2.13.1-4.5
ii  libfreetype6                      2.12.1+dfsg-3
ii  libgbm1                           22.2.0-1
ii  libgcc-s1                         12.2.0-3
ii  libgl1                            1.5.0-1
ii  libglib2.0-0                      2.74.0-3
ii  libharfbuzz0b                     5.2.0-2
ii  libice6                           2:1.0.10-1
ii  libinput10                        1.21.0-1
ii  libjpeg62-turbo                   1:2.1.2-1+b1
ii  libmd4c0                          0.4.8-1
ii  libmtdev1                         1.1.6-1
ii  libpng16-16                       1.6.38-2
ii  libqt5core5a [qtbase-abi-5-15-6]  5.15.6+dfsg-2
ii  libqt5dbus5                       5.15.6+dfsg-2
ii  libqt5network5                    5.15.6+dfsg-2
ii  libsm6                            2:1.2.3-1
ii  libstdc++6                        12.2.0-3
ii  libudev1                          251.6-1
ii  libx11-6                          2:1.8.1-2
ii  libx11-xcb1                       2:1.8.1-2
ii  libxcb-glx0                       1.15-1
ii  libxcb-icccm4                     0.4.1-1.1
ii  libxcb-image0                     0.4.0-2
ii  libxcb-keysyms1                   0.4.0-1+b2
ii  libxcb-randr0                     1.15-1
ii  libxcb-render-util0               0.3.9-1+b1
ii  libxcb-render0                    1.15-1
ii  libxcb-shape0                     1.15-1
ii  libxcb-shm0                       1.15-1
ii  libxcb-sync1                      1.15-1
ii  libxcb-xfixes0                    1.15-1
ii  libxcb-xinerama0                  1.15-1
ii  libxcb-xinput0                    1.15-1
ii  libxcb-xkb1                       1.15-1
ii  libxcb1                           1.15-1
ii  libxkbcommon-x11-0                1.4.1-1
ii  libxkbcommon0                     1.4.1-1
ii  libxrender1                       1:0.9.10-1.1
ii  zlib1g                            1:1.2.11.dfsg-4.1

Versions of packages libqt5gui5 recommends:
ii  libqt5svg5             5.15.6-2
pn  qt5-gtk-platformtheme  <none>

Versions of packages libqt5gui5 suggests:
ii  qt5-image-formats-plugins  5.15.6-2
ii  qtwayland5                 5.15.6-2

-- no debconf information

Attachment: bug.tar.gz
Description: application/gzip

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