Thanks for your feedback, same issue on my side.
By default I set my DE with the breeze theme, not breath.
After the 6.2 plasma update breath is the default one, no luck this one is buggy…
J’ai par contre constaté que d’autres bugs étaient eux corrigés , youpi.
Edit 1
@Fred6681
Breath issue solve with the last update, see below the update details
[nls@USB ~]$ sudo pacman -Syu
[sudo] password for nls:
:: Synchronising package databases...
core 140,3 KiB 935 KiB/s 00:00 [########################################] 100%
extra 8,0 MiB 31,3 MiB/s 00:00 [########################################] 100%
multilib 141,2 KiB 846 KiB/s 00:00 [########################################] 100%
:: Starting full system upgrade...
resolving dependencies...
looking for conflicting packages...
Packages (5) plasma6-themes-breath-24.0.0-4 plasma6-themes-breath-migration-24.0.0-4 sddm-breath-theme-24.0.0-4
thunderbird-128.3.1-1 thunderbird-i18n-fr-128.3.1-1
Total Download Size: 127,37 MiB
Total Installed Size: 290,37 MiB
Net Upgrade Size: 0,00 MiB
:: Proceed with installation? [Y/n] y
:: Retrieving packages...
sddm-breath-theme-24.0.0-4-any 157,3 KiB 1156 KiB/s 00:00 [########################################] 100%
plasma6-themes-breath-migration-24.0.... 18,9 KiB 629 KiB/s 00:00 [########################################] 100%
thunderbird-i18n-fr-128.3.1-1-x86_64 683,0 KiB 1866 KiB/s 00:00 [########################################] 100%
thunderbird-128.3.1-1-x86_64 61,0 MiB 50,4 MiB/s 00:01 [########################################] 100%
plasma6-themes-breath-24.0.0-4-any 65,6 MiB 52,0 MiB/s 00:01 [########################################] 100%
Total (5/5) 127,4 MiB 99,8 MiB/s 00:01 [########################################] 100%
(5/5) checking keys in keyring [########################################] 100%
(5/5) checking package integrity [########################################] 100%
(5/5) loading package files [########################################] 100%
(5/5) checking for file conflicts [########################################] 100%
(5/5) checking available disk space [########################################] 100%
:: Running pre-transaction hooks...
(1/2) Creating Timeshift snapshot before upgrade...
==> skipping timeshift-autosnap due skipRsyncAutosnap in /etc/timeshift-autosnap.conf set to TRUE.
(2/2) Remove Thunderbird Distribution Settings
:: Processing package changes...
(1/5) upgrading plasma6-themes-breath-migration [########################################] 100%
(2/5) upgrading plasma6-themes-breath [########################################] 100%
(3/5) upgrading sddm-breath-theme [########################################] 100%
(4/5) upgrading thunderbird [########################################] 100%
(5/5) upgrading thunderbird-i18n-fr [########################################] 100%
ldconfig: /usr/lib/libjsoncpp.so.26 is not a symbolic link
:: Running post-transaction hooks...
(1/5) Arming ConditionNeedsUpdate...
(2/5) Refreshing PackageKit...
(3/5) Updating icon theme caches...
(4/5) Copy Thunderbird Distribution Settings
(5/5) Updating the desktop file MIME type cache...
[nls@USB ~]$ reboot