Created attachment 99979 [details] The problem When the task manager displays the thumbnail of a transparent window, it is shown on a non-transparent image (I think) and the result is that it gets corrupted. An obvious example is by using Google Hangouts in its transparent window mode (as shown in the attachments)... Sometimes it shows only a full-black preview, sometimes the correct window preview on top of garbage...
Created attachment 99980 [details] Alt-Tab In the Alt-Tab it works ok
Reassigning to correct product.
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Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please mark the bug as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!