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I tried using the windows L&F (by invoking runidew.exe -ui com.sun.java.swing.plaf.windows.WindowsLookAndFeel). Everything was OK until I tried the search command (^f). The IDE got stuck, while the cursor keeps "flickering". I attached a stack dump from when it happened
Created attachment 3262 [details] thread dump
From the thread dump, it looks to me like some windowing system problem. Please, reassign back to editor if I am wrong.
Assigning to windowing system.
It's a duplicate. *** This issue has been marked as a duplicate of 11649 ***
Resolved for 3.4.x or earlier, no new info since then -> verified.
Resolved for 3.4.x or earlier, no new info since then -> closing.