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This issue was reported manually by MackSix. It already has 5 duplicates Build: NetBeans IDE Dev (Build 201607270002) VM: Java HotSpot(TM) 64-Bit Server VM, 25.92-b14, Java(TM) SE Runtime Environment, 1.8.0_92-b14 OS: Windows 7 User Comments: GUEST: when i change the document group the IDE turns slow to open it muellermi: switch group MackSix: Repeatable. Slow switching Document Groups with 2 Document Tabs with only a few files open. MackSix: Made 2 Document Groups. Switched to one (It has no Document Tab Groups) and then back to the other (It has 2 Document Tab Groups). There was this large delay switching back. GUEST: Sometimes,it simply hangs... And then its allright after couple of seconds. Maximum slowness yet reported was 63413 ms, average is 24953
Created attachment 161576 [details] nps snapshot