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Issues with tooltips in UE4 Editor [Ubuntu 16.04]

Quickly moving the mouse over anything that has a tooltip causes the FPS to drop significantly. Furthermore, doing it in menus makes the entire UI freeze for a short period of time. Watch the video for a demonstration: https://youtu.be/cZqBSivYtAc

Specs: Ubuntu 16.04, 8GB RAM, i3 3.07GHz, Geforce GTX 750

Product Version: UE 4.13
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asked Nov 13 '16 at 05:23 PM in Linux

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S I G
9 1 5 8

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2 answers: sort voted first

simular problem but with artifacts https://youtu.be/4bhKn0KKouw

gentoo amd64

asus-g75vw gtx660m 20gbram

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answered Nov 21 '16 at 06:53 AM

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brothermechanic
26 3 8

avatar image S I G Nov 21 '16 at 10:33 AM

In KDE, that issue occurs because OpenGL applications turn off compositing by default. You have to disable that from System Settings. See more here: https://answers.unrealengine.com/questions/421227/strange-editor-behavior-in-linux.html

avatar image brothermechanic Dec 01 '16 at 06:43 PM

Thank you! Works!!!!

avatar image S I G Dec 01 '16 at 06:49 PM

No problem!

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I know it is not a real solution for you guys but I really can't recommend using Unity as DE for UE4. It makes the UE4Editor super slow and laggy. Personally I am using XFCE and have no problems with the issues from above. When I use UE4Editor on the Unity DE it gets quite slow. It is a known issue that the smear effect appears when you don't have a compositor but you can switch your compositor off to make things faster but be aware that it might cause "smear" effects like issue as @brothermechanic mentioned.

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answered Dec 01 '16 at 02:46 PM

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Yaakuro
314 13 7 19

avatar image S I G Dec 01 '16 at 05:42 PM

Thanks for your feedback.

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