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Extreme drop in editor performance after update to version 7.4 (build 1033)

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Hi,

after I updated Visual Studio for Mac 2017 to Version 7.4 (build 1033) the performance gets worse the longer I work. After working for two hours the performance is so bad that working is no longer possible and I have to reboot the system. Restarting Visual Studio alone does not solve the problem.

Example of extreme bad performance behaviour:

  • After hitting a key, it takes up to three seconds until the letter appears in the editor. I can write whole texts while the program is stuck, after the delay everything I typed appears in the editor.
  • The activity monitor shows CPU usage of up to 300% while the system is stuck after hitting a key (see screenshot)

  • After writing some code (and the delay mentioned above) all text is displayed white (instead of blue, green white etc. of the dark theme). It then takes several seconds before the code is in the correct color again.

  • Intelli-Sense takes more than five seconds to create suggestions, often it does not show suggestions at all

I'm using an MacBook Air with Mac OS Sierra (Version 10.12.6). Before the update, everything was smooth, letters appeard instantly after pressing the key, Intelli-sense never took more than maybe half a second to create suggestions.

Any help is appreciated, thanks in advance for your time.


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