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Fixed in 2018.3.X, 2019.1.X



Found in




Issue ID




GC.Collect() to be called at regular intervals causing noticeable lag spikes when using Bolt asset



How to reproduce:
1. Open the attached project
2. Enter the Play Mode
3. Go to Profiler window -> select Profiler Editor

Actual: Periodic CPU spikes appear (inspect users attached .png files)

Reproducible with: 2018.3.9f1, 2019.1.0b7, 2019.2.0a8

  1. Resolution Note (2019.2.X):

    This is not a bug introduced in 18.3. This is the profiler accurately displaying a spike that was already there but went unreported.

Comments (5)

  1. LazloBonin

    May 02, 2019 18:44

    Spoke too fast. The issue definitely isn't fixed in 2018.3.14f1.

  2. LazloBonin

    Apr 29, 2019 19:31

    Bolt developer here. From early tests in 2018.3.14f1, it seems like the issue is indeed fixed.

  3. PanthenEye

    Apr 13, 2019 19:45

    So here it says it's fixed but a QA person on fobugz says it's only improved but not fixed. So which one is it?


  4. Khash-Firestorm

    Mar 24, 2019 23:53

    Forced us to revert Unity from 19.1 to 18.2

  5. Khash-Firestorm

    Mar 24, 2019 23:52

    Issue seems to be reproduced with PUN for us as well.

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