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Fixed in 2020.1

Planned for 2018.4

Fixed in 2019.3



Found in






Issue ID




Animator.Update CPU time spikes when multiple animations are playing



Steps to reproduce:
1. Download and open "Character with animation" scene
2. Enter play mode with open Profiler
3. Wait for 10 - 30 seconds

Actual results: Notice that Animators.Update spikes. On i7-6700k in the example project Animator.Update takes -2.5ms to calculate and when it spikes it takes 5-7ms to calculate.

Reproduced with: 2020.1.0a4, 2019.3.0b4, 2019.2.6f1, 2018.4.9f1
Not reproducible with: 2017.4.32f1

- Tested and reproduced in Standalone player

  1. Response avatar

    Resolution Note (fix version 2019.3):


Comments (18)

  1. 272cf9b02f2aa5905e28a187b3159c09?d=mm


    May 23, 2020 10:12

    This is very interesting news for kids because they watch the video of different animations and they are very interested in them. thanks, for sharing this updating

  2. 24b87b58d4dc93a3e66fb5f21dcdf0b5?d=mm


    May 20, 2020 12:50

    2018.4.23 - fix still not available there...
    I'm pretty sure, that I saw a resolution note for 2018.4.23 here, but it disappeared.

    I beg you Unity, please fix it in 2018 LTS

  3. 4b409f54d7f61f76c11235a7d138d4dd?d=mm


    May 16, 2020 06:56

    2018.4.22 and this still isn't fixed.

    The guy assigned to the task marked it as solved. We may have to open a new ticket for anyone to look at this again.

  4. 7239d4be6012f02e803e36174c40e492?d=mm


    Apr 29, 2020 23:34

    Is this bug reproduced on android build too or only windows standalone ?

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