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Fixed in 2021.2.X

Fixed in 2020.3.X, 2021.1.X



Found in




Issue ID




[URP Template] Major performance drop in the Editor during Play Mode

Shader System


How to reproduce:
1. Open a new URP project
2. Make sure you have Fraps opened
3. Go to Window -> Layouts -> Default (Different Layouts produce different FPS in Fraps)
4. Enter Play Mode
5. Observe the FPS from Fraps while in Play Mode

Expected result: FPS is around 640-690
Actual result: FPS is around 480-520

Reproducible with: 2020.2.0a7, 2020.2.0b11, 2021.1.0a6
Not reproducible with: 2018.4.27f1, 2019.4.10f1, 2020.1.6f1, 2020.2.0a5

- The issue is not reproducible with the built-in pipeline
- FPS amount can differ based on the setup
- Issue is only reproducible in URP

  1. Resolution Note (fix version 2021.2):

    Fixed in: 2021.2.0a8

  2. Resolution Note (fix version 2021.1):

    Fixed in: 2021.1.0b10

  3. Resolution Note (fix version 2020.3):

    Fixed in: 2020.3.2f1

Comments (3)

  1. nico_st_29

    Mar 26, 2021 10:48

    Hi team,

    My URP project works fine in the Editor on 2020.1.17f1.
    However when I try updating to either 2020.3.1 or 2021.1.0 the performance becomes terrible - I am experiencing the same as some others: the game becomes painfully slow in Play Mode.

    I am happy to create another thread for that one.

    I'm running Unity on 2017 iMac 27" with macOS Catalina (10.15.7) and a 3.4 GHz Quad-Core Intel Core i5 processor.

  2. nico_st_29

    Mar 18, 2021 21:38

    It would be great to have this fixed in 2020 LTS.

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