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Fixed in 13.0.0

Fixed in 10.7.0, 12.0.0



Found in [Package]


Issue ID




Editor compiles endlessly the VFX Graph Assets from the Samples

Package: Visual Effect Graph


How to reproduce:
1. Open the user's attached "" project
2. Open the "Sparks" VFX Graph from the Project window (Assets ->Samples -> Visual Effect Graph -> 12.0.0 -> VFXGraph Additions/VFX)
3. Observe the VFX Graph window

Expected result: The "Sparks" VFX Graph is loaded with no errors
Actual result: The Asset is compiling endlessly and "(Null Asset) : Exception while compiling expression graph:." is spammed in the Console log

Reproducible with: 10.5.0 (2020.3.12f1), 11.0.0 (2021.1.12f1), 12.0.0 (2021.2.0a19 2021.2.0b1)
Not reproducible with: 7.6.0 (2019.4.28f1), 12.0.0 (2021.2.0a18)

  1. Resolution Note (fix version 13.0.0):

    Fixed in: 13.0.0 (2022.1.0a12)

  2. Resolution Note (fix version 12.0.0):

    Fixed in:
    2021.2.0b15.3627, Visual Effects Graph 12.0.0
    Revision: 2021.2/staging 4f4f17fe8875
    Built: Sat, 25 Sep 2021 14:56:54 GMT

  3. Resolution Note:

    Fixed in 2021.1.27f1

Comments (2)

  1. XRA

    Sep 02, 2021 23:05

    Subgraphs do not work and it is blocking projects from being upgraded to LTS

    How did an issue this severe get through testing?

  2. NathanSr

    Aug 26, 2021 17:08

    This issue is affecting us quite a bit currently.

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