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Fixed

Fixed in 2022.3.5f1, 2023.1.3f1, 2023.2.0a22

Votes

14

Found in

2022.2.0b8

2023.1.0b5

2023.2.0a3

Issue ID

UUM-27603

Regression

Yes

[iOS] Simulated Rigidbodies gets random impulses when using 2D Physics

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How to reproduce:
1. Open the “unity-2022-physics2d-issue.zip” project
2. Remove the “Analytics” package, then Build And Run the project on an iOS device
3. In the app, touch the screen to build sandcastles
4. Observe the result

Expected result: Sandcastles stay on the ground
Actual result: Sandcastles fly to the top

Reproducible with: 2022.2.0b8, 2022.2.7f1, 2023.1.0b5, 2023.2.0a3
Not reproducible with: 2021.3.19f1, 2022.1.24f1
Could not test with: 2020.3.45f1, 2022.2.0b7 (Errors after project downgrade)

Reproduced on:
VLNQA00494 - iPhone 14 Pro Max, 16.0.3 iOS
VLNQA00358 - iPhone 12, 14.1 iOS
VLNQA00392 - iPad (9th generation), 15.0 iOS
VLNQA00310 - iPad Pro 12.9", 13.4.1 iOS
iPhone 7 - iOS 15.7.3 (user’s info)
iPhone SE - iOS 16.2 (user’s info)
iPhone X - iOS 13.3 (user’s info)
iPhone 12 mini - iOS 15.6 (user’s info)
iPad Pro - iOS 13.3 (user’s info)
iPad (8th gen) - iOS 16.2 (user’s info)
iPad (9th gen) - iOS 15.6.1 (user’s info)

Note: not reproducible on Android and Editor

  1. Resolution Note (fix version 2023.2.0a22):

    Fix for this issue will be available on Unity 2023.2.0a22 and above

  2. Resolution Note (fix version 2023.1.3f1):

    Fix for this issue will be available on Unity 2023.1.3f1 and above

  3. Resolution Note (fix version 2022.3.5f1):

    Fix for this issue will be available on Unity 2022.3.5f1 and above

Comments (1)

  1. Grimps

    Jun 20, 2023 15:44

    I have experienced this issue building for iOS on iPhone 11 Pro using build 2022.3.2f1.0.1. However, when I start with the 2D URP template and build a small physics test, it functions normally in the editor and in iOS. There could be a specific component which causes the issue that I did not use in my test which is used in my project.

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