Unity Issue Tracker - Coroutine can't be stopped via StopCoroutine() if it has 3 or more nested yield return coroutines

Fixed in 2019.1.X

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Found in

Issue ID

Regression

Coroutine can't be stopped via StopCoroutine() if it has 3 or more nested yield return coroutines

Oct 10, 2018

How to reproduce:
1. Open user-submitted project (New Unity Project)
2. Open the 'scene' scene
3. Enter Play Mode

Expected result: both cubes stop rotating after a second
Actual result: only the cube on the left stops rotating after a second

Reproducible with: 2017.4.13f1, 2018.1.9f2, 2018.2.12f1, 2018.3.0b5, 2019.1.0a4