@zepht Glad to hear it helped, thanks for checking!

@zepht Thanks for reporting and sharing the reproduction steps! We could indeed reproduce this issue. We've just pushed a bugfix to the 4.2 branch. A new spine-unity 4.2 unitypackage is available for download:
https://jp.esotericsoftware.com/spine-unity-download

Issue ticket URL for later reference:
EsotericSoftware/spine-runtimes2793

Please let us know if this resolves the issue on your end as well.