Aseprite images pivot randomly changed and animation problems in my project after Unity update

Unity Engine
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1

Hello, I am working on a 2D project with many Aseprite images.
Editor version is 6000.0.43f1, having 2D Aseprite Importer package version 1.1.8.

I tried to update to Unity 6000.1.7f1, having 2D Aseprite Importer package version 1.2.5, and this caused problems in my previously fine Aseprite images.
Some images pivot got randomly changed, for example this was my pivot in the old version:

image
image346×219 6.02 KB

and after the update it’s like this:
image
image386×237 6.06 KB

Other images pivot, did not get changed.

Some animations do also not work anymore, sprites wouldnt animate at all.

Same thing happens if I update to Unity 6000.0.51f1, having 2D Aseprite Importer package version 1.1.9.

Could it be an Aseprite Importer update bug?