Problem with WordPress Image Renaming Feature

Hello together,

I think I have a problem of some kind with WordPress Image Renaming Feature.

I usually had Upload images like “This is my Image filename.jpg” I have a Plugin called “clean-image-filenames” that converted these files to “this-is-my-image filename.jpg” and the automatic added Alt Text was “This is my Image filename” and everything worked perfectly.

In one of the last WP updates I guess is a feature that changes this behaviour in a very bad way (imho) ..

If I upload now “This is my Image filename.jpg” it still gets “this-is-my-image filename.jpg” (still due to plugin, or maybe wordpress does the same thing on its own now?) but now the automatic alt text is also “this-is-my-image filename” and I have to manually change this.

I work with a LOT of Pictures in my Blogs and that gets REALLY annoying. Is there something I can do to change this behaviour back as it was before?

Kind Regards