It's in the title. I haven't tried with all glass panes, but I know for a fact it happens with yellow and white stained glass panes. It only makes ice invisible, any blocks behind the ice will be visible.
Comments 2
Please attach a screenshot of this occurring while the F3 debug screen is enabled.
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Can't reproduce that. Could you add screenshots? (You should take screenshots in the pure 1.18.1 version)