Edited original report

https://github.com/ruffle-rs/ruffle/files/10287036/79.zip contains a frame that reproduces this error:

While the previous frame is perfectly displayed:

I don’t know which information should I submit to help to fix the issue.

Many thanks for your help.

Rationale

The original report linked to https://free-culture.tk/lfc-presentation.swf (from which the flawed rendering image comes from).

@n0samu was kind enough to provide a minimal SWF that contains the faulty frame (offered as first link now).