As of Jan 1, 2025, thousands of copyrighted works created in 1929 have entered the public domain. This is more notable this year because 1929 was the first year that movies had sound. Fun fact: my small hometown of Auburn, NY is where the technology for sound on film was invented.
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Popeye and Tintin are now in the public domain
There are some new Mickey Mouse animations, too.
theverge.com