No changes for me, on an old WordPress website, if gutenberg is activated, i’m not able to save a page. The title become “Auto Draft” and is not published.
I’m using WP version 5.2 and ACF PRO version 5.8.0. Have to disabled Gutenberg to save pages. I have never used Gutenberg on this website but because of that I can’t come in the modern WordPress world :p …