@charlie
I am hearing some chatter (though, admittedly, I have not attempted this myself) that there are some issues presenting when upgrading to 6.3.3 if there are any of the older Global Blocks present and used on the site. Here is the report I saw on an external forum:
Thus far, two issues have arisen with pages/posts with legacy Global Blocks.
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Hide on breakpoints in the element stops working on the page/post. Even though the classes still exist and show on the page, they’re ignored. So if you have hidden mobile content, it will show on desktop pages as well. I don’t know the exact reason for this, I chose to spend my time removing Global Blocks instead of tracking down the issue. Regular CSS media queries aren’t impacted, just the GUI breakpoint selectors.
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If you use WP native comments, the comment submission form periodically doesn’t show. Again, I didn’t work to find out exactly what the issue was, just got rid of the legacy Global Blocks on the page and it resolved.
Have you guys seen any problems like this or similar (there may be others, I don’t know)? I have a site which needs to be upgraded from 5.1.5 still which uses the GBs from that time in Pro’s history extensively. If this is going to cause a huge headache, I’d like to see if you have this on your radar and could possibly address it in advance of my needed maintenance on that site. There are probably many others I’ll need to look at as well but the one I am referring to is critical and uses the GBs heavily.
Thanks,
Dan