I sent her a message asking about her screen reader. Could this be happening because in the new forum style, posts just endlessly load? I haven't found a way to limit the number of posts that appear like in the old style.
In trying to find the cause here, it's not clear that it ever worked. Switching back to legacy doesn't make it work, and we have not changed anything with the post button in the new version. We logged it as a bug in our tracker and we will see if we can determine what the root of the issue is, but I don't have an ETA to give you on a determination or a fix.
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