Tell HN: Claude session limits getting small

I am a max subscriber for claude.ai using their browser UI and claude desktop ai app, not a API user, claude code user. In the last week I have come across every session of mine not lasting more than an hour or so. Have any of you come across this? Is this something new? Reaching out to their help is basically dealing with claude and canned responses, escalated to human but they've yet to explain/respond