When we upgraded to 1.9 the trust level 4 users seem to have lost their ability to set timers for topics. So they cannot auto-close topics or close them temporarily. They can close them in a regular manner, though.
This must be a bug or a regression. It cannot be intentional, right?
(We are on 1.9.1)
Topic timers are staff only at the moment: see How to create a Timed Topic. I fully support giving TL4 users topic timer permissions, but that’d be a new #feature, not a #bug.
Trust level 4 had the feature in 1.8. No doubt about it.
Did it work though? When I tested this back in August the timer didn’t actually do anything when it was triggered:
https://meta.discourse.org/t/how-to-create-a-timed-topic/60731/9?u=jomaxro
We never experienced any problems. Here is a topic that was scheduled to close in 60 minutes by a TL4 user:
Consider me confused then. Moving this back to #bug. I’ll be quiet now and let the real engineer (@tgxworld) look at this when he comes in 
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@jomaxro Yea topic timers are supposed to be available to admins and users with trust level 4 or higher. Do you recall why we restricted it to staff only?
https://github.com/tgxworld/discourse/commit/e3e6fd6ea0ecf2611738127efc585afbf727d219
It came from this topic: How to create a Timed Topic. Topic timers were not working for TL4 users when I tested it (timers could be set but nothing would happen when they triggered), so Jeff said to disable it unless it was an easy fix.
Ah icic. I’ll have a look then 
Can you try reproducing this again? I tried locally but the timers were working fine for me. Thank you!
In the mean time, I’ve reverted
https://github.com/discourse/discourse/commit/5a57a454fe713080814736442a6feb4863ec8c70
I can confirm that auto-close, close temporarily, auto-open, open temporarily, schedule publishing, and remind me all work for a TL4 user on try.
However, Auto-Delete does not appear to work.
TL4 users cannot delete topics anyway, couldn’t you just remove auto delete for TL4 since that is the only problem.