We'll amend that text for future hotfixes. It means "push" in the git sense, pushing the code to github. Our hotfix script can't do that, I need to manually type a command every now and then.
The hotfixes are always uploaded immediately to the tracker issue, and that's generally what users should get.
I'm re-opening this issue. Although the hotfix does prevent the error, it also gets rid of the "reply" button and seems to also ignore permissions (Administrators can't use quick reply either). So when the hotfix is in place, no one can post anything.
That's definitely not the case. The change is in a branch of code that only effects quick reply, definitely not the reply button. I suspect there's something else, such as the topic closed, or double post permission not being there and the test user being the last poster.
We fixed a subtle quick reply bug in the latest release, but unfortunately introduced a new one.
If quick reply privilege is not enabled, topic viewing will not work.
A workaround would be to enable quick reply, as it is not a dangerous permission to assign (and is on by default). Otherwise, apply this hot fix.
The hotfixes are always uploaded immediately to the tracker issue, and that's generally what users should get.