You can do it with custom css.

.quickreply-message textarea {
    height: 4em;
}

@Dravere Yeah I meant in code, would need to comment out the lines that match new cron

You can temporarily disable all cron jobs and see if the issue goes away, then we can pinpoint which one causes it. If it is still happening then it's not the cronjobs.

@Dravere How many nodebb procs are running?

@Dravere I think notifications are pruned every 30 minutes.

@Geferon https://github.com/NodeBB/NodeBB/pull/6841

action:ajaxify.start ?

I made some fixes to the composer for disabled categories, will be available in next release. Thanks for reporting.

Can you post a screenshot of the settings page from one of the categories?