If you’re using Mobile View you may have spotted that you now see a thread’s title while scrolling through it and you only get the little user icon with your notifications if you scroll up.
Discourse showed me how to disable this but it will only work if you have selected a specific theme. If you’re on ‘default’ then you’ll need to go to the ‘interface’ section of your user profile preferences and select a theme. Standard Colours is the same scheme as ‘Default’
Once you’ve saved that you will no longer see this feature…unless you like it, in which case you’ll now have a checkbox under Other with the option to turn it back on:
^^^ Long image so click on it to expand.