Prusa "NORMAL MODE: Percent done:" messages ETA override for OctoPrint allowing to get exact ETA in case of printing from SD. Also this plugin queries for position every minute (M114) and also fires z-change event (to support sending status message every X milimeters via telegram :) )
Install via the bundled Plugin Manager or manually using this URL:
https://github.com/kanocz/octopi_eta_override/archive/master.zip