• enable the highlighter by default (#458)
• less intrusive "what's new" message dialog (#504)
• non-linear zooming speed profile (to zoom faster when using extreme values) (#499)
• slower scrolling speed to have a better precision with higher zoom levels (#499)
• require itstool as a dependency even though it's some useless bloat
• fix the adaptivity of the elementaryOS layout (#502)
• better keep the image centered on the mouse pointer when changing the zoom (#499)
• avoid —again— insane attempts to open the binary as an image (#500)
• update several translations