Version 2.15.90
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- Avoid losing EXIF data when saving changed jpeg images (Felix Riemman) 
  [#309219]
- Use middle mouse drag to scroll image (Wouter Bolsterlee) [#335689].
- Make transparent color selection work (Felix Riemman) [#347600].
- Fix crash when switching images with mouse wheel (Callum McKenzie) [#340827].
- Updated translations: Mahay Alam Khan (bn_IN), Jordi Mallach (ca), Jakub 
  Friedl (cs), Kostas Papadimas (el), Christophe Merlet (RedFox) (fr), Satoru 
  SATOH (ja), Daniel Nylander (sv).