I don't agree that this is a duplicate of bug #688658:
Bug #688658 requests a missing feature in the UI, this report however is about Inkscape not properly implementing the SVG 1.1 specification.
Related reports are: Bug #616717 “Resized bitmap images are rendered differently by Firefox or Batik ('preserveAspectRatio' attribute not set)” Bug #461467 “Image scale saved incorrectly” Bug #371297 “Feature request: Do not optimize transforms on Image objects”
I don't agree that this is a duplicate of bug #688658:
Bug #688658 requests a missing feature in the UI, this report however is about Inkscape not properly implementing the SVG 1.1 specification.
Related reports are: tRatio' attribute not set)”
Bug #616717 “Resized bitmap images are rendered differently by Firefox or Batik ('preserveAspec
Bug #461467 “Image scale saved incorrectly”
Bug #371297 “Feature request: Do not optimize transforms on Image objects”
Proposing to link as duplicate to Bug #461467 or Bug #616717.