This behavior goes back quite a long ways in Firefox; we show the same behavior[1] going back at least to NIghtly 2011-12-01 (Firefox 11 timeframe). So this has probably been the behavior ever since we implemented SVG-as-an-image, I'd guess. [1] that same behavior being: ``` img width x height: 300 x 150 img naturalWidth x naturalHeight: 0 x 0 ```
Bug 1935269 Comment 1 Edit History
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Using this more legacy-friendly testcase, I confirmed that this behavior goes back quite a long ways in Firefox; we show the same behavior[1] going back at least to NIghtly 2011-12-01 (Firefox 11 timeframe). So this has probably been the behavior ever since we implemented SVG-as-an-image, I'd guess. [1] that same behavior being: ``` img width x height: 300 x 150 img naturalWidth x naturalHeight: 0 x 0 ```