Observed behaviour
There's an odd hiccup where it starts at the wrong aspect ratio and then resizes itself quickly.
Reproduction steps
- Download this sample video (ensure you download it, the issue doesn't occur when you embed it from a link): https://fluxerusercontent.com/attachments/1503246268110766141/1503398971739676769/cat.mp4
- Add the sample video as an attachment to a message.
- Send the message.
Build information
canary build 716 (db94f91), Electron 41.2.2, Windows 11 10.0.26200 (x64), desktop canary 0.0.205, Electron 41.2.2, Chrome 146.0.7680.188, Node 24.14.1, locale en-GB
Platform
Windows
Details
Expected behaviour
The uploaded video embed should be the correct aspect ratio as soon as it is uploaded.