this post was submitted on 11 Jul 2026
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It's an intentional behavior by Apple. Basically they just don't support AV1 videostreams unless the hardware you're using has a hardware decoder (read: very new). They could support it using software decode (what browsers typically do for AV1 inside avif containers) but.... for whatever reasons don't.
Haha, ye$, for rea$on$, I'm $ure... :D
I'm not sure demand for AV1 is enough to ship units
Probably either laziness or they want to avoid software decoding in general for performance reasons
I think that's a reasonable way to look at it.
It's not the route I'd take, after all, the video tag in html supports specifying multiple sources (including different formats/encodings), and with full control of the stack (they vend Safari) you could have logic on devices without AV1 hardware that prefers the AVC/HEVC/VP9 sources instead — then fallback to AV1 SW if it's the only option. That seems a better user experience than just failing to display content.