AVIF is an image file format with the following attractive features:
➀ higher bit depths are supported (not only 8-bit, but also 10-bit and 12-bit colour components are possible) and thus HDR and WCG images look better (colour banding is reduced),
⓶ support of AVIF in Mozilla Firefox is a bit delayed because of a bug in its colour conversion (see https://bugzilla.mozilla.org/show_bug.cgi?id=1682995#c24 for details), but AVIF support is still likely to land later in April or in May,
⓷ WebKit (the browser engine of Safari) has got its AVIF support in early March (see https://bugs.webkit.org/show_bug.cgi?id=207750 for details) and thus an AVIF-supporting Safari version is likely to be released in the future.
Hence the suggestion here is that Telegram should also support AVIF images and let its users decide how an AVIF file is sent, providing the three options:
⑴ As a file: iconified representation, visible filename and filesize, optional caption, 2 GB limit on filesizes, currently the only option for AVIF.
⑵ As an image: wide representation (equal to messages' width), suppressed transparency, optional caption, 1280 pixels limit on width and height.
⑶ As a sticker: narrower representation, supported transparency, no caption, 2 MB limit on filesizes.
It is mentioned (in Safari's list of features) that both flavours of AVIF images (still images and animated AVIF) are supported on iOS 16, and on iPadOS 16, and on macOS 13 (Ventura).
Safari is known to use the underlying system's decoder, hence these three systems themselves (iOS 16, iPadOS 16, macOS 13) are probably able to decode AVIF.
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It is mentioned (in Safari's list of features) that both flavours of AVIF images (still images and animated AVIF) are supported on iOS 16, and on iPadOS 16, and on macOS 13 (Ventura).
See https://webkit.org/blog/13399/webkit-features-in-safari-16-1/#animated-avif for details.
Safari is known to use the underlying system's decoder, hence these three systems themselves (iOS 16, iPadOS 16, macOS 13) are probably able to decode AVIF.
It is reasonable to expect that in 2024 the AVIF format will be widely used as the latest and the best tool for the lossy compression of images.
WebP becomes the previous one — and JPEG is just the predecessor's predecessor.
The correct URL is https://learn.microsoft.com/en-us/deployedge/microsoft-edge-relnote-archive-stable-channel#version-1210227783-january-25-2024