matrix-org/matrix-spec-proposals#3552
any chance of ui for alt text being support via MSC3552
description taken from the spec proposal
Optional - An m.alt_text block to represent alternative/descriptive text for the image. This is used as an accessibility feature, and per the block's definition above should only contain a plain text representation at the moment. Clients are encouraged to assume there is no alt text if no plain text representations are present. For clarity, this value would be supplied to the alt attribute of an img node in HTML. }
matrix-org/matrix-spec-proposals#3552
any chance of ui for alt text being support via MSC3552
description taken from the spec proposal
Optional - An m.alt_text block to represent alternative/descriptive text for the image. This is used as an accessibility feature, and per the block's definition above should only contain a plain text representation at the moment. Clients are encouraged to assume there is no alt text if no plain text representations are present. For clarity, this value would be supplied to the alt attribute of an img node in HTML. }