SCP technically stands for Secure, Contain, Protect; however, the acronym is much more well-known.

Visible on Voyager by tapping the image

Many services including Gmail silently ignore periods in localparts, so foo.bar and foobar are the same address.

overall we need something to text

pretty much Matrix’s entire point

(plus send files)

also implemented in pretty much every server and client; I think even Element can send files

call

look into e.g. #matrixrtc:continuwuity.org — sable requires a setting to show the call button in non-DM rooms

video/screen share

unfortunately this is the only thing I’m not confident is supported

bonus for emojis, stickers

should be available with any im.ponies-compatible client such as sable

Not telemetry? Continuwuity just uses it to post release announcements to the admin room; I think there’s a way to disable it if you prefer.

Due to federation oddities, you’ll need someone on your instance (such as yourself, by definition) to subscribe to begin receiving posts.

There’s already Windows S mode — if you bought a device with S mode enabled, you need a Microsoft account to disable it.

There aren’t any unhandled errors! There aren’t any unvalidated inputs!

.moe already exists; my Matrix client has a .moe domain.

or creatures :3

Traders placed over $1bn traitors’ perfectly timed bets on the Iran war.

FTFY