Selecting a MENTIONABLE option on iOS crashes the app

[advaith1]

Description

When you are typing a command and tap on a MENTIONABLE (type 9) option, the app crashes

Steps to Reproduce

Type a command with a MENTIONABLE option
Tap the name of the option

Expected Behavior

It shows users and roles, and you can select one and use the command normally

Current Behavior

The app crashes

Screenshots/Videos

ios.mentionable.crash.mp4

Click to see crash screenshot

Client and System Information

Discord iOS TestFlight 72.0 (25362)
iOS 14.5, iPhone XR

[Commandtechno]

While testing this it didn't crash, but I noticed strange behavior on android

Expected Behavior

It shows users and roles, and you can select one and use the command normally

Current Behavior

It shows users, channels, and emojis

Screenshots/Videos

https://cdn.discordapp.com/attachments/575526435926835201/839303611289042974/Screenshot_20210504-195241.png
https://cdn.discordapp.com/attachments/575526435926835201/839304036200087603/Screenshot_20210504-195341.png
https://cdn.discordapp.com/attachments/575526435926835201/839305404545761280/Screenshot_20210504-195944.png

Client and System Information

Discord Android 72.11 (72011)
Google Pixel 3, Android 11

[J-Human]

I seem to be able to repro this also, same expected and actual behavior. My Discord app crashes and gives me a prompt to restart it.

Screenshots/Videos

FullSizeRender.mov

Client and System information

System: iPadOS 14.4.2, iPad 6th generation

App: 71.0 (25176) stable; Manifest: W/"9721c1d97910c12fe5c06b082f7b5ffe"; Build Override: N/A; Device: iPad7,5 OS 14.4.2;

P.S.: Updating to iPadOS 14.5 still gives me the same actual result.

[night]

This is not supported in the current stable, but will be in the next release.