AllowedFileExtensions seemingly not applied

[nitori]

TYPO3 11.5.31 Mask 8.3.7

It looks like the "allowedFileExtensions" option in "assets" field Configuration is not applied correctly.

Mask Configuration with reused "assets" core field:

Result when creating mask element:

Resulting Configuration

TYPO3 12 seems to have the same issue (same mask version)

Though it looks like "media" works just fine.

Greetings Nitori

[nhovratov]

Hey, these are the "online media helpers". You need to deactivate them in the general tab:

[nitori]

That was it. Thanks.