HI,
Field Type : Image
Allowed file types restrictions are only working for newly uploaded image. when I am browse an image from Media Library, it not working.
Example
I am restricted Image field type to only PNG files and I am browsing an image from Media Library and select a jpg. It’s not show restriction error message and it added to the page.
Thanks,
Ram
—- Versions —-
ACF v5.2.6
WP v4.2.2
Thanks for the bug report. I will see what I can to about passing this on to the developer.