Apparently, Instagram disables their more sophisticated tools with "not recommended" browsers.Which web browsers work best with Instagram
To make sure you have best experience possible, we recommend using the most up-to-date version of one of the following browsers:
Google Chrome
Mozilla Firefox
Safari
Microsoft Edge
My about:config reports:
Moonchild, please do not curse me. This is my first post.general.useragent.override.instagram.com default string
Mozilla/5.0 (%OS_SLICE% rv:68.0) Gecko/20100101 Firefox/68.0
Thank you for this wonderful, marvelous web browser.
Sincerely in Christ,
gospelmidi