This simple code doesn't work in Firefox on Android as expected:
<input type="search" autocapitalize="none">Expected behavior: input value is not automatically capitalized
Actual behavior: input value is capitalized
Am I missing something or it's a bug in Firefox on Android?
PS. I just noticed that SO code snippets don't work on mobile, here's the live demo for testing purposes: https://gleaming-kitty.glitch.me/
This does in fact seem to be a missing feature on Firefox for Android. Here's the bug report. Feel free to vote and add yourself to CC (or maybe even contribute a patch).
https://bugzilla.mozilla.org/show_bug.cgi?id=1425291
I also made a simple demo for testing the autocapitalize attribute:
I would try autocapitalize="none" and autocapitalize="off" simultaneously.
If that still doesn't work then there is probably a bug in the version of Firefox for Android you're using.