Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
Mulongo oyo etiyamaki na archive. Tuna motuna mosusu soki osengeli na lisalisi
Eza archivé

when will firefox fully support html5 & css3 fully as sevral tags are still not working with it

salil

html5 & css3 is not supportive several tags are not working...plz check the issue as html5 is trending tags like <summary> are not working

html5 & css3 is not supportive several tags are not working...plz check the issue as html5 is trending tags like <summary> are not working

All Replies (1)

Coming in Firefox 49.

  • Added support for <details> and <summary> elements

https://developer.mozilla.org/en-US/Firefox/Releases/49#Changes_for_Web_developers