Mozilla new version

Hi,

Your question seems incomplete, which makes it difficult for the members of this community to help. If English isn't your first language, please feel free to write in your native language or use a translation tool to help clarify your question. We'd appreciate if you could update update this thread with additional details.

If no updates are provided within 2 days, a moderator may lock this thread, as there’s not much we can do without more information. You're welcome to start a new thread if you still have a question. Just make sure to include more detail in your question so we can better assist you.

For reference, please review our Mozilla Support rules and guidelines.

Do you mean that you need to connect to a site that uses TLS 1.1 or TLS 1.0, which Firefox does not support in its default configuration? You can test whether the following setting still works for you (thread from when Firefox 133 was the current release):

https://support.mozilla.org/en-US/questions/1480936#answer-1699631

TLS 1.0 and TLS 1.1 have been deprecated since Firefox 78 Release and should not be used now days and only enable temporarily if you do.

https://blog.mozilla.org/security/2018/10/15/removing-old-versions-of-tls/ https://hacks.mozilla.org/2020/02/its-the-boot-for-tls-1-0-and-tls-1-1/