FortiClient 7.4.1 to 7.4.3 Update broke SAML via FireFox Dev Edition?

[sam_shannon_dialog]

Hi Folks,

I upgraded from FortiClient (VPNOnly) 7.4.1 to 7.4.3 per instruction from my VPN provider last week, and where before SAML via External Browser worked fine with Firefox Developer Edition, it has stopped working on the newer version.

It now shows an NS_ERROR_CONNECTION_REFUSED on reaching the 127.0.0.1:8020 part, yet when using Edge/Chrome as the browser it works as expected/previously.

I hear anecdotally that others using regular Firefox are not experiencing this issue either.

I've tried restarting the PC and reinstalling FortiClient three times (at least), as well as repeatedly retrying the connection. Zero successes. 

Any thoughts? I'm at my wits end a bit here.
I'm reticent to start bouncing around alternate versions, as I'm in a managed environment and it takes time to grab the version-specific downloads from the VPN provider and then have my own IT department manage the uninstall/reinstall process, so anything I can do without admin permissions is a good place to start.

To get back to normal though, I'm not above hounding them if it comes to it!

Cheers.

[msarris]

This worked in version 143, but sadly doesn't work anymore with the new 144.0b1 update.

Tried setting proxy back to "use system" and then to "no proxy" again, but seems like this workaround doesn't work anymore.