Hi, on the toolbar (just on a regular tab, not the Add-ons page), could you try the "puzzle piece" button:

Manage your extensions using the extensions button in the toolbar

First of all, when you click the puzzle piece, it opens the "extensions and themes" tab; it does not show the list of extensions like the tutorial shows.

Mozilla, in its wisdom appears to have decided that pinning extensions to the toolbar is NOT in the user's best interest and has removed an UI "pin to toolbar" option. It appears there was a workaround using a combination of Windows registry edits and firefox about:policies pages edits, but they appear to have even blocked that path in this latest update. I guess they figure they know what is good for you and you don't.

VERY frustrating.

First of all, when you click the puzzle piece, it opens the "extensions and themes" tab; it does not show the list of extensions like the tutorial shows. Mozilla, in its wisdom appears to have decided that pinning extensions to the toolbar is NOT in the user's best interest and has removed an UI "pin to toolbar" option. It appears there was a workaround using a combination of Windows registry edits and firefox about:policies pages edits, but they appear to have even blocked that path in this latest update. I guess they figure they know what is good for you and you don't. VERY frustrating.

If you have installed extensions that have a toolbar button, and they're not on the toolbar or the Extensions button drop-down, do they appear on the new sidebar vertical button bar ("launcher")? If they aren't there either, is it possible you are using a private window but none of your extensions are enabled to run in private windows? Check this article for more info on that situation: Extensions in Private Browsing.

jscher2000,

You nailed it. However it took several tries. Apparently on the machine in question the user had private browsing as the default in Firefox settings. She turned it off after installing the extension, but it didn't provide the ability get a "Pin to toolbar" button for some reason.

After seeing your post, we went back, uninstalled the only two extensions for this FF instance, closed FF, re-opened it, made sure private browsing was off AND set the "Enhanced Tracking Protection" from "Strict" to "Standard", closed FF again, re-opened it and THEN installed the extensions to get access to "Pin to Toolbar" back from the "puzzle piece".

The user on that machine has left private browsing disabled and tracking protection at "standard", probably out of fear, but I think she could set those back on / "strict" without issue until she decides to add another extension.

Thanks for the assistance.

The user on that machine has left private browsing disabled and tracking protection at "standard", probably out of fear, but I think she could set those back on / "strict" without issue until she decides to add another extension.

Tracking Protection level should not affect whether extensions are enabled or appear in the UI. I don't know whether it might affect how an extension works on a site (whether scripts injected into the page work as intended).