Would like to know why the add-on didn't get an Update on the Mozilla Page.

You can download the 1.66.6 Version (2022/07/16) from the Homepage of the Developer, just use add-on "Simply Translate" to be able to find it.

The downloader is a life saver for web developers. However, recently I am having this issue - All downloads are queued error.

It doesn't downloads. Obly this notification is shown. Any idea why this happens and how to fix it?

ITS DONT SERCH ON LINKS OF THE PICTURE THAT HAVE THE SAME PICTURE BUT LARGER.

Indispensable! A very useful tool that I have used for 3 or 4 years now. Along with Clipboard History Pro, it's an absolute essential & always either the first or second extension I add on a new device or browser install.
With it's simple GUI that's very straight forward to understand & use... it can will provide great results even in it's default configuration!