I'am unable to install the official MyJDownloader Chrome addon, due to the forced switch to manifestV3, what can I do about it?
The background:
Google decided to drop support for "manifestV2" in favor of "manifestV3" which makes our addon [officially] incompatible with the current Chrome versions.
This means that a lof of older addons won't be usable at all anymore for several reasons which include:
In our case, our MyJD addon is using features which are not possible to use anymore via manifestV3.
Do a websearch on "Chrome manifestV3" if you are interested to find out more about this topic.
Possible solutions
Prolong Chrome manifestV2 support
Windows users
Tweak your registry to allow the prolonged usage of manifestV2 addons in Chrome, see: https://www.regfiles.net/registry/extend-extension-manifest-v2-availability-registry
-> Go to the linked website -> Scroll down and click on the blue "Download" button -> Double click the downloaded .reg file to apply it to your Windows registry
Windows users (without registry change) and all others (Mac/Linux)
Open a new Tab -> Enter the following in the address bar and press enter -> chrome://flags/#allow-legacy-mv2-extensions
-> Set this to "Enabled"
See also: https://stackoverflow.com/questions/79283218/running-unpacked-chrome-extensions-through-the-manifest-v2-deprecation
Another useful guide about how to prolong manifestV2 usage, with specific tutorials for other OS like Linux and Mac:
https://gist.github.com/velzie/053ffedeaecea1a801a2769ab86ab376