FIX github !

[AroKol78]

You are having problems with the page you are on [ https://github.com/... ]
Install the file from https://github.com/JustOff/github-wc-polyfill/releases
e.g github-wc-polyfill-1.1.4
The latest versions are recommended.
Or check update Add-ons Extensions - GitHub Web Components Polyfill

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most add-ons do not like multiprocessing (e10s) enabled (example "github-wc-polyfill")
https://bugzilla.mozilla.org/show_bug.cgi?id=1261585

[THEtomaso]

Workaround:
https://forum.palemoon.org/viewtopic.php?f=70&t=25451#p201896

[IP-CAM]

Great to know, my Browser now works again in Full on Github.
Thenks a lot !
Ernie - IP-CAM on Github

[AroKol78]

Thanks are due to @JustOff

[jazei-AR]

https://github.com/JustOff/github-wc-polyfill/releases

for the future, please for ignorant techies like me, could you explain the problem with some text in future posts. I read the post but I didn't understand anything and I had the problem described in this post too and I had to post without knowing that I already had a solution. thank you very much

[L3P3]

There was a JS error about missing "window.customElements". Was it that? I did not notice issues in GitHub.

[AroKol78]

@L3P3 example problem https://github.com/Feodor2/Mypal/issues/276

[wdlkmpx]

Current version is github-wc-polyfill-1.1.6.xpi

It works in Mypal, I think this extensions should be included by default in Mypal, things are broken.