1.0.4 {8de7fcbb-c55c-4fbe-bfc5-fc555c87dbc4} 28.14.0 29.* https://github.com/JustOff/github-wc-polyfill/releases/download/1.0.4/github-wc-polyfill-1.0.4.xpi {ec8030f7-c20a-464f-9b0e-13a3a9e97384} 52.9 52.* https://github.com/JustOff/github-wc-polyfill/releases/download/1.0.4/github-wc-polyfill-1.0.4.xpi