jeurissen The contexts returned by runtime.getContexts() always have windowId and tabId -1. For these to contain the actual windowId and tabId. Version 1.1.1 (149), WebKit 625.1.8 Tahoe (26)
jeurissen @nrudnyk the windowId for action popups and sidebar contexts are populated as well in Firefox. This is currently discussed in the webExtension w3c groups: https://github.com/w3c/webextensions/issues/1076
jeurissen @nrudnyk the WECG agreed to always populate the windowId for sidebars and extension popups.
nrudnyk @jeurissen thanks for the follow up. Our fix will match that and will be available in next release. background/offscreen stay -1. Thank you for making Orion a better browser!