When I start Firefox in the console and activate this add-on some errors are shown:
1475670927789 addons.webextension.moarTLS@bayden.com WARN Loading extension 'moarTLS@bayden.com': Reading manifest: Error processing background.persistent: Event pages are not currently supported. This will run as a persistent background page.
1475670927791 addons.webextension.moarTLS@bayden.com WARN Loading extension 'moarTLS@bayden.com': Reading manifest: Error processing author: An unexpected property was found in the WebExtension manifest.
1475670927791 addons.webextension.moarTLS@bayden.com WARN Loading extension 'moarTLS@bayden.com': Reading manifest: Error processing minimum_chrome_version: An unexpected property was found in the WebExtension manifest.
1475670927791 addons.webextension.moarTLS@bayden.com WARN Loading extension 'moarTLS@bayden.com': Reading manifest: Error processing minimum_edge_version: An unexpected property was found in the WebExtension manifest.
1475670927850 addons.webextension.moarTLS@bayden.com WARN Please specify whether you want browser_style or not in your browser_action options.
When I start Firefox in the console and activate this add-on some errors are shown:
These errors are also shown on subsequent starts.
Firefox 49.0 Linux x64