Disable HTTPS-only mode in the profile we control, we're using HTTPS-Everywhere instead since we don't have the ability to deny upgrades to https from .i2p hostnames yet(tor does, though, via dom.security.https_only_mode.upgrade_onion=false, which is probably easy to adapt for us

changelog.txt

@@ -1,3 +1,9 @@
+2020-12-20
+* Add I2P in Private Browsing plugin, which for the purposes of this profile provides
+ - X-I2P-Location functionality(Alternate service locations for mirrors)
+ - X-I2P-TorrentLocation functionality(Alternate resource locations for sites)
+ - Pre-Disable HTTPS only mode dom.security.https_only_mode=false in the profile in favor of HTTPS-Everywhere
+
 2019-02-10 zab
 * Fix missing texts on Finish page
 

src/profile/prefs.js

@@ -39,3 +39,4 @@ user_pref("network.proxy.socks", "127.0.0.1");
 user_pref("network.proxy.socks_port", 4444);
 user_pref("network.proxy.share_proxy_settings", true);
 user_pref("browser.startup.homepage", "about:blank");
+user_pref("dom.security.https_only_mode", false);

src/profile/user.js

@@ -207,3 +207,4 @@ user_pref("browser.chrome.errorReporter.infoURL", "");
 user_pref("breakpad.reportURL", "");
 user_pref("browser.newtabpage.activity-stream.default.sites", "");
 //user_pref("browser.newtabpage.activity-stream.default.sites", "http://planet.i2p/,http://legwork.i2p/,http://i2pwiki.i2p/,http://i2pforums.i2p/,http://zzz.i2p/");
+user_pref("dom.security.https_only_mode", false);