Use firefox User Agent for compatibility

src/browser/app/profile/zen-browser.js

@@ -10,3 +10,108 @@ pref("browser.urlbar.suggest.calculator", true);
 #ifdef MOZ_UPDATE_CHANNEL
 pref("devtools.debugger.prompt-connection", false);
 #endif
+
+// Mozilla Services
+pref('browser.privatebrowsing.vpnpromourl', '');
+pref('extensions.getAddons.showPane', false);
+pref('extensions.htmlaboutaddons.recommendations.enabled', false);
+pref('browser.discovery.enabled', false);
+pref('browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons', false);
+pref(
+  'browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features',
+  false
+);
+pref('browser.preferences.moreFromMozilla', false);
+pref('browser.aboutwelcome.enabled', true);
+pref("browser.aboutwelcome.showModal", true);
+
+// Theme
+pref('toolkit.legacyUserProfileCustomizations.stylesheets', true);
+pref('browser.compactmode.show', true);
+pref('browser.display.focus_ring_on_anything', true);
+pref('browser.display.focus_ring_style', 0);
+pref('browser.display.focus_ring_width', 0);
+pref('browser.privateWindowSeparation.enabled', false); // WINDOWS
+
+// Cookie banner handling (reject by default)
+
+pref('cookiebanners.service.mode', 1);
+pref('cookiebanners.service.mode.privateBrowsing', 1);
+
+// Url bar
+pref('browser.urlbar.unitConversion.enabled', true);
+pref('browser.urlbar.trending.featureGate', false);
+
+// new tab page
+pref('browser.newtabpage.activity-stream.feeds.topsites', false);
+pref('browser.newtabpage.activity-stream.feeds.section.topstories', false);
+
+// Pocket
+pref('extensions.pocket.enabled', false);
+
+// Pdf
+pref('browser.download.open_pdf_attachments_inline', true);
+
+// Tabs
+pref('browser.bookmarks.openInTabClosesMenu', false);
+pref('browser.menu.showViewImageInfo', true);
+pref('findbar.highlightAll', true);
+pref('layout.word_select.eat_space_to_next_word', false);
+
+// UA
+pref('general.useragent.compatMode.firefox', true);
+
+
+// Tracking protection
+
+pref(
+  'urlclassifier.trackingSkipURLs',
+  '*.reddit.com, *.twitter.com, *.twimg.com, *.tiktok.com'
+);
+pref(
+  'urlclassifier.features.socialtracking.skipURLs',
+  '*.instagram.com, *.twitter.com, *.twimg.com'
+);
+pref('network.cookie.sameSite.noneRequiresSecure', true);
+pref('browser.download.start_downloads_in_tmp_dir', true);
+pref('browser.helperApps.deleteTempFileOnExit', true);
+pref('privacy.globalprivacycontrol.enabled', true);
+
+pref('gfx.canvas.accelerated.cache-items', 4096);
+pref('gfx.canvas.accelerated.cache-size', 512);
+pref('gfx.content.skia-font-cache-size', 20);
+
+// From: https://github.com/yokoffing/Betterfox
+
+/** DISK CACHE ***/
+pref('browser.cache.jsbc_compression_level', 3);
+
+/** MEDIA CACHE ***/
+pref('media.memory_cache_max_size', 65536);
+pref('media.cache_readahead_limit', 7200);
+pref('media.cache_resume_threshold', 3600);
+
+/** IMAGE CACHE ***/
+pref('image.mem.decode_bytes_at_a_time', 32768);
+
+/** NETWORK ***/
+pref('network.buffer.cache.size', 262144);
+pref('network.buffer.cache.count', 128);
+pref('network.http.max-connections', 1800);
+pref('network.http.max-persistent-connections-per-server', 10);
+pref('network.http.max-urgent-start-excessive-connections-per-host', 5);
+pref('network.http.pacing.requests.enabled', false);
+pref('network.dnsCacheExpiration', 3600);
+pref('network.dns.max_high_priority_threads', 8);
+pref('network.ssl_tokens_cache_capacity', 10240);
+
+/** SPECULATIVE LOADING ***/
+pref('network.dns.disablePrefetch', true);
+pref('network.prefetch-next', false);
+pref('network.predictor.enabled', false);
+
+/** EXPERIMENTAL ***/
+pref('layout.css.grid-template-masonry-value.enabled', true);
+pref('dom.enable_web_task_scheduling', true);
+pref('layout.css.has-selector.enabled', true);
+pref('dom.security.sanitizer.enabled', true);

src/browser/themes/shared/sidebar-css.patch

@@ -1,8 +1,8 @@
 diff --git a/browser/themes/shared/sidebar.css b/browser/themes/shared/sidebar.css
-index a9b3886e1ff4a36c5bd161985719f66a41d95458..15faf43cfff399609d93df9be8e957aee5bbf13c 100644
+index a9b3886e1ff4a36c5bd161985719f66a41d95458..de985168435872fef1b2ab9f8672f1fa96a9d5f7 100644
 --- a/browser/themes/shared/sidebar.css
 +++ b/browser/themes/shared/sidebar.css
-@@ -137,3 +137,16 @@ menuseparator + #sidebar-extensions-separator {
+@@ -137,3 +137,26 @@ menuseparator + #sidebar-extensions-separator {
    fill: currentColor;
    opacity: 0.8;
  }
@@ -16,6 +16,16 @@ index a9b3886e1ff4a36c5bd161985719f66a41d95458..15faf43cfff399609d93df9be8e957ae
 +}
 +
 +#sidebar-box {
-+  margin-left: 10px;
++  margin: 0 0 10px 10px;
 +  border-radius: var(--zen-panel-radius);
 +}
++
++#sidebar-splitter {
++  /* we can still use the splitter but we can't see it */
++  background: transparent;
++  width: 1px;
++}
++
++#sidebar-box[positionend] {
++  margin: 0 10px 10px 0;
++}