File suse-default-prefs.js of Package MozillaThunderbird

pref("general.useragent.vendor", "SUSE");
pref("general.useragent.vendorSub", "RPM_VERSION");
pref("font.default", "sans-serif");
pref("font.default.x-western", "sans-serif");
pref("font.name.monospace.x-western", "monospace");
pref("font.name.monospace.x-unicode", "monospace");
pref("network.negotiate-auth.gsslib", "GSSAPI");
pref("print.print_edge_top", 14); // 1/100 of an inch
pref("print.print_edge_left", 16); // 1/100 of an inch
pref("print.print_edge_right", 16); // 1/100 of an inch
pref("print.print_edge_bottom", 14); // 1/100 of an inch
pref("intl.locale.requested", "");
pref("intl.multilingual.enabled", true);

// do not disable system-global or app-global extensions
pref("extensions.autoDisableScopes", 3);
pref("extensions.shownSelectionUI", true);

// spellcheck
pref("spellchecker.dictionary_path", "/usr/share/myspell");

// (KDE) desktop support
//pref("widget.use-xdg-desktop-portal.file-picker", 1);

// from FF
//pref("intl.locale.requested", "");
//pref("intl.accept_languages", "en-GB,en-DK,en");
pref("intl.multilingual.enabled", true);
//pref("privacy.spoof_english", 1);
pref("browser.startup.homepage", "about:about");
pref("browser.startup.page", 3);
pref("browser.privatebrowsing.autostart", false);
// Ridiculously named multi-threading
pref("browser.tabs.remote.autostart", true);
//pref("browser.tabs.remote.force-enable", true);
//pref("browser.tabs.remote.force-disable", true);
pref("browser.tabs.remote.separateFileUriProcess", true);
pref("browser.tabs.remote.separatePrivilegedContentProcess", true);
pref("browser.tabs.remote.useCrossOriginOpenerPolicy", true);
pref("browser.tabs.remote.useCrossOriginPolicy", true);
pref("extensions.webextensions.remote", true);
pref("gfx.canvas.remote", true);
pref("gfx.canvas.remote.allow-in-parent", true);
//pref("gfx.canvas.remote.worker-threads", 8);
//pref("devtools.browsertoolbox.fission", true);
//pref("fission.openNonFissionWindowOption", true);
//pref("layers.advanced.fission.enabled", true);
pref("browser.urlbar.decodeURLsOnCopy", true);
pref("dom.block_download_insecure", false);
pref("dom.icc.enabled", true);
pref("dom.ipc.processCount", 6);
pref("dom.ipc.processCount.file", 2);
pref("dom.ipc.processCount.webLargeAllocation", 15);
pref("dom.maxHardwareConcurrency", 5);
pref("dom.ipc.processPrelaunch.delayMs", 490);
pref("dom.max_script_run_time", 15);
// Firefox likes to constantly write something with its IndexedDB thread, needlessly degrading SSDs
// and so is Chrome: https://bugs.chromium.org/p/chromium/issues/detail?id=52663
// can we safely disable it ?
pref("dom.indexedDB.logging.enabled", false);
pref("dom.indexedDB.logging.details", false);
pref("experiments.activeExperiment", false);
pref("experiments.enabled", false);
pref("experiments.supported", true);
pref("extensions.ui.experiment.hidden", false);
pref("network.allow-experiments", false);
// Mozilla has very strange definition of font sizes which is 1.5 times smaller
pref("font.size.inflation.minTwips", 200);
pref("font.size.inflation.maxRatio", 2);
pref("font.size.inflation.emPerLine", 10);
pref("font.minimum-size", 13);
pref("font.size.fixed", 15);
pref("font.size.monospace", 15);
pref("font.size.variable", 15);
pref("font.name.monospace", "Hack");
pref("font.name.sans-serif", "Noto Sans");
pref("font.name.serif", "Noto Serif");
pref("font.default", "sans-serif");
pref("font.default.x-western", "sans-serif");
pref("font.default.x-cyrillic", "sans-serif");
pref("font.default.x-unicode", "sans-serif");
// this inexplicably completely breaks UI in Thunderbird, who knows what it can do to FF
//pref("font.language.group", "x-western");
pref("font.minimum-size.x-unicode", 13);
pref("font.size.fixed.x-unicode", 15);
pref("font.size.monospace.x-unicode", 15);
pref("font.size.variable.x-unicode", 15);
pref("font.name.monospace.x-unicode", "Hack");
pref("font.name.sans-serif.x-unicode", "Noto Sans");
pref("font.name.serif.x-unicode", "Noto Serif");
pref("font.minimum-size.x-western", 13);
pref("font.size.fixed.x-western", 15);
pref("font.size.monospace.x-western", 15);
pref("font.size.variable.x-western", 15);
pref("font.name.monospace.x-western", "Hack");
pref("font.name.sans-serif.x-western", "Noto Sans");
pref("font.name.serif.x-western", "Noto Serif");
pref("font.minimum-size.x-cyrillic", 13);
pref("font.size.fixed.x-cyrillic", 15);
pref("font.size.monospace.x-cyrillic", 15);
pref("font.size.variable.x-cyrillic", 15);
pref("font.name.monospace.x-cyrillic", "Hack");
pref("font.name.sans-serif.x-cyrillic", "Noto Sans");
pref("font.name.serif.x-cyrillic", "Noto Serif");
// FF & TB, due to their GTK-based nature, are retarded and hardcoded for 96 dpi "cuz Windoz be like dat and Windoz 2x+good !"
// see https://wiki.archlinux.org/index.php/Firefox/Tweaks#Configure_the_DPI_value and https://wiki.archlinux.org/index.php/HiDPI#Firefox
pref("layout.css.dpi", 0);
pref("layout.css.d-property.enabled", true);
pref("layout.css.cross-fade.enabled", true);
pref("layout.css.convertFromNode.enabled", true);
pref("layout.css.constructable-stylesheets.enabled", true);
pref("layout.css.color-scheme.enabled", true);
pref("layout.css.color-mix.color-spaces.enabled", true);
pref("layout.css.cascade-layers.enabled", true);
//pref("layout.css.emulate-moz-box-with-flex", true);
//pref("layout.css.fit-content-function.enabled", true);
pref("layout.css.math-depth.enabled", true);
pref("layout.css.math-style.enabled", true);
pref("layout.css.motion-path-ray.enabled", true);
//pref("layout.css.moz-document.content.enabled", true);
pref("layout.css.prefers-contrast.enabled", true);
// This shite needs to be hardcoded per display… yeah
//pref("layout.css.devPixelsPerPx", "-1.0");
// This should have been 'false' if FF used real DPI of a display
pref("browser.zoom.full", true);
pref("browser.zoom.siteSpecific", true);
pref("browser.ui.zoom.force-user-scalable", true);
pref("zoom.minPercent", 10);
pref("zoom.maxPercent", 500);
//pref("geo.wifi.uri", "https://location.services.mozilla.com/v1/geolocate?key=%MOZILLA_API_KEY%");
// Use on-disk and RAM caches
pref("browser.cache.compression_level", 1);
pref("browser.cache.disk.amount_written", 170754);
// It's in MBs… but only this one !
pref("browser.cache.disk.capacity", 1024);
pref("browser.cache.disk.filesystem_reported", 1);
pref("browser.cache.disk.hashstats_reported", 1);
pref("browser.cache.disk.parent_directory", "${HOME}/.cache/mozilla/SHITTER");
pref("browser.cache.disk.smart_size.enabled", false);
pref("browser.cache.disk.smart_size.first_run", false);
pref("browser.cache.disk.smart_size.use_old_max", false);
pref("browser.cache.disk.smart_size_cached_value", 358400);
pref("browser.cache.disk_cache_ssl", true);
pref("browser.cache.memory.capacity", 512000);
pref("browser.cache.memory.max_entry_size", 20480);
// Use GPU. Mozilla continues to deliberately ignore Linux in general and AMD GPUs in particular, the only real GPUs with F/OSS drivers
pref("gfx.offscreencanvas.enabled", true);
pref("gfx.omta.background-color", true);
//pref("gfx.prefer-mesa-llvmpipe", false);
//pref("gfx.prefer-x11-egl", true);
//pref("gfx.x11-egl.force-enabled", true);
pref("gfx.swap-interval.egl", true);
// fps cap ?
pref("layout.throttled_frame_rate", 120);
// WebRender may segfault on Mesa if mesa_glthread=true
// this just forced CPU rendering for no reason
//pref("gfx.webrender.software", true);
pref("gfx.webrender.software.opengl", true);
pref("gfx.webrender.all", true);
pref("gfx.webrender.enabled", true);
pref("gfx.webrender.layers-free", true);
pref("gfx.webrendest.enabled", true);
pref("gfx.webrender.batched-texture-uploads", true);
//pref("gfx.webrender.compositor", true);
//pref("gfx.webrender.max-partial-present-rects", "-1");
//pref("gfx.webrender.compositor.force-enabled", true);
//pref("gfx.webrender.compositor.surface-pool-size", 32);
//pref("gfx.webrender.enable-gpu-markers", true);
//pref("gfx.webrender.enable-low-priority-pool", true);
//pref("gfx.webrender.max-filter-ops-per-chain", 256);
// actual shader cache
pref("gfx.webrender.program-binary-disk", true);
pref("gfx.webrender.precache-shaders", true);
pref("gfx.webrender.svg-images", true);
pref("gfx.webrender.svg-filter-effects", true);
pref("gfx.webrender.quality.force-subpixel-aa-where-possible", true);
// https://bugzilla.mozilla.org/show_bug.cgi?id=1694445
pref("widget.use-xdg-desktop-portal", true);
pref("widget.use-xdg-desktop-portal.file-picker", 1);
pref("widget.use-xdg-desktop-portal.mime-handler", 1);
pref("widget.titlebar-x11-use-shape-mask", true);
// https://bugzilla.mozilla.org/show_bug.cgi?id=1629140
// this is heavily broken
//pref("widget.wayland.vsync.enabled", false);
// without this FF goes all screwy with a 2nd window
pref("widget.wayland.vsync.keep-firing-at-idle", true);
//pref("widget.wayland.fractional-scale.enabled", true);
pref("widget.gtk.global-menu.wayland.enabled", true);
pref("widget.wayland-smooth-rendering", true);
pref("widget.wayland-dmabuf-vaapi.enabled", true);
pref("widget.wayland-dmabuf-video-textures.enabled", true);
pref("widget.wayland-dmabuf-webgl.enabled", true);
pref("widget.wayland_dmabuf_backend.enabled", true);
pref("widget.wayland.async-data-transfer.enabled", true);
// https://firefox-source-docs.mozilla.org/gfx/AdvancedLayers.html
pref("layers.mlgpu.enabled", true);
pref("layers.mlgpu.enable-depth-buffer", true);
pref("layers.mlgpu.enable-cpu-occlusion", false);
// Mozilla just can't figure this one out ! or maybe it finally did ?
//pref("layers.async-pan-zoom.enabled", false);
pref("gfx.webrender.split-render-roots", true);
// This is still broken and likely to be never fixed
//pref("gfx.use-glx-texture-from-pixmap", false);
pref("gfx.xrender.enabled", false);
pref("gfx.canvas.accelerated", true);
//pref("gfx.canvas.azure.accelerated", true);
//pref("gfx.canvas.azure.backends", "skia,cairo");
//pref("gfx.canvas.azure.enabled", true);
// https://www.reddit.com/r/firefox/comments/p5wsq4/any_explanation_for_color_management_settings/
pref("gfx.color_management.enablev4", true);
pref("gfx.color_management.mode", 1);
pref("gfx.content.azure.accelerated", true);
//pref("gfx.content.azure.backends", "skia,cairo");
//pref("gfx.content.azure.enable", true);
//pref("gfx.content.always-paint", true);
pref("gfx.use_text_smoothing_setting", true);
pref("gfx.e10s.font-list.shared", true);
pref("gfx.font-list-omt.enabled", true);
//pref("gfx.work-around-driver-bugs", false);
//pref("gfx.use-mutex-on-present", true);
// partial present /buffer-age known for glitching out on Mesa sometimes
// https://bugzilla.mozilla.org/show_bug.cgi?id=1244735
//pref("gfx.partialpresent.force", -1);
//pref("gfx.webrender.allow-partial-present-buffer-age", false);
//pref("gfx.webrender.force-partial-present", false);
//pref("layout.animation.prerender.partial", false);
pref("gfx.use-ahardwarebuffer-content", true);
//pref("layers.acceleration.force-enabled", true);
pref("layers.gpu-process.startup_timeout_ms", 1900);
pref("layers.gpu-process.ipc_reply_timeout_ms", 2100);
//pref("gfx.webrender.fallback.basic", true);
//pref("gfx.webrender.fallback.software", true);
//pref("gfx.webrender.fallback.software.requires-gpu-process", true);
//pref("layers.gpu-process.allow-software", true);
pref("layers.gpu-process.enabled", true);
//pref("layers.gpu-process.force-enabled", true);
//pref("layers.force-active", true);
pref("layers.offmainthreadcomposition.enabled", true);
//pref("layers.offmainthreadcomposition.animate-opacity", true);
//pref("layers.offmainthreadcomposition.animate-transform", true);
//pref("layers.progressive-paint", true);
pref("layers.omtp.enabled", true);
pref("layers.omtp.release-capture-on-main-thread", true);
// Tiles ?
//pref("layers.enable-tiles", true);
pref("layers.enable-tiles-if-skia-pomtp", true);
//pref("layers.single-tile.enabled", false);
//pref("layers.force-per-tile-drawing", true);
pref("gfx.webrender.picture-tile-height", 256);
pref("gfx.webrender.picture-tile-width", 512);
pref("layers.tile-height", 256);
pref("layers.tile-width", 512);
pref("layers.compositing-tiles.height", 256);
pref("layers.compositing-tiles.width", 512);
pref("webgl.max-contexts", 256);
pref("webgl.max-contexts-per-principal", 64);
//pref("webgl.force-enabled", true);
//pref("webgl.all-angle-options", true);
//pref("webgl.disable-angle", true);
pref("webgl.out-of-process", true);
pref("webgl.out-of-process.force", true);
pref("webgl.allow-immediate-queries", true);
pref("webgl.1.allow-core-profiles", true);
pref("webgl.allow-fb-invalidation", true);
pref("webgl.enable-ahardwarebuffer", true);
pref("webgl.enable-draft-extensions", true);
pref("webgl.enable-privileged-extensions", true);
pref("webgl.enable-surface-texture", true);
pref("widget.dmabuf-webgl.enabled", true);
pref("pdfjs.enableWebGL", true);
// supposed Vulkan-age WebGL replacement. Will likely crash on initialization
// unlikely to ever be released, let alone - adopted
//pref("dom.webgpu.enabled", true);
//pref("dom.paintWorklet.enabled", true);
//pref("dom.send_after_paint_to_content", true);
pref("image.jxl.enabled", true);
// Older GPUs don't have hardware acceleration for vp9 or av1 but h264 has worse quality for the same bitrate
pref("media.av1.enabled", true);
pref("image.avif.enabled", true);
pref("image.cache.max-rasterized-svg-threshold-kb", 262144);
pref("image.decode-immediately.enabled", true);
pref("dom.media.webcodecs.enabled", true);
// NO, shut up !
pref("media.autoplay.enabled", false);
// Don't blast audio on full all the time !
pref("media.default_volume", "0.5");
// We don't want DRM backdoors but this is required for "online TV" trojans
//pref("media.eme.enabled", false);
// We want proper open-source codecs and not CISCO's "certified" blobs
pref("media.gmp-gmpopenh264.enabled", false);
pref("media.gmp-gmpopenh264.provider.enabled", false);
//pref("media.gmp-provider.enabled", false);
//pref("media.gmp.decoder.aac", 1);
//pref("media.gmp.decoder.enabled", true);
//pref("media.gmp.decoder.h264", 1);
pref("media.ffmpeg.allow-openh264", false);
pref("media.gmp.decoder.decode_batch", true);
pref("media.gmp.decoder.multithreaded", true);
// https://bugzilla.mozilla.org/show_bug.cgi?id=1619523
//pref("media.ffvpx.enabled", false);
pref("media.navigator.mediadatadecoder_vpx_enabled", true);
// May be broken at least until FF v81
pref("media.gpu-process-decoder", true);
pref("media.hardware-video-decoding.enabled", true);
//pref("media.hardware-video-decoding.force-enabled", true);
//pref("media.cubeb.sandbox_v2", true);
pref("media.rdd-process.startup_timeout_ms", 1900);
pref("media.rdd-webaudio.batch.size", 256);
//pref("media.rdd-process.enabled", true);
pref("media.rdd-opus.enabled", true);
pref("media.rdd-theora.enabled", true);
//pref("media.rdd-vpx.enabled", false);
//pref("media.rdd-ffvpx.enabled", false);
pref("media.rdd-ffmpeg.enabled", true);
pref("media.ffmpeg.vaapi.enabled", true);
pref("media.ffmpeg.vaapi-drm-display.enabled", true);
pref("media.ffmpeg.dmabuf-textures.enabled", true);
pref("media.ffmpeg.encoder.enabled", true);
// disable WebRTC for good?
//pref("media.peerconnection.enabled", false);
// ICE should be enabled for Tor's snowflake bridges to operate
pref("media.peerconnection.ice.link_local", true);
pref("media.peerconnection.ice.loopback", true);
pref("media.peerconnection.agc_enabled", true);
pref("media.peerconnection.noise_enabled", true);
pref("media.peerconnection.mtransport_process", true);
pref("media.peerconnection.video.h264_enabled", true);
pref("media.peerconnection.video.vp9_enabled", true);
pref("media.peerconnection.video.vp9_preferred", true);
pref("media.webrtc.hw.h264.enabled", true);
pref("media.webrtc.platformencoder", true);
pref("media.webrtc.platformencoder.sw_only", false);
pref("media.webrtc.software_encoder.fallback", true);
pref("media.mediasource.webm.enabled", true);
pref("media.mediasource.experimental.enabled", true);
pref("media.navigator.video.red_ulpfec_enabled", true);
pref("media.navigator.video.use_tmmbr", true);
pref("media.navigator.video.default_height", 720);
pref("media.navigator.video.default_width", 1280);
pref("media.navigator.video.default_fps", 60);
pref("media.tabstreaming.height", 480);
pref("media.tabstreaming.width", 640);
pref("media.fragmented-mp4.exposed", true);
pref("media.resampling.enabled", true);
pref("network.protocol-handler.external.magnet", true);
// huh ?
//pref("network.dns.offline-localhost", false);
// Tor
pref("network.dns.blockDotOnion", false);
// DNS encryption
pref("network.dns.echconfig.enabled", true);
pref("network.dns.use_https_rr_for_speculative_connection", true);
pref("network.proxy.ftp", "localhost");
pref("network.proxy.ftp_port", 8080);
pref("network.proxy.http", "localhost");
pref("network.proxy.http_port", 8080);
pref("network.proxy.no_proxies_on", "localhost, 127.0.0.1/8, 192.168.0.0/16");
pref("network.proxy.socks", "localhost");
pref("network.proxy.socks_port", 9050);
pref("network.proxy.socks_remote_dns", true);
pref("network.proxy.ssl", "localhost");
pref("network.proxy.ssl_port", 8080);
pref("network.proxy.type", 0);
// More parallel connections
pref("network.http.max-persistent-connections-per-proxy", 256);
pref("network.http.max-persistent-connections-per-server", 48);
pref("network.http.pipelining", true);
pref("network.http.pipelining.aggressive", false);
pref("network.http.pipelining.max-optimistic-requests", 6);
pref("network.http.pipelining.maxrequests", 64);
pref("network.http.pipelining.maxsize", 262144);
pref("network.http.pipelining.reschedule-on-timeout", true);
pref("network.http.pipelining.ssl", true);
pref("network.http.proxy.pipelining", true);
// https://bugzilla.mozilla.org/show_bug.cgi?id=1211165
pref("network.http.speculative-parallel-limit", 0);
// Beef-up network ?
pref("media.cache_readahead_limit", 30);
pref("media.cache_size", 524288);
pref("media.memory_cache_max_size", 131072);
pref("media.media.memory_caches_combined_limit_kb", 1048576);
pref("media.memory_caches_combined_limit_pc_sysmem", 12);
pref("network.ssl_tokens_cache_enabled", true);
// may segfault on startup and make whole thing inoperable
//pref("network.process.enabled", false);
pref("network.http.network_access_on_socket_process.enabled", true);
pref("network.http.keep-alive.timeout", 58);
pref("network.http.connection-retry-timeout", 29);
pref("network.http.max-connections", 2048);
pref("network.http.max-connections-per-server", 96);
pref("network.buffer.cache.count", 128);
// 65536-2097152-16777216 ?
pref("network.tcp.tcp_fastopen_enable", true);
pref("network.buffer.cache.count", 64);
pref("network.buffer.cache.size", 2097152);
pref("network.tcp.sendbuffer", 0);
// https://bugzilla.mozilla.org/show_bug.cgi?id=1634020
//pref("network.http.http3.enabled", false);
// Limit to avoid buffer fill delays ? Must be ≥16KB, 64KB (65536) may fit into GSO packet, 2MB (2097152) - into a "huge page" in RAM
// Use '0' for 'system default' ?
pref("network.http.http3.recvBufferSize", 2097152);
//pref("network.http.http3.max_data", 16777216);
//pref("network.http.http3.max_stream_data", 2097152);
pref("network.http.http3.default-qpack-table-size", 2097152);
pref("network.dns.http3_echconfig.enabled", true);
pref("network.http.http3.enable_qlog", false);
//pref("network.http.http3.enable_0rtt", false);
//pref("network.http.http3.support_version1", false);
pref("network.http.http3.version_negotiation.enabled", true);
pref("network.dns.httpssvc.http3_fast_fallback_timeout", 90);
pref("network.http.http3.parallel_fallback_conn_limit", 256);
pref("network.http.http3.default-max-stream-blocked", 64);
pref("network.websocket.allowInsecureFromHTTPS", true);
pref("dom.udpsocket.enabled", true);
// Deprecated and insecure ? https://github.com/dillbyrne/random-agent-spoofer/issues/478
// HTTP2 seems to suck on Google's sites
//pref("network.http.http2.enabled", false);
pref("network.http.http2.timeout", 170);
pref("network.http.http2.ping-timeout", 3);
pref("network.http.http2.default-concurrent", 255);
pref("network.http.http2.chunk-size", 16384);
pref("network.http.http2.send-buffer-size", 2097152);
pref("network.http.http2.default-hpack-buffer", 2097152);
pref("network.http.http2.pull-allowance", 16777216);
pref("network.http.http2.push-allowance", 2097152);
pref("network.http.http2.websockets", true);
//pref("network.http.http2.persistent-settings", true);
pref("dom.push.http2.maxRetries", 3);
pref("dom.push.http2.reset_retry_count_after_ms", 2500);
pref("dom.push.http2.retryInterval", 250);
pref("javascript.options.baselinejit.threshold", 48);
pref("javascript.options.ion.threshold", 256);
pref("javascript.options.use_fdlibm_for_sin_cos_tan", true);
//pref("javascript.options.wasm", true);
//pref("javascript.options.wasm_baselinejit", true);
pref("javascript.options.wasm_gc", true);
pref("javascript.options.wasm_simd", true);
pref("javascript.options.wasm_simd_avx", true);
pref("javascript.options.wasm_memory64", true);
pref("javascript.options.wasm_extended_const", true);
pref("javascript.options.wasm_function_references", true);
pref("javascript.options.wasm_relaxed_simd", true);
pref("javascript.options.wasm_simd_wormhole", true);
// https://bugzilla.mozilla.org/show_bug.cgi?id=1474543
pref("javascript.options.writable_streams", true);
// For Tree-Style Tab
pref("svg.context-properties.content.enabled", true);
// DO IT, you bastard !
pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
// No, thanks, Mozilla
pref("xpinstall.signatures.required", false);
// Not only Mozilla has killed support for Adobe Flash blobs, it blocks Lightspark from loading local files for no reason
pref("plugins.http_https_only", false);
// Shut up, no one gives a shit!
pref("full-screen-api.approval-required", false);
pref("full-screen-api.warning.delay", 0);
pref("full-screen-api.warning.timeout", 0);
// Be dark
pref("browser.display.background_color", "#EEEEEE");
pref("browser.display.focus_background_color", "#31363b");
pref("browser.display.focus_text_color", "#eff0f1");
pref("browser.display.foreground_color", "#0c0d0b");
pref("browser.display.use_system_colors", true);
pref("extensions.activeThemeID", "firefox-compact-dark@mozilla.org");
pref("reader.color_scheme", "dark");
pref("devtools.theme", "dark");
// These may glitch out
pref("browser.in-content.dark-mode", true);
pref("widget.disable-dark-scrollbar", false);
pref("widget.gtk.alt-theme.scrollbar", true);
pref("widget.content.allow-gtk-dark-theme", true);
pref("widget.gtk.alt-theme.dark", true);
// Use system-wide DNS caching instead
pref("network.dnsCacheEntries", 64);
pref("network.dnsCacheExpiration", 10);
pref("network.dnsCacheExpirationGracePeriod", 5);
pref("network.dns.negative_ttl_for_type_record", 0);
pref("network.dns.disablePrefetch", true);
pref("network.dns.limit_253_chars", false);
pref("network.predictor.enabled", false);
pref("network.prefetch-next", false);
pref("network.preload", true);
pref("browser.fixup.dns_first_for_single_words", true);
pref("browser.fixup.alternate.enabled", false);
pref("network.mdns.use_js_fallback", true);
// Disable DoH by default
pref("network.trr.mode", 5);
pref("network.trr.fallback-on-zero-response", true);
pref("network.trr.odoh.min_ttl", 0);
pref("network.trr.builtin-excluded-domains", "local");
pref("network.trr.allow-rfc1918", true);
// Do not disable system-global or app-global extensions ?
//pref("extensions.autoDisableScopes", 3);
// Do not disable any scope
pref("extensions.autoDisableScopes", 0);
pref("extensions.shownSelectionUI", true);
pref("extensions.langpacks.signatures.required", false);
// enable D-Bus inteface for Gnome Shell search
pref("browser.gnome-search-provider.enabled", true);
// another disrespectful Mozilla idiocy: https://support.mozilla.org/en-US/questions/1370409
//pref("browser.download.improvements_to_download_panel", false);