diff --git a/cli/test/cli/run-test.js b/cli/test/cli/run-test.js
index 0b866324c39e..c65864b26160 100644
--- a/cli/test/cli/run-test.js
+++ b/cli/test/cli/run-test.js
@@ -37,6 +37,7 @@ describe('CLI run', function() {
 
       const flags = getFlags([
         '--output=json',
+        `--extra-headers '{"Cookie":"monster=blue"}'`,
         `--output-path=${filename}`,
         '--plugins=lighthouse-plugin-simple',
         // Use sample artifacts to avoid gathering during a unit test.
diff --git a/core/lib/proto-preprocessor.js b/core/lib/proto-preprocessor.js
index e025f733d981..63c65160fee7 100644
--- a/core/lib/proto-preprocessor.js
+++ b/core/lib/proto-preprocessor.js
@@ -22,29 +22,12 @@ function processForProto(lhr) {
   /** @type {LH.Result} */
   const reportJson = JSON.parse(JSON.stringify(lhr));
 
-  // Clean up the configSettings
-  // Note: This is not strictly required for conversion if protobuf parsing is set to
-  // 'ignore unknown fields' in the language of conversion.
+  // Drop these fields as we've omitted them from the proto for simplicity
   if (reportJson.configSettings) {
-    // The settings that are in both proto and LHR
-    const {
-      formFactor,
-      locale,
-      onlyCategories,
-      channel,
-      throttling,
-      screenEmulation,
-      throttlingMethod} = reportJson.configSettings;
-
-    // @ts-expect-error - intentionally only a subset of settings.
-    reportJson.configSettings = {
-      formFactor,
-      locale,
-      onlyCategories,
-      channel,
-      throttling,
-      screenEmulation,
-      throttlingMethod};
+    // @ts-expect-error Removing non-optional field.
+    delete reportJson.configSettings.auditMode;
+    // @ts-expect-error Removing non-optional field.
+    delete reportJson.configSettings.gatherMode;
   }
 
   // Remove runtimeError if it is NO_ERROR
diff --git a/core/test/lib/proto-preprocessor-test.js b/core/test/lib/proto-preprocessor-test.js
index 59c859cda868..336beb4bc58c 100644
--- a/core/test/lib/proto-preprocessor-test.js
+++ b/core/test/lib/proto-preprocessor-test.js
@@ -37,13 +37,35 @@ describe('processing for proto', () => {
     expect(output).toMatchObject(expectation);
     expect(Object.keys(output.configSettings)).toMatchInlineSnapshot(`
 Array [
+  "output",
+  "maxWaitForFcp",
+  "maxWaitForLoad",
+  "pauseAfterFcpMs",
+  "pauseAfterLoadMs",
+  "networkQuietThresholdMs",
+  "cpuQuietThresholdMs",
   "formFactor",
-  "locale",
-  "onlyCategories",
-  "channel",
   "throttling",
-  "screenEmulation",
   "throttlingMethod",
+  "screenEmulation",
+  "emulatedUserAgent",
+  "clearStorageTypes",
+  "disableStorageReset",
+  "debugNavigation",
+  "channel",
+  "usePassiveGathering",
+  "disableFullPageScreenshot",
+  "skipAboutBlank",
+  "blankPage",
+  "ignoreStatusCode",
+  "locale",
+  "blockedUrlPatterns",
+  "additionalTraceCategories",
+  "extraHeaders",
+  "precomputedLanternData",
+  "onlyAudits",
+  "onlyCategories",
+  "skipAudits",
 ]
 `);
     // This must be correctly populated for appropriate report metablock rendering
diff --git a/core/test/results/artifacts/artifacts.json b/core/test/results/artifacts/artifacts.json
index c86942e94961..2ca5e940cad3 100644
--- a/core/test/results/artifacts/artifacts.json
+++ b/core/test/results/artifacts/artifacts.json
@@ -458,7 +458,9 @@
     "locale": "en-US",
     "blockedUrlPatterns": null,
     "additionalTraceCategories": null,
-    "extraHeaders": null,
+    "extraHeaders": {
+      "Cookie": "monster=blue"
+    },
     "precomputedLanternData": null,
     "onlyAudits": null,
     "onlyCategories": null,
diff --git a/core/test/results/sample-config.js b/core/test/results/sample-config.js
index e711264b3e71..9133480728df 100644
--- a/core/test/results/sample-config.js
+++ b/core/test/results/sample-config.js
@@ -13,6 +13,9 @@ const sampleConfig = {
   extends: 'lighthouse:default',
   settings: {
     throttlingMethod: 'devtools',
+    extraHeaders: {
+      'Cookie': 'monster=blue',
+    },
   },
 };
 
diff --git a/core/test/results/sample_v2.json b/core/test/results/sample_v2.json
index 1608a93ce6ea..f1552dfcbab0 100644
--- a/core/test/results/sample_v2.json
+++ b/core/test/results/sample_v2.json
@@ -7243,7 +7243,9 @@
     "locale": "en-US",
     "blockedUrlPatterns": null,
     "additionalTraceCategories": null,
-    "extraHeaders": null,
+    "extraHeaders": {
+      "Cookie": "monster=blue"
+    },
     "precomputedLanternData": null,
     "onlyAudits": null,
     "onlyCategories": null,
diff --git a/proto/README.md b/proto/README.md
index d7aaf829d07b..e9bc853fc344 100644
--- a/proto/README.md
+++ b/proto/README.md
@@ -5,7 +5,7 @@ You'll need to have **`v3.20+`** of protobuf.
 Note that they [changed the versioning scheme](https://developers.google.com/protocol-buffers/docs/news/2022-05-06#versioning) and went from `3.20.1` to `4.21.0`. Making it more confusing, in `brew` and Github, `4.21.x` is shown as `v21.x`.
 
 
-1. Install the proto compiler with `brew install protobuf`, or something [like this](https://github.com/GoogleChrome/lighthouse/blob/9fd45c5e2b92e3b1f10b642ea631dd5a9598f5ee/.github/workflows/unit.yml#L32-L45).
+1. Install the proto compiler with `brew install protobuf`, or something [like this](https://github.com/GoogleChrome/lighthouse/blob/9fd45c5e2b92e3b1f10b642ea631dd5a9598f5ee/.github/workflows/unit.yml#L32-L45). Note: it's a good idea to [use a virtual environment](https://realpython.com/python-virtual-environments-a-primer/) rather than installing it globally
 1. Run `yarn test-proto`
 
 ## Proto Resources
diff --git a/proto/lighthouse-result.proto b/proto/lighthouse-result.proto
index 7889f5b04dbb..c33695a29319 100644
--- a/proto/lighthouse-result.proto
+++ b/proto/lighthouse-result.proto
@@ -132,7 +132,7 @@ message LighthouseResult {
   map<string, CategoryGroup> category_groups = 11;
 
   // Message containing the configuration settings for the LH run
-  // Next ID: 11
+  // Next ID: 33
   message ConfigSettings {
     // The possible form factors an audit can be run in.
     // This enum served the emulated_form_factor field, but in v7, that field
@@ -193,11 +193,11 @@ message LighthouseResult {
     string throttling_method = 8;
 
     message ScreenEmulation {
-      // Overriding width value in pixels (minimum 0, maximum 10000000). 0
-      // disables the override.
+      // Overriding width value in pixels (minimum 0, maximum 10000000).
+      // 0 disables the override.
       double width = 1;
-      // Overriding height value in pixels (minimum 0, maximum 10000000). 0
-      // disables the override.
+      // Overriding height value in pixels (minimum 0, maximum 10000000).
+      // 0 disables the override.
       double height = 2;
       // Overriding device scale factor value. 0 disables the override.
       double deviceScaleFactor = 3;
@@ -217,8 +217,85 @@ message LighthouseResult {
     // screen emulation.
     ScreenEmulation screen_emulation = 9;
 
+
     // Indicating whether Lighthouse should ignore status codes.
     bool ignore_status_code = 10;
+
+    // The type(s) of report output to be produced.
+    // Can be a string of 'json' | 'html' | 'csv'
+    // Or an array of those strings
+    google.protobuf.Value output = 11;
+
+    // The maximum amount of time to wait for a page content render, in ms. If
+    // no content is rendered within this limit, the run is aborted with an
+    // error.
+    int32 max_wait_for_fcp = 12;
+    // The maximum amount of time to wait for a page to load, in ms.
+    int32 max_wait_for_load = 13;
+    // The number of milliseconds to wait after FCP until the page should be
+    // considered loaded.
+    int32 pause_after_fcp_ms = 14;
+    // The number of milliseconds to wait after the load event until the page
+    // should be considered loaded.
+    int32 pause_after_load_ms = 15;
+    // The number of milliseconds to wait between high priority network requests
+    // or 3 simultaneous requests before the page should be considered loaded.
+    int32 network_quiet_threshold_ms = 16;
+    // The number of milliseconds to wait between long tasks until the page
+    // should be considered loaded.
+    int32 cpu_quiet_threshold_ms = 17;
+
+    // User Agent string to apply, `false` to not change the host's UA string,
+    // or `true` to use Lighthouse's default UA string.
+    string emulated_user_agent = 18;
+
+    // audit_mode and gather_mode are excluded from the proto, as they are boolean/string and niche enough that we don't want to deal with them.
+
+    // Flag indicating that the browser storage should not be reset for the
+    // audit.
+    bool disable_storage_reset = 19;
+    // Flag indicating that Lighthouse should pause after page load to wait for
+    // the user's permission to continue the audit.
+    bool debug_navigation = 20;
+    // If set to true, gatherers should avoid any behavior that may be
+    // destructive to the page state. (e.g. extra navigations, resizing the
+    // viewport)
+    bool use_passive_gathering = 21;
+    // Disables collection of the full page screenshot, which can be rather
+    // large and possibly leave the page in an undesirable state.
+    bool disable_full_page_screenshot = 22;
+    // If set to true, will skip the initial navigation to about:blank.
+    bool skip_about_blank = 23;
+    // The URL to use for the "blank" neutral page in between navigations.
+    // Defaults to `about:blank`.
+    string blank_page = 24;
+
+    // List of URL patterns to block.
+    repeated string blocked_url_patterns = 25;
+
+    // Comma-delimited list of trace categories to include.
+    string additional_trace_categories = 26;
+
+    // If present, the run should only conduct this list of audits.
+    repeated string only_audits = 27;
+    // If present, the run should skip this list of audits.
+    repeated string skip_audits = 28;
+
+    // Flag indicating which kinds of browser storage should be reset for the audit.
+    // Cookies are not cleared by default, so the user isn't logged out.
+    // indexeddb, websql, and localstorage are not cleared by default to prevent
+    // loss of potentially important data.
+    // https://chromedevtools.github.io/debugger-protocol-viewer/tot/Storage/#type-StorageType
+    repeated string clear_storage_types = 29;
+
+    // List of extra HTTP Headers to include
+    map<string, string> extra_headers = 30;
+
+    // The budget.json object for LightWallet
+    repeated google.protobuf.Struct budgets = 31 [deprecated = true];
+
+    // Precomputed lantern estimates to use instead of observed analysis.
+    google.protobuf.Struct precomputed_lantern_data = 32;
   }
 
   // The settings that were used to run this audit
@@ -298,7 +375,7 @@ message LhrCategory {
   // This value is nullable, so is a `Value` type
   google.protobuf.Value score = 4;
 
-  // An description for manual audits within this category.
+  // A description for manual audits within this category.
   string manual_description = 5;
 
   // A Category's reference to an AuditResult, with a weight for category
diff --git a/types/lhr/settings.d.ts b/types/lhr/settings.d.ts
index b1c557a7176d..df95cb729899 100644
--- a/types/lhr/settings.d.ts
+++ b/types/lhr/settings.d.ts
@@ -112,7 +112,7 @@ export type ScreenEmulationSettings = {
   pauseAfterFcpMs?: number;
   /** The number of milliseconds to wait after the load event until the page should be considered loaded. */
   pauseAfterLoadMs?: number;
-  /** The number of milliseconds to wait between high priority network requests or 3 simulataneous requests before the page should be considered loaded. */
+  /** The number of milliseconds to wait between high priority network requests or 3 simultaneous requests before the page should be considered loaded. */
   networkQuietThresholdMs?: number;
   /** The number of milliseconds to wait between long tasks until the page should be considered loaded. */
   cpuQuietThresholdMs?: number;