)]}'
{"id": 5078310347472896, "name": "Cross-origin redirect timing opt-in", "summary": "Currently developers have no way to measure cross-origin redirects for navigations, even ones under their control, or ones that choose to opt-in to be measured.\n\nThis feature enables servers to opt-in to have their redirects measured by the destination origin of the navigation.", "markdown_fields": [], "blink_components": ["Blink>PerformanceAPIs>NavigationTiming"], "star_count": 38, "search_tags": [], "created": {"by": "yoavweiss@chromium.org", "when": "2026-06-10 09:57:02.791173"}, "updated": {"by": "yoavweiss@chromium.org", "when": "2026-07-13 12:22:54.866169"}, "category": "Miscellaneous", "category_int": 2, "feature_notes": null, "web_feature": "Missing feature", "is_official_web_feature": false, "webdx_usecounter_enum": null, "enterprise_feature_categories": [], "enterprise_product_category": 0, "is_releasenotes_content_reviewed": false, "is_releasenotes_publish_ready": false, "stages": [{"id": 5141433817366528, "created": "2026-06-10 09:57:03.491409", "feature_id": 5078310347472896, "stage_type": 110, "display_name": null, "intent_stage": 7, "pm_emails": [], "tl_emails": [], "ux_emails": [], "te_emails": [], "intent_thread_url": null, "announcement_url": null, "experiment_goals": null, "experiment_risks": null, "origin_trial_id": null, "origin_trial_feedback_url": null, "ot_action_requested": false, "ot_approval_buganizer_component": null, "ot_approval_buganizer_custom_field_id": null, "ot_approval_criteria_url": null, "ot_approval_group_email": null, "ot_chromium_trial_name": null, "ot_description": null, "ot_display_name": null, "ot_documentation_url": null, "ot_emails": [], "ot_feedback_submission_url": null, "ot_has_third_party_support": false, "ot_is_critical_trial": false, "ot_is_deprecation_trial": false, "ot_owner_email": null, "ot_requester_email": null, "ot_require_approvals": false, "ot_use_counter_bucket_number": null, "ot_webfeature_use_counter": null, "extensions": [], "experiment_extension_reason": null, "ot_stage_id": null, "finch_url": null, "rollout_milestone": null, "rollout_platforms": [], "rollout_details": null, "rollout_impact": 2, "rollout_stage_plan": null, "enterprise_policies": [], "desktop_first": null, "android_first": null, "ios_first": null, "webview_first": null, "desktop_last": null, "android_last": null, "ios_last": null, "webview_last": null}, {"id": 6267333724209152, "created": "2026-06-10 09:57:03.492849", "feature_id": 5078310347472896, "stage_type": 120, "display_name": null, "intent_stage": 1, "pm_emails": [], "tl_emails": [], "ux_emails": [], "te_emails": [], "intent_thread_url": "https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohS%2BmvvuuG%3D0Jww9xDpDZVsgn90p-VHUjX-exx2SnU8Zf%3Dg%40mail.gmail.com", "announcement_url": null, "experiment_goals": null, "experiment_risks": null, "origin_trial_id": null, "origin_trial_feedback_url": null, "ot_action_requested": false, "ot_approval_buganizer_component": null, "ot_approval_buganizer_custom_field_id": null, "ot_approval_criteria_url": null, "ot_approval_group_email": null, "ot_chromium_trial_name": null, "ot_description": null, "ot_display_name": null, "ot_documentation_url": null, "ot_emails": [], "ot_feedback_submission_url": null, "ot_has_third_party_support": false, "ot_is_critical_trial": false, "ot_is_deprecation_trial": false, "ot_owner_email": null, "ot_requester_email": null, "ot_require_approvals": false, "ot_use_counter_bucket_number": null, "ot_webfeature_use_counter": null, "extensions": [], "experiment_extension_reason": null, "ot_stage_id": null, "finch_url": null, "rollout_milestone": null, "rollout_platforms": [], "rollout_details": null, "rollout_impact": 2, "rollout_stage_plan": null, "enterprise_policies": [], "desktop_first": null, "android_first": null, "ios_first": null, "webview_first": null, "desktop_last": null, "android_last": null, "ios_last": null, "webview_last": null}, {"id": 4859958840655872, "created": "2026-06-10 09:57:03.493875", "feature_id": 5078310347472896, "stage_type": 130, "display_name": null, "intent_stage": 2, "pm_emails": [], "tl_emails": [], "ux_emails": [], "te_emails": [], "intent_thread_url": null, "announcement_url": null, "experiment_goals": null, "experiment_risks": null, "origin_trial_id": null, "origin_trial_feedback_url": null, "ot_action_requested": false, "ot_approval_buganizer_component": null, "ot_approval_buganizer_custom_field_id": null, "ot_approval_criteria_url": null, "ot_approval_group_email": null, "ot_chromium_trial_name": null, "ot_description": null, "ot_display_name": null, "ot_documentation_url": null, "ot_emails": [], "ot_feedback_submission_url": null, "ot_has_third_party_support": false, "ot_is_critical_trial": false, "ot_is_deprecation_trial": false, "ot_owner_email": null, "ot_requester_email": null, "ot_require_approvals": false, "ot_use_counter_bucket_number": null, "ot_webfeature_use_counter": null, "extensions": [], "experiment_extension_reason": null, "ot_stage_id": null, "finch_url": null, "rollout_milestone": null, "rollout_platforms": [], "rollout_details": null, "rollout_impact": 2, "rollout_stage_plan": null, "enterprise_policies": [], "desktop_first": null, "android_first": null, "ios_first": null, "webview_first": null, "desktop_last": null, "android_last": null, "ios_last": null, "webview_last": null}, {"id": 5985858747498496, "created": "2026-06-10 09:57:03.495066", "feature_id": 5078310347472896, "stage_type": 140, "display_name": null, "intent_stage": 4, "pm_emails": [], "tl_emails": [], "ux_emails": [], "te_emails": [], "intent_thread_url": null, "announcement_url": null, "experiment_goals": null, "experiment_risks": null, "origin_trial_id": null, "origin_trial_feedback_url": null, "ot_action_requested": false, "ot_approval_buganizer_component": null, "ot_approval_buganizer_custom_field_id": null, "ot_approval_criteria_url": null, "ot_approval_group_email": null, "ot_chromium_trial_name": null, "ot_description": null, "ot_display_name": null, "ot_documentation_url": null, "ot_emails": [], "ot_feedback_submission_url": null, "ot_has_third_party_support": false, "ot_is_critical_trial": false, "ot_is_deprecation_trial": false, "ot_owner_email": null, "ot_requester_email": null, "ot_require_approvals": false, "ot_use_counter_bucket_number": null, "ot_webfeature_use_counter": null, "extensions": [], "experiment_extension_reason": null, "ot_stage_id": null, "finch_url": null, "rollout_milestone": null, "rollout_platforms": [], "rollout_details": null, "rollout_impact": 2, "rollout_stage_plan": null, "enterprise_policies": [], "desktop_first": null, "android_first": null, "ios_first": null, "webview_first": null, "desktop_last": null, "android_last": null, "ios_last": null, "webview_last": null}, {"id": 5422908794077184, "created": "2026-06-10 09:57:03.496079", "feature_id": 5078310347472896, "stage_type": 150, "display_name": null, "intent_stage": 3, "pm_emails": [], "tl_emails": [], "ux_emails": [], "te_emails": [], "intent_thread_url": null, "announcement_url": null, "experiment_goals": null, "experiment_risks": null, "origin_trial_id": null, "origin_trial_feedback_url": null, "ot_action_requested": false, "ot_approval_buganizer_component": null, "ot_approval_buganizer_custom_field_id": null, "ot_approval_criteria_url": null, "ot_approval_group_email": null, "ot_chromium_trial_name": null, "ot_description": null, "ot_display_name": null, "ot_documentation_url": null, "ot_emails": [], "ot_feedback_submission_url": null, "ot_has_third_party_support": false, "ot_is_critical_trial": false, "ot_is_deprecation_trial": false, "ot_owner_email": null, "ot_requester_email": null, "ot_require_approvals": false, "ot_use_counter_bucket_number": null, "ot_webfeature_use_counter": null, "extensions": [], "experiment_extension_reason": null, "ot_stage_id": null, "finch_url": null, "rollout_milestone": null, "rollout_platforms": [], "rollout_details": null, "rollout_impact": 2, "rollout_stage_plan": null, "enterprise_policies": [], "desktop_first": null, "android_first": null, "ios_first": null, "webview_first": null, "desktop_last": null, "android_last": null, "ios_last": null, "webview_last": null}, {"id": 6548808700919808, "created": "2026-06-10 09:57:03.497123", "feature_id": 5078310347472896, "stage_type": 160, "display_name": null, "intent_stage": 5, "pm_emails": [], "tl_emails": [], "ux_emails": [], "te_emails": [], "intent_thread_url": "https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAOmohSKvp_WaOWQE3oBZ2-RiX1maWWBN-DD9qQ_ZwwxZwGMtRg%40mail.gmail.com", "announcement_url": null, "experiment_goals": null, "experiment_risks": null, "origin_trial_id": null, "origin_trial_feedback_url": null, "ot_action_requested": false, "ot_approval_buganizer_component": null, "ot_approval_buganizer_custom_field_id": null, "ot_approval_criteria_url": null, "ot_approval_group_email": null, "ot_chromium_trial_name": null, "ot_description": null, "ot_display_name": null, "ot_documentation_url": null, "ot_emails": [], "ot_feedback_submission_url": null, "ot_has_third_party_support": false, "ot_is_critical_trial": false, "ot_is_deprecation_trial": false, "ot_owner_email": null, "ot_requester_email": null, "ot_require_approvals": false, "ot_use_counter_bucket_number": null, "ot_webfeature_use_counter": null, "extensions": [], "experiment_extension_reason": null, "ot_stage_id": null, "finch_url": null, "rollout_milestone": null, "rollout_platforms": [], "rollout_details": null, "rollout_impact": 2, "rollout_stage_plan": null, "enterprise_policies": [], "desktop_first": 151, "android_first": 151, "ios_first": null, "webview_first": 151, "desktop_last": null, "android_last": null, "ios_last": null, "webview_last": null}], "accurate_as_of": "2026-07-13 12:22:54.866169", "creator_email": "yoavweiss@chromium.org", "updater_email": "yoavweiss@chromium.org", "owner_emails": ["yoavweiss@chromium.org"], "editor_emails": [], "cc_emails": [], "spec_mentor_emails": [], "unlisted": false, "deleted": false, "editors": [], "cc_recipients": [], "spec_mentors": [], "creator": "yoavweiss@chromium.org", "feature_type": "New or changed feature", "feature_type_int": 0, "intent_stage": "None", "intent_stage_int": 0, "active_stage_id": 6548808700919808, "bug_url": "https://issues.chromium.org/issues/521861828", "launch_bug_url": null, "new_crbug_url": "https://bugs.chromium.org/p/chromium/issues/entry?components=Blink>PerformanceAPIs>NavigationTiming&blocking=521861828&cc=yoavweiss@chromium.org", "screenshot_links": [], "first_enterprise_notification_milestone": null, "enterprise_impact": 1, "breaking_change": false, "confidential": false, "shipping_year": 2026, "flag_name": null, "finch_name": "NavigationTimingRedirectTimingViaTAO", "non_finch_justification": null, "ongoing_constraints": null, "rollout_plan": 0, "rollout_plan_displayname": "Will ship enabled for all users", "motivation": "Enables developers to measure and optimize their cross-origin redirects, while ensuring that opt-in are secure and aligned with the developer's intention.", "devtrial_instructions": null, "activation_risks": null, "measurement": null, "availability_expectation": null, "adoption_expectation": null, "adoption_plan": null, "initial_public_proposal_url": "https://github.com/w3c/navigation-timing/issues/215", "explainer_links": ["https://github.com/whatwg/html/pull/12513", "https://github.com/whatwg/fetch/pull/1931"], "requires_embedder_support": false, "spec_link": "https://github.com/whatwg/fetch/pull/1931", "api_spec": true, "automation_spec": false, "interop_compat_risks": null, "all_platforms": true, "all_platforms_descr": null, "non_oss_deps": null, "anticipated_spec_changes": null, "security_risks": null, "ergonomics_risks": null, "wpt": true, "wpt_descr": "https://github.com/web-platform-tests/wpt/pull/60823", "webview_risks": null, "devrel_emails": ["devrel-chromestatus-all@google.com"], "debuggability": null, "doc_links": [], "sample_links": [], "prefixed": null, "tags": [], "tag_review": "No TAG review as this is a minor behavior change for an existing feature. The change was discussed in the relevant WG.", "tag_review_status": "Not applicable", "tag_review_status_int": 4, "security_review_status": "Pending", "security_review_status_int": 1, "privacy_review_status": "Pending", "privacy_review_status_int": 1, "security_continuity_id": null, "security_launch_issue_id": null, "updated_display": null, "resources": {"samples": [], "docs": []}, "comments": null, "ff_views": 5, "safari_views": 3, "web_dev_views": 2, "browsers": {"chrome": {"bug": "https://issues.chromium.org/issues/521861828", "blink_components": ["Blink>PerformanceAPIs>NavigationTiming"], "devrel": ["devrel-chromestatus-all@google.com"], "owners": ["yoavweiss@chromium.org"], "origintrial": false, "prefixed": null, "flag": false, "status": {"text": "Proposed", "val": 2, "milestone_str": "Proposed"}, "announced": true, "desktop": 151, "android": 151, "webview": 151, "ios": null}, "ff": {"view": {"url": null, "notes": null, "text": "No signal", "val": 5}}, "safari": {"view": {"url": "https://github.com/whatwg/fetch/pull/1931#pullrequestreview-4560631006", "notes": "No position filed as this is a minor behavior change. WebKit are explicitly supportive for WHATWG process pourposes.", "text": "Positive", "val": 3}}, "webdev": {"view": {"text": "Positive", "val": 2, "url": "https://w3c.github.io/web-performance/meetings/2026/2026-06-04/index.html", "notes": "This was discussed at the WebPerfWG, and folks were supportive. Developers at Shopify are highly supportive of being able to measure and optimize redirects."}}, "other": {"view": {"text": null, "val": null, "url": null, "notes": null}}}, "standards": {"spec": "https://github.com/whatwg/fetch/pull/1931", "maturity": {"text": "Specification currently under development in a Working Group", "short_text": "Working draft", "val": 4}}, "is_released": false, "is_enterprise_feature": false, "experiment_timeline": null, "ai_test_eval_report": null, "ai_test_eval_run_status": null, "ai_test_eval_status_timestamp": null}