ChatGPT Web

Changelog (20260916 → 20260918)

Official releases

• ChatGPT for Word — ChatGPT sidebar in Microsoft Word (draft from notes, summarize, revise selection, headings/formatting). Same Microsoft add-in family as Excel/PowerPoint; all plans including Free (shared token/usage limits). Install via Microsoft Marketplace. Marketing surface: /apps/word.
• Multi-account plugins — Connect multiple accounts to plugins (beyond Gmail / Google Calendar / Contacts); personal + work in one conversation. All plans, web/mobile/desktop.

Models

• Catalog adds a large GPT-5 family of ids: gpt-5-auto / gpt-5-reasoning / gpt-5-reasoning-mini, plus numbered variants gpt-5-1 … gpt-5-6 (-auto, -reasoning, and some -reasoning-mini).

Connectors / plugins

• enable_all_connectors, blocklisted_connector_ids added; allowlisted_connector_ids removed — aligns with multi-account plugin expansion (allowlist → blocklist posture).

Composer / instructions & artifacts

• Instruction packs added: baseInstructions, browserInstructions, websiteInstructions, writingStyleInstructions, writingStyleSetupInstructions, skillInstructions, artifactInstructions, appConnectionInstructions, dailyBriefingInstructions, emailMessagingInstructions, onboardingInstructions.
• Removed: instructions_variant, artifact_file_first_enabled, app_block_artifact_review, app_block_state_persistence, file_backed_input_enabled, fast_model_prefetch_interactive_visual_instructions.

Onboarding, auth, billing UX

• new_static_onboarding_flow; lightweight-web phone controls (should_align_no_auth_phone_controls_on_lightweight_web, should_handle_no_auth_international_phone_paste_on_lightweight_web).
• Email validation: show_email_validation_icon, use_updated_email_validation_copy.
• web_rate_limit_nux_copy_variant; tax_types; platform toggles chatgpt_enabled / platform_enabled / admin_enabled.

Client / feed

• home_feed_widget_long_press_enabled, ios_markdown_diff_highlights_enabled.

Routes

• Added: /account/subscription, /college-plan/schools/:schoolId, /epic/launch, /wallet/enroll, /67.
• Removed: :lang?/work/chrome/installed.

Experiments (opaque)

• Statsig: +9 gates / −4 gates; +6 dynamic configs / −1; +3 layers. Four named dyn-config experiment ids added (hashed only).