Skip to content
  • Tech Dev NotesTech Dev Notes
Apps
  • Lookup
  • Compare
Market movement
  • Charts
  • Rankings
Visual proof
  • Screens
  • Store listings
  • Icons
Stacks and releases
  • Tech stacks
  • Tool releases
  • Developers
More
  • X feature flags
  • Grokipedia
  • Grok companions
  • Blog
  • Follow on X
ChartsRankingsMoversCompareLookupScreensTech stacksReleases

© 2026 Tech Dev Notes

RSSAboutAPIStatusSecurityPrivacyTermsSitemap@techdevnotes
ChatGPT Web

OpenAI · Web app

ChatGPT Web

September 12, 2026 at 8:53 PM UTC

No official release notes in this window.

Changelog

Changelog (20260912-025210Z → 20260912-205300Z)

No official release notes in this window.

Instructions / prompt config

Removed 12 readable flags tied to instruction packs and setup copy, including:

  • Core/system-style: baseInstructions, onboardingInstructions, skillInstructions, artifactInstructions
  • Surface-specific: browserInstructions, websiteInstructions, appConnectionInstructions, emailMessagingInstructions, dailyBriefingInstructions
  • Writing style: writingStyleInstructions, writingStyleSetupInstructions
  • Misc: tax_types

No flags added. Treat as config cleanup, not a user-facing launch.

Statsig

  • Dynamic configs: −2 hashed (opaque)
  • Gates/layers: unchanged
Older release← Sep 12, 02:52 UTCNewer release→ Sep 12, 22:52 UTC
All ChatGPT Web releases →