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 13, 2026 at 2:52 AM UTC

20260912-225214Z-7019b1927c2a → 20260913-025214Z-94b5e5352e5f

Changelog

chatgpt.com product-surface changelog

20260912-225214Z-7019b1927c2a → 20260913-025214Z-94b5e5352e5f

Flags

Instructions / prompt templates (added)

  • baseInstructions, artifactInstructions, browserInstructions, websiteInstructions
  • appConnectionInstructions, skillInstructions
  • dailyBriefingInstructions, emailMessagingInstructions, onboardingInstructions
  • writingStyleInstructions, writingStyleSetupInstructions

Other

  • Added tax_types
  • Removed encoding

Statsig

  • +2 hashed dynamic configs
  • Gates/layers unchanged
Older release← Sep 12, 22:52 UTCNewer release→ Sep 14, 18:52 UTC
All ChatGPT Web releases →