Tracker›Changelog›2026-09-15-baseline-measurement-artifacts
Measurement artifacts on comparison day: schema_version changed on 32 runs — measurement, not a ChatGPT change
confirmedbaseline · measurement2026-09-15-baseline-measurement-artifacts
Instrument state: Schema 21 · v2 · Bookmarklet 2.7 · measure · gpt-5-6
Evidence
- After
{
"fields": [
"schema_version"
]
}- Breadth
- 32/32 prompts · global
- Modes
- instant + thinking
- Measuring days
- 15 Sept 2026 · 32 field diffs in events.jsonl
Daily data of 15 Sept 2026 →
Context
field/run-schema-version
Impact
No evidenced impact.
Status history