[Bug] Claude 3.5 Sonnet regression: Insufficient context analysis before proposing solutions

Resolved 💬 3 comments Opened Apr 23, 2026 by SpartacusOne Closed Apr 27, 2026

Bug Description
Opus 4.7 is making more and more logical errors that is getting increasingly concerning. It is no longer checking deeply when performing tasks..even when asked to do investigations into existing system before proposing solution...it skips over detail and proposes interventions in the wrong places as a rsult of this shoddy retrieval...this is a serious regression because now I have to spend A LOT OF DETAILED EFFORT guiding it to the right context for it to come up with the right solution...my harness had already had this dialed in all the way up to 4.6...4.7 is just ignoring instructions, performing shallow investigations and as a result proposing wrong headed solutions....this is a SIGNIFICANT REGRESSION from 4.6...but worse...if this lack of attention to detail carries over to an auto-mode code build phase for a large spec...the problem is going to compound exponentially...this needs to be resolved ASAP...I DO NOT TRUST 4.7.....

Further...while previous versions did very well on rule following...and i was able to get very smooth session to session continuuity and consistency in behavior with my context continuity mechanism....4.7 agents...even aided by rich context...now feels more like a stateless session all over again...it's like it's ignoring rules and claude.md completely and is lost......

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.118
  • Feedback ID: 83b98be5-3182-4ebe-b087-b26483e900da

Errors

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