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Issue: Claude Code is unusable for complex engineering tasks with Feb updates

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Re: Issue: Claude Code is unusable for complex engineering tasks with Feb updates

#231
This is just a placebo, people started vibe coding on empty repos with low complexity and as CC slops out more and more code its ability to handle the codebase diminishes. Gradually at first, and then suddenly.

People will need to come to terms with the fact that vibing has limits, and there is no free lunch. You will pay eventually.

Re: Issue: Claude Code is unusable for complex engineering tasks with Feb updates

#234

Earlier quoted context omitted.

Thanks for the feedback. To make it actionable, would you mind running /bug the next time you see it and posting the feedback id here? That way we can debug and see if there's an issue, or if it's within variance.

How much of the code/context gets attached in the /bug report?

When you submit a /bug we get a way to see the contents of the conversation. We don't see anything else in your codebase.

Re: Issue: Claude Code is unusable for complex engineering tasks with Feb updates

#235

Hey all, Boris from the Claude Code team here. I just responded on the issue, and cross-posting here for input. --- Hi, thanks for the detailed analysis. Before I keep going, I wanted to say I appreciate the depth of thinking & care that went into this. There's a lot here, I will try to break it down a bit. These are the two core things happening: > `redact-thinking-2026-02-12` This beta header hides thinking from th…

> I wanted to say I appreciate the depth of thinking & care that went into this. The irony lol. The whole ticket is just AI-generated. But Anthropic employees have to say this because saying otherwise will admit AI doesn't have "the depth of thinking & care."

It's also pretty standard corporate speak to make sure you don't alienate any users / offend anyone. That's why corporate speak is so bland.

Re: Issue: Claude Code is unusable for complex engineering tasks with Feb updates

#236

Hey all, Boris from the Claude Code team here. I just responded on the issue, and cross-posting here for input. --- Hi, thanks for the detailed analysis. Before I keep going, I wanted to say I appreciate the depth of thinking & care that went into this. There's a lot here, I will try to break it down a bit. These are the two core things happening: > `redact-thinking-2026-02-12` This beta header hides thinking from th…

> This beta header hides thinking from the UI, since most people don't look at it. I look at it, and I am very upset that I no longer see it.

There is a setting if you'd like to continue to see it: showThinkingSummaries.

See the docs: https://code.claude.com/docs/en/settings#available-settings

Re: Issue: Claude Code is unusable for complex engineering tasks with Feb updates

#237

Not claude code specific, but I've been noticing this on Opus 4.6 models through Copilot and others as well. Whenever the phrase "simplest fix" appears, it's time to pull the emergency break. This has gotten much, much worse over the past few weeks. It will produce completely useless code, knowingly (because up to that phrase the reasoning was correct) breaking things. Today another thing started happening which are…

Ive been noticing something similar recently. If somethings not working out itll be like "Ok this isnt working out, lets just switch to doing this other thing instead you explicitly said not to do". For example I wanted to get VNC working with PopOS Cosmic and itll be like ah its ok well just install sway and thatll work!

It’s as if it gives up, I respond keep going with original plan, you can do it champ!

Re: Issue: Claude Code is unusable for complex engineering tasks with Feb updates

#238

Not claude code specific, but I've been noticing this on Opus 4.6 models through Copilot and others as well. Whenever the phrase "simplest fix" appears, it's time to pull the emergency break. This has gotten much, much worse over the past few weeks. It will produce completely useless code, knowingly (because up to that phrase the reasoning was correct) breaking things. Today another thing started happening which are…

Yeah it’s so frustrating to have to constantly ask for the best solution, not the easiest / quickest / less disruptive.

I have in Claude md that it’s a greenfield project, only present complete holistic solutions not fast patches, etc. but still I have to watch its output.

Re: Issue: Claude Code is unusable for complex engineering tasks with Feb updates

#239

Earlier quoted context omitted.

What you saying the OP fabricated/hallucinated the evidence?

I'm just saying it's epistemically unrigorous to the point of being equivalent to anecdata.

How should one conduct such a rigourously reproducible experiment when LLMs by nature aren't deterministic and when you don't have access to the model you are comparing to from months ago?

Re: Issue: Claude Code is unusable for complex engineering tasks with Feb updates

#240

Hey all, Boris from the Claude Code team here. I just responded on the issue, and cross-posting here for input. --- Hi, thanks for the detailed analysis. Before I keep going, I wanted to say I appreciate the depth of thinking & care that went into this. There's a lot here, I will try to break it down a bit. These are the two core things happening: > `redact-thinking-2026-02-12` This beta header hides thinking from th…

Happy to have my mind changed, yet I am not 100% convinced closing the issue as completed captures the feedback.
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