claude-code - 💡(How to fix) Fix Inject "what's new since cutoff" context for Claude Code's own features [1 participants]

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anthropics/claude-code#54646Fetched 2026-04-30 06:39:57
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Fix Action

Fix / Workaround

The Claude Code plugin system (/plugin) was released October 2025. A user on Claude Sonnet 4.6 (cutoff: August 2025) asked about it. The model confidently answered "this feature does not exist" and recommended a workaround instead.

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Preflight Checklist

  • I have searched existing requests and this feature hasn't been requested yet
  • This is a single feature request (not multiple features)

Problem Statement

The Claude Code plugin system (/plugin) was released October 2025. A user on Claude Sonnet 4.6 (cutoff: August 2025) asked about it. The model confidently answered "this feature does not exist" and recommended a workaround instead.

Suggested fix: Inject a short "What's new since your cutoff" note into the system prompt for Claude Code sessions.

Users who don't know the feature exists will accept the wrong answer and work around a problem that has a built-in solution.

Proposed Solution

Suggested fix: Inject a short "What's new since your cutoff" note into the system prompt for Claude Code sessions.

Alternative Solutions

No response

Priority

Medium - Would be very helpful

Feature Category

CLI commands and flags

Use Case Example

on sonnet 4.6: is there a plugin system?

Additional Context

No response

extent analysis

TL;DR

Injecting a "What's new since your cutoff" note into the system prompt for Claude Code sessions may help users discover newly added features like the plugin system.

Guidance

  • Identify the cutoff dates for each Claude Sonnet version to determine which features are not available in older versions.
  • Consider adding a dynamic note to the system prompt that lists new features added since the user's cutoff date.
  • Develop a mechanism to keep the "What's new since your cutoff" note up-to-date as new features are released.
  • Test the proposed solution with various Claude Sonnet versions to ensure it provides accurate information about available features.

Example

No code example is provided as the issue does not contain specific technical details about the implementation.

Notes

The effectiveness of this solution depends on the ability to accurately determine the user's cutoff date and to maintain an up-to-date list of new features.

Recommendation

Apply workaround: Injecting a "What's new since your cutoff" note into the system prompt for Claude Code sessions, as it can help users discover newly added features without requiring significant changes to the existing system.

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claude-code - 💡(How to fix) Fix Inject "what's new since cutoff" context for Claude Code's own features [1 participants]