Microsoft Copilot
Microsoft Copilot Code Editing Degradation Producing Uncompilable Output
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Impact: wasting MY tokens fixing ITS mistakes. A simple task becomes a ridiculous ordeal.
From the original report
“Ask it to add ONE method, and it mangles the class into code that won't compile. Multiple attempts later, it finally gets it right—after wasting MY tokens fixing ITS mistakes.”
Details & sources
- How received
- Imported from Bluesky
- Source published
- Oct 15, 2026
- Observed
- Unknown
- Added to CleanApp
- Oct 15, 2026
- Product connection
- Affected product or place
- Original issue status
- Unknown
- Resolution
- Unknown
- Verification
- Not independently reproduced
Source count unknown
Why this source type: The author personally reports asking Copilot to add a method and having it repeatedly produce uncompilable code, wasting tokens.
CleanApp AI summary
Microsoft Copilot Code Editing Degradation Producing Uncompilable Output: Microsoft Copilot generates mangled, uncompilable code when prompted to add a single method during code editing tasks. Multiple repeated attempts fail, consuming additional user tokens to remediate the erroneous outputs.
Report counts are not affected-user counts. A closed original issue does not confirm a fix.
Public ID: rpt_OtR5s_yHUvAyxFU8mTEDgA