How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte - Docker Compose .env File Troubleshooting Guide-Fix Windows 11 Bluetooth Not Connecting: Practical Steps

Likely symptom
Likely cause
Safe rollback
Verification route
- Repeat the original action, not only a simplified test case.
- Restart the app or reload the service after configuration changes.