When introducing configuration changes that affect multiple system components, implement them in stages to ensure smooth transitions and backward compatibility. Follow these steps: 1. Add new configuration option while maintaining old one 2. Wait for new option to reach release 3. Switch to new option in dependent components 4. Remove old option after full migration Example: ```rust // Step 1: Add new option while keeping old impl Config { fn get_safekeeper_info(&self) -> String { // Support both old and new formats self.safekeeper_connstrings.clone() .or_else(|| self.safekeepers.map(|s| convert_to_new_format(s))) .unwrap_or_default() } } // Step 2: Wait for release with dual support // Step 3: Switch dependent components to new format conf.append("neon.safekeeper_connstrings", &safekeepers); // Instead of old: conf.append("neon.safekeepers", &safekeepers); // Step 4: Remove old option in future release ``` This approach: - Prevents breaking changes in production - Allows gradual testing in staging/pre-prod - Maintains backward compatibility during transition - Reduces deployment risks through phased rollout