Custom Settings vs Custom Metadata

 Salesforce Tip: Custom Settings vs Custom Metadata

Choosing between Custom Settings and Custom Metadata Types (CMDT)? Here's a quick guide:
Custom Settings
 ✔ Cached & fast (no SOQL governor limits)
 ✔ Great for per-user or per-profile settings (Hierarchy)
 ✔ Can be used in formula fields & validation rules
 ✖ Records cannot be deployed via change sets

Custom Metadata Types (CMDT)
 ✔ Fully deployable (definition + records)
 ✔ Great for version-controlled config (API endpoints, feature toggles)
 ✔ Supports picklists, relationships, FLS, layouts
 ✔ Ideal for CI/CD & managed packages

 Rule of thumb:
 1.Need formula access or per-profile values? Go with Custom Settings
 2. Need deployment-ready, versionable configuration? Use Custom Metadata Types
What’s your favorite use case for CMDT or Custom Settings?

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