Umbraco
Umbraco v13 vs v14 vs v17 LTS: What Changed?
Understanding the differences between Umbraco v13, v14, and v17 LTS is critical for upgrade planning and new project decisions. The table below summarizes the key changes across these three milestone versions.
Version Comparison Matrix
Section titled “Version Comparison Matrix”| Feature | v13 (Last AngularJS) | v14 (First Bellissima) | v17 LTS (Mature Bellissima) |
|---|---|---|---|
| Backoffice Tech | AngularJS | Web Components (Lit) | Web Components (Lit) |
| .NET Version | .NET 8 | .NET 8 | .NET 10 LTS |
| Property Editors | AngularJS | Web Components | Web Components |
| Management API | No | Yes | Yes (improved) |
| Block Grid Custom Views | AngularJS | Limited (fixed in v14.2) | Full support |
| LTS Status | No | No | Yes (3 years, through 2028) |
| Recommended for New Projects? | No (upgrade to v14+) | If already started | Yes (preferred) |
| Migration Complexity | N/A | High (AngularJS to Web Components) | High (AngularJS to Web Components) |
Key Takeaways
Section titled “Key Takeaways”- v13 = end of AngularJS era — last version before Bellissima
- v14 = breaking change release — Bellissima introduced, some rough edges
- v17 LTS = mature Bellissima — recommended for production, 3-year support
Decision Guidance
Section titled “Decision Guidance”If starting a new project in 2026, choose v17 LTS. If on v13, upgrade to v17 LTS (skip v14 unless you’re already on it). If on v8, rebuild (see Migration Paths: v8 to v17).