Angular 20 vs 21
Which should you run?
Pick Angular 21 for new installs. It's supported until Jun 30, 2027, 7 months longer than 20, which ends Nov 28, 2026. 20 already gets security fixes only.
20
21
20252027
Supported
Security fixes only
Today
| Angular 20 | Angular 21 | |
|---|---|---|
| Released | May 28, 2025 | Nov 19, 2025 |
| Status | Security Support | Security Support |
| Active support until | Nov 19, 2025 | Jun 3, 2026 |
| End of life | Nov 28, 2026 in 1 month | Jun 30, 2027 in 8 months |
| Total support | 1 year, 6 months | 1 year, 7 months |
| Latest version | 20.3.33 Sep 30, 2026 | 21.2.25 Sep 30, 2026 |
| LTS | No | No |
How to upgrade from Angular 20 to 21
Angular CLI
ng update @angular/core@21 @angular/cli@21Upgrade one major version at a time. The update guide lists the steps for your exact versions.
Official upgrade guide ↗ Back up first, and test on a non-production machine when you move to a new branch.
Quick answers
- Should I use Angular 20 or 21?
- Pick Angular 21 for new installs. It's supported until Jun 30, 2027, 7 months longer than 20, which ends Nov 28, 2026. 20 already gets security fixes only.
- How long are Angular 20 and 21 supported?
- Angular 20: supported until Nov 28, 2026 (security fixes only). Angular 21: supported until Jun 30, 2027 (security fixes only).
- What are the latest Angular 20 and 21 versions?
- Angular 20 is at 20.3.33 (Sep 30, 2026), and Angular 21 is at 21.2.25 (Sep 30, 2026).
More Angular comparisons
Official release policy · Checked 2 hours ago