Upgrade planner
Where can I upgrade from Svelte 4.2?
Supported upgrade options use CompatHub lifecycle status. Compatibility and vulnerability context appear only when evidence already exists — missing data is never treated as a negative conclusion.
You are on Svelte 4.2
SupportedSTANDARD SUPPORT
- EOL
- Not published
- Latest release
- 4.2.20
Svelte 4.2: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).
Supported upgrade options
Newer version lines that are not end-of-life, ranked by remaining support then version. CompatHub does not mark a single option as recommended.
- Svelte 5.57View Svelte 5.57 →SupportedSTANDARD SUPPORT
- EOL
- Not published
- Latest release
- 5.57.0 · 28 August 2026
- Upgrade distance
- 1 major version newer
No vulnerabilities currently recorded by CompatHub.
- Svelte 5.56View Svelte 5.56 →SupportedSTANDARD SUPPORT
- EOL
- Not published
- Latest release
- 5.56.10 · 20 August 2026
- Upgrade distance
- 1 major version newer
No vulnerabilities currently recorded by CompatHub.
- Svelte 5.55View Svelte 5.55 →SupportedSTANDARD SUPPORT
- EOL
- Not published
- Latest release
- 5.55.10 · 27 May 2026
- Upgrade distance
- 1 major version newer
No vulnerabilities currently recorded by CompatHub.