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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).

View Svelte 4.2 version line →

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 5.57
    SupportedSTANDARD SUPPORT
    View Svelte 5.57 →
    EOL
    Not published
    Latest release
    5.57.0 · 28 August 2026
    Upgrade distance
    1 major version newer

    No vulnerabilities currently recorded by CompatHub.

  • Svelte 5.56
    SupportedSTANDARD SUPPORT
    View Svelte 5.56 →
    EOL
    Not published
    Latest release
    5.56.10 · 20 August 2026
    Upgrade distance
    1 major version newer

    No vulnerabilities currently recorded by CompatHub.

  • Svelte 5.55
    SupportedSTANDARD SUPPORT
    View Svelte 5.55 →
    EOL
    Not published
    Latest release
    5.55.10 · 27 May 2026
    Upgrade distance
    1 major version newer

    No vulnerabilities currently recorded by CompatHub.

  • Svelte 5.54
    SupportedSTANDARD SUPPORT
    View Svelte 5.54 →
    EOL
    Not published
    Latest release
    5.54.1 · 21 March 2026
    Upgrade distance
    1 major version newer

    Svelte 5.54: 2 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.53
    SupportedSTANDARD SUPPORT
    View Svelte 5.53 →
    EOL
    Not published
    Latest release
    5.53.13 · 17 March 2026
    Upgrade distance
    1 major version newer

    Svelte 5.53: 2 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.52
    SupportedSTANDARD SUPPORT
    View Svelte 5.52 →
    EOL
    Not published
    Latest release
    5.52.0 · 18 February 2026
    Upgrade distance
    1 major version newer

    Svelte 5.52: 3 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.51
    SupportedSTANDARD SUPPORT
    View Svelte 5.51 →
    EOL
    Not published
    Latest release
    5.51.5 · 18 February 2026
    Upgrade distance
    1 major version newer

    Svelte 5.51: 3 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.50
    SupportedSTANDARD SUPPORT
    View Svelte 5.50 →
    EOL
    Not published
    Latest release
    5.50.3 · 12 February 2026
    Upgrade distance
    1 major version newer

    Svelte 5.50: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.49
    SupportedSTANDARD SUPPORT
    View Svelte 5.49 →
    EOL
    Not published
    Latest release
    5.49.2 · 4 February 2026
    Upgrade distance
    1 major version newer

    Svelte 5.49: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.48
    SupportedSTANDARD SUPPORT
    View Svelte 5.48 →
    EOL
    Not published
    Latest release
    5.48.5 · 28 January 2026
    Upgrade distance
    1 major version newer

    Svelte 5.48: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.47
    SupportedSTANDARD SUPPORT
    View Svelte 5.47 →
    EOL
    Not published
    Latest release
    5.47.1 · 19 January 2026
    Upgrade distance
    1 major version newer

    Svelte 5.47: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.46
    SupportedSTANDARD SUPPORT
    View Svelte 5.46 →
    EOL
    Not published
    Latest release
    5.46.4 · 15 January 2026
    Upgrade distance
    1 major version newer

    Svelte 5.46: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.45
    SupportedSTANDARD SUPPORT
    View Svelte 5.45 →
    EOL
    Not published
    Latest release
    5.45.10 · 12 December 2025
    Upgrade distance
    1 major version newer

    Svelte 5.45: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.44
    SupportedSTANDARD SUPPORT
    View Svelte 5.44 →
    EOL
    Not published
    Latest release
    5.44.1 · 26 November 2025
    Upgrade distance
    1 major version newer

    Svelte 5.44: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.43
    SupportedSTANDARD SUPPORT
    View Svelte 5.43 →
    EOL
    Not published
    Latest release
    5.43.15 · 24 November 2025
    Upgrade distance
    1 major version newer

    Svelte 5.43: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.42
    SupportedSTANDARD SUPPORT
    View Svelte 5.42 →
    EOL
    Not published
    Latest release
    5.42.3 · 28 October 2025
    Upgrade distance
    1 major version newer

    Svelte 5.42: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.41
    SupportedSTANDARD SUPPORT
    View Svelte 5.41 →
    EOL
    Not published
    Latest release
    5.41.4 · 24 October 2025
    Upgrade distance
    1 major version newer

    Svelte 5.41: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.40
    SupportedSTANDARD SUPPORT
    View Svelte 5.40 →
    EOL
    Not published
    Latest release
    5.40.2 · 17 October 2025
    Upgrade distance
    1 major version newer

    Svelte 5.40: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.39
    SupportedSTANDARD SUPPORT
    View Svelte 5.39 →
    EOL
    Not published
    Latest release
    5.39.13 · 14 October 2025
    Upgrade distance
    1 major version newer

    Svelte 5.39: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.38
    SupportedSTANDARD SUPPORT
    View Svelte 5.38 →
    EOL
    Not published
    Latest release
    5.38.10 · 11 September 2025
    Upgrade distance
    1 major version newer

    Svelte 5.38: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.37
    SupportedSTANDARD SUPPORT
    View Svelte 5.37 →
    EOL
    Not published
    Latest release
    5.37.3 · 3 August 2025
    Upgrade distance
    1 major version newer

    Svelte 5.37: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.36
    SupportedSTANDARD SUPPORT
    View Svelte 5.36 →
    EOL
    Not published
    Latest release
    5.36.17 · 25 July 2025
    Upgrade distance
    1 major version newer

    Svelte 5.36: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.35
    SupportedSTANDARD SUPPORT
    View Svelte 5.35 →
    EOL
    Not published
    Latest release
    5.35.7 · 14 July 2025
    Upgrade distance
    1 major version newer

    Svelte 5.35: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.34
    SupportedSTANDARD SUPPORT
    View Svelte 5.34 →
    EOL
    Not published
    Latest release
    5.34.9 · 28 June 2025
    Upgrade distance
    1 major version newer

    Svelte 5.34: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.33
    SupportedSTANDARD SUPPORT
    View Svelte 5.33 →
    EOL
    Not published
    Latest release
    5.33.19 · 10 June 2025
    Upgrade distance
    1 major version newer

    Svelte 5.33: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.32
    SupportedSTANDARD SUPPORT
    View Svelte 5.32 →
    EOL
    Not published
    Latest release
    5.32.2 · 22 May 2025
    Upgrade distance
    1 major version newer

    Svelte 5.32: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.31
    SupportedSTANDARD SUPPORT
    View Svelte 5.31 →
    EOL
    Not published
    Latest release
    5.31.1 · 19 May 2025
    Upgrade distance
    1 major version newer

    Svelte 5.31: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.30
    SupportedSTANDARD SUPPORT
    View Svelte 5.30 →
    EOL
    Not published
    Latest release
    5.30.2 · 17 May 2025
    Upgrade distance
    1 major version newer

    Svelte 5.30: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.29
    SupportedSTANDARD SUPPORT
    View Svelte 5.29 →
    EOL
    Not published
    Latest release
    5.29.0 · 14 May 2025
    Upgrade distance
    1 major version newer

    Svelte 5.29: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.28
    SupportedSTANDARD SUPPORT
    View Svelte 5.28 →
    EOL
    Not published
    Latest release
    5.28.7 · 14 May 2025
    Upgrade distance
    1 major version newer

    Svelte 5.28: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.27
    SupportedSTANDARD SUPPORT
    View Svelte 5.27 →
    EOL
    Not published
    Latest release
    5.27.3 · 18 April 2025
    Upgrade distance
    1 major version newer

    Svelte 5.27: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.26
    SupportedSTANDARD SUPPORT
    View Svelte 5.26 →
    EOL
    Not published
    Latest release
    5.26.3 · 14 April 2025
    Upgrade distance
    1 major version newer

    Svelte 5.26: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.25
    SupportedSTANDARD SUPPORT
    View Svelte 5.25 →
    EOL
    Not published
    Latest release
    5.25.12 · 10 April 2025
    Upgrade distance
    1 major version newer

    Svelte 5.25: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.24
    SupportedSTANDARD SUPPORT
    View Svelte 5.24 →
    EOL
    Not published
    Latest release
    5.24.1 · 21 March 2025
    Upgrade distance
    1 major version newer

    Svelte 5.24: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.23
    SupportedSTANDARD SUPPORT
    View Svelte 5.23 →
    EOL
    Not published
    Latest release
    5.23.2 · 18 March 2025
    Upgrade distance
    1 major version newer

    Svelte 5.23: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.22
    SupportedSTANDARD SUPPORT
    View Svelte 5.22 →
    EOL
    Not published
    Latest release
    5.22.6 · 7 March 2025
    Upgrade distance
    1 major version newer

    Svelte 5.22: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.21
    SupportedSTANDARD SUPPORT
    View Svelte 5.21 →
    EOL
    Not published
    Latest release
    5.21.0 · 3 March 2025
    Upgrade distance
    1 major version newer

    Svelte 5.21: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.20
    SupportedSTANDARD SUPPORT
    View Svelte 5.20 →
    EOL
    Not published
    Latest release
    5.20.5 · 27 February 2025
    Upgrade distance
    1 major version newer

    Svelte 5.20: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.19
    SupportedSTANDARD SUPPORT
    View Svelte 5.19 →
    EOL
    Not published
    Latest release
    5.19.10 · 11 February 2025
    Upgrade distance
    1 major version newer

    Svelte 5.19: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.18
    SupportedSTANDARD SUPPORT
    View Svelte 5.18 →
    EOL
    Not published
    Latest release
    5.18.0 · 15 January 2025
    Upgrade distance
    1 major version newer

    Svelte 5.18: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.17
    SupportedSTANDARD SUPPORT
    View Svelte 5.17 →
    EOL
    Not published
    Latest release
    5.17.5 · 14 January 2025
    Upgrade distance
    1 major version newer

    Svelte 5.17: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.16
    SupportedSTANDARD SUPPORT
    View Svelte 5.16 →
    EOL
    Not published
    Latest release
    5.16.6 · 7 January 2025
    Upgrade distance
    1 major version newer

    Svelte 5.16: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.15
    SupportedSTANDARD SUPPORT
    View Svelte 5.15 →
    EOL
    Not published
    Latest release
    5.15.0 · 19 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.15: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.14
    SupportedSTANDARD SUPPORT
    View Svelte 5.14 →
    EOL
    Not published
    Latest release
    5.14.6 · 19 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.14: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.13
    SupportedSTANDARD SUPPORT
    View Svelte 5.13 →
    EOL
    Not published
    Latest release
    5.13.0 · 14 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.13: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.12
    SupportedSTANDARD SUPPORT
    View Svelte 5.12 →
    EOL
    Not published
    Latest release
    5.12.0 · 12 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.12: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.11
    SupportedSTANDARD SUPPORT
    View Svelte 5.11 →
    EOL
    Not published
    Latest release
    5.11.3 · 12 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.11: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.10
    SupportedSTANDARD SUPPORT
    View Svelte 5.10 →
    EOL
    Not published
    Latest release
    5.10.1 · 10 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.10: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.9
    SupportedSTANDARD SUPPORT
    View Svelte 5.9 →
    EOL
    Not published
    Latest release
    5.9.1 · 9 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.9: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.8
    SupportedSTANDARD SUPPORT
    View Svelte 5.8 →
    EOL
    Not published
    Latest release
    5.8.1 · 6 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.8: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.7
    SupportedSTANDARD SUPPORT
    View Svelte 5.7 →
    EOL
    Not published
    Latest release
    5.7.1 · 5 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.7: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.6
    SupportedSTANDARD SUPPORT
    View Svelte 5.6 →
    EOL
    Not published
    Latest release
    5.6.2 · 4 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.6: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.5
    SupportedSTANDARD SUPPORT
    View Svelte 5.5 →
    EOL
    Not published
    Latest release
    5.5.4 · 4 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.5: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.4
    SupportedSTANDARD SUPPORT
    View Svelte 5.4 →
    EOL
    Not published
    Latest release
    5.4.0 · 2 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.4: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.3
    SupportedSTANDARD SUPPORT
    View Svelte 5.3 →
    EOL
    Not published
    Latest release
    5.3.2 · 2 December 2024
    Upgrade distance
    1 major version newer

    Svelte 5.3: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.2
    SupportedSTANDARD SUPPORT
    View Svelte 5.2 →
    EOL
    Not published
    Latest release
    5.2.12 · 30 November 2024
    Upgrade distance
    1 major version newer

    Svelte 5.2: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.1
    SupportedSTANDARD SUPPORT
    View Svelte 5.1 →
    EOL
    Not published
    Latest release
    5.1.17 · 14 November 2024
    Upgrade distance
    1 major version newer

    Svelte 5.1: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

  • Svelte 5.0
    SupportedSTANDARD SUPPORT
    View Svelte 5.0 →
    EOL
    Not published
    Latest release
    5.0.5 · 21 October 2024
    Upgrade distance
    1 major version newer

    Svelte 5.0: 6 tracked. Currently recorded vulnerabilities (coverage may be incomplete).

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