# Compatibility This page lists the versions of Compose and Kotlin that each version of Kobweb is built against. | Kobweb | Compose | Kotlin | |-------------|---------|--------| | 0.23.3+ | 1.8.0 | 2.2.20 | | 0.23.1+ | 1.8.0 | 2.2.10 | | 0.23.0 | 1.8.0 | 2.2.0 | | 0.22.0 | 1.8.0 | 2.1.21 | | 0.21.0+ | 1.7.3 | 2.1.20 | | 0.20.3+ | 1.7.3 | 2.1.10 | | 0.20.1+ | 1.7.3 | 2.1.0 | | 0.20.0 | 1.7.1 | 2.1.0 | | 0.19.3+ | 1.7.1 | 2.0.20 | | 0.19.1+ | 1.6.11 | 2.0.20 | | 0.19.0[^k2] | 1.6.11 | 2.0.10 | | 0.18.0+ | 1.6.2 | 1.9.23 | | 0.17.2+ | 1.6.2 | 1.9.23 | | 0.17.1 | 1.6.1 | 1.9.23 | | 0.17.0 | 1.6.0 | 1.9.22 | | 0.16.1+ | 1.5.12 | 1.9.22 | | 0.16.0 | 1.5.11 | 1.9.21 | | 0.15.2+ | 1.5.11 | 1.9.21 | | 0.15.0+ | 1.5.10 | 1.9.20 | | 0.14.0+ | 1.5.1 | 1.9.10 | | 0.13.7+ | 1.4.1 | 1.8.20 | | 0.13.0+ | 1.4.0 | 1.8.20 | | 0.12.1+ | 1.3.1 | 1.8.10 | | 0.12.0 | 1.3.0 | 1.8.0 | | 0.11.4+ | 1.2.2 | 1.7.20 | | 0.11.0+ | 1.2.2 | 1.7.20 | | 0.10.4+ | 1.2.1 | 1.7.20 | | 0.10.0+ | 1.2.0 | 1.7.10 | | 0.9.12+ | 1.1.1 | 1.6.10 | | 0.9.11- | 1.0.0 | 1.6.10 | You should consider keeping these versions in sync in your own projects if possible to avoid unexpected issues around diverging APIs. [^k2]: See [migration docs](https://github.com/varabyte/kobweb/blob/v0.19.0/docs/k2-migration.md) if upgrading to Kobweb 0.19.x from an older project.