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Is it safe to use Compose Compiler 1.4.0-alpha02 in production? We’re dying to release our app with Kotlin 1.7.21 support. I thought Compose Compiler would have shorter release cycle than regular Compose UI library, but it’s been a month since last release of alpha

All post-1.0 versions regardless of whether they're bare versions, RCs, betas, or alphas adhere to the same test suite and therefore are all production ready (whatever that even means).

Additionally, google3 (Google's internal monorepo) consumes alpha versions of all libraries and uses them "in production" which can also be considered a very high confidence test suite

There is basically no reason for the compiler to go through the alpha/beta/RC cycle except for organization and operational technical debt on the AndroidX team and within the AndroidX infrastructure they've built. You can treat each alpha/beta/RC of the compiler as if it were what a project that was run normally would release as patch versions.