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DevOps / Gradle8 Interview Questions

What are the key features introduced in Gradle 8?

Gradle 8 (spanning 8.0 through the 8.14.x line) consolidated several performance and correctness features that had been incubating in Gradle 7.

  • Configuration cache — caches the result of the configuration phase itself, so subsequent builds can skip re-evaluating build scripts entirely when nothing relevant changed.
  • Java toolchain support for the daemon (from 8.8) — lets a project declare which JVM should run the Gradle daemon itself, not just compile code, avoiding "works on my machine" JVM mismatches.
  • Improved dependency-resolution error messages (8.9) — clearer variant-mismatch diagnostics when a dependency can't be resolved.
  • Stable File Permissions API (promoted from incubating in 8.3) — defines UNIX-style file permissions programmatically instead of shelling out.
  • Support for newer JDKs — Gradle 8.0 added compilation, testing, and execution support for JDK 17–19, with later 8.x releases extending that range further.
  • Removal of long-deprecated APIs from Gradle 4-6 era, which is the main source of breaking changes when upgrading an old project straight to 8.
Which Gradle 8 feature caches the result of the configuration phase itself?
What did Gradle 8.8 add related to the daemon's JVM?

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