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Android Developers
Android Studio
Preview
Release Updates
Android Studio 4.0.1 available
Tuesday, July 14, 2020
Android Studio 4.0.1 is now available in the Stable channel.
If you already have an Android Studio build on the
Stable channel
, you can get the update by clicking
Help > Check for Update
(
Android Studio > Check for Updates
on macOS). Otherwise, you can
download here
.
For information on new features and changes in all releases of Android Studio, see the
Android Studio release notes
.
We greatly appreciate your bug reports, which help us to make Android Studio better. If you encounter a problem, let us know by
reporting a bug
. Note that you can also
vote for an existing issue
to indicate that you are also affected by it.
General fixes
This update also includes fixes for the following public issues:
Android Gradle Plugin
Issue #154069245
: Jacoco task reprocessed the same files too many times - incremental builds
Issue #157446242
: build\build-attribution\androidGradlePluginAttributionData: The process cannot access the file because it is being used by another process
Issue #157888755
: versionName wrong in output.json file after building .apk
Issue #140747218
: Improve error messages for exceptions thrown from Jetifier
Dexer (D8)
Issue #157806261
: One or more instruction is preventing default interface method from being desugared: java.util.function.Consumer it.unimi.dsi.fastutil.chars.CharConsumer.andThen(java.util.function.Consumer)
Issue #158815562
: Desugaring: static methods don't work for subclasses
Issue #156142802
: Backport changes that made D8 lenient with non-sense line numbers and local variable table
Issue #148661132
: Assertion error on valid locals info
Issue #158124557
: Library desugaring does not rewrite generic signature
Import/Sync
Issue #158018185
: When using "make project", AS reports build failures when using Kotlin DSL in buildSrc
Shrinker (R8)
Issue #157966650
: R8 2.0.74 raise NullPointerException with -dontobfuscate option.
Issue #158432019
: IncompatibleClassChangeError happens with R8 + Kotlin object + Java lambda
Issue #158018192
: R8 2.0.74 produces invalid dex file when build "release" mode
Issue #157223339
: R8 2.0.74 Return of service loader rewrite issues
Issue #157926129
: minifyReleaseWithR8 throws java.lang.StackOverflowError after updating Gradle Plugin to 4.0.0
Testing
Issue #146447085
: Cannot run Android Instrumented Tests on Simulator with API < 21
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