Android users: Please test recent Guava versions

If you know of Guava Android users who have not yet upgraded to at least release 33.0.0, please encourage them to upgrade, preferably to today's release, 33.2.0. These releases have begun adding Java 8+ APIs to guava-android. While we don't anticipate problems, we do anticipate that any unexpected problems could force a disruptive rollback. To minimize any disruption, we'd like to catch any such problems early.

Please let us know of any problems you encounter.

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>33.2.0-jre</version>
  <!-- or, for Android: -->
  <version>33.2.0-android</version>
</dependency>

Jar files

• 33.2.0-jre.jar
• 33.2.0-android.jar

Guava requires one runtime dependency, which you can download here:

• failureaccess-1.0.1.jar

Javadoc

• 33.2.0-jre
• 33.2.0-android

JDiff

• 33.2.0-jre vs. 33.1.0-jre
• 33.2.0-android vs. 33.1.0-android
• 33.2.0-android vs. 33.2.0-jre

Changelog

• Dropped testing for Android versions before Lollipop (API Level 21). Guava may stop working under older versions in the future, or it may have done so already.
• Fixed a GWT compilation breakage under Gradle. (858caf425c)
• collect: Made our Collector APIs (e.g., ImmutableList.toImmutableList()) available in guava-android. More Java 8 APIs will follow in future releases. (96fca0b747)
  • As always, streams are available to Android code only when that code enables library desugaring or targets a new enough API Level (24 (Nougat) for many stream APIs). (But note that we test only with library desugaring, so we don't currently know if API Level 24 is high enough to use our Collector APIs unless you have also enabled library desugaring.) Guava users who avoid the Collector APIs do not need to meet this requirement.
• collect: Fixed a potential NullPointerException in ImmutableMap.Builder on a rare code path. (70a98115d8)
• net: Added HttpHeaders constants Ad-Auction-Allowed, Permissions-Policy-Report-Only, and Sec-GPC. (7dc01ed27b, 41d0d9a833, 38c8017bd44b7919b112f1c99f3d8ce4b058ae5d)