32.0.1

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>32.0.1-jre</version>
  <!-- or, for Android: -->
  <version>32.0.1-android</version>
</dependency>

Jar files

• 32.0.1-jre.jar
• 32.0.1-android.jar

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

• failureaccess-1.0.1.jar

Javadoc

• 32.0.1-jre
• 32.0.1-android

JDiff

• 32.0.1-jre vs. 32.0.0-jre
• 32.0.1-android vs. 32.0.0-android
• 32.0.1-android vs. 32.0.1-jre

Changelog

• io: Fixed Files.createTempDir and FileBackedOutputStream under Windows, which broke as part of the security fix in release 32.0.0. Sorry for the trouble. (fdbf77d)

32.0.0

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>32.0.0-jre</version>
  <!-- or, for Android: -->
  <version>32.0.0-android</version>
</dependency>

Jar files

• 32.0.0-jre.jar
• 32.0.0-android.jar

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

• failureaccess-1.0.1.jar

Javadoc

• 32.0.0-jre
• 32.0.0-android

JDiff

• 32.0.0-jre vs. 31.1-jre
• 32.0.0-android vs. 31.1-android
• 32.0.0-android vs. 32.0.0-jre

Changelog

Security fixes

• Reimplemented Files.createTempDir and FileBackedOutputStream to further address CVE-2020-8908 (#4011) and CVE-2023-2976 (#2575). (feb83a1)

While CVE-2020-8908 was officially closed when we deprecated Files.createTempDir in Guava 30.0, we've heard from users that even recent versions of Guava have been listed as vulnerable in other databases of security vulnerabilities. In response, we've reimplemented the method (and the very rarely used FileBackedOutputStream class, which had a similar issue) to eliminate the insecure behavior entirely. This change could technically affect users in a number of different ways (discussed under "Incompatible changes" below), but in practice, the only problem users are likely to encounter is with Windows. If you are using those APIs under Windows, you should skip 32.0.0 and go straight to 32.0.1 which fixes the problem. (Unfortunately, we didn't think of the Windows problem until after the release. And while we warn that common.io in particular may not work under Windows, we didn't intend to regress support.) Sorry for the trouble.

Incompatible changes

Although this release bumps Guava's major version number, it makes no binary-incompatible changes to the guava artifact.

One change could cause issues for Widows users, and a few other changes could cause issues for users in more usual situations:

• The new implementations of Files.createTempDir and FileBackedOutputStream throw an exception under Windows. This is fixed in 32.0.1. Sorry for the trouble.
• guava-gwt now requires GWT 2.10.0.
• This release makes a binary-incompatible change to a @Beta API in the separate artifact guava-testlib. Specifically, we changed the return type of TestingExecutors.sameThreadScheduledExecutor to ListeningScheduledExecutorService. The old return type was a package-private class, which caused the Kotlin compiler to produce warnings. (dafaa3e)
• This release adds two methods to the Android flavor of Guava: Invokable.getAnnotatedReturnType() and Parameter.getAnnotatedType(). Those methods do not work under an Android VM; we added them only to help our tests of the Android flavor (since we also run those tests under a JRE). Android VMs tolerate such methods as long as the app does not call them or perform reflection on them, and builds tolerate them because of our new Proguard configurations (discussed below). Thus, we expect no impact to most users. However, we could imagine build problems for users who have set up their own build system for the Android flavor of Guava. Please report any problems so that we can judge how safely we might be able to add other methods to the Android flavor in the future, such as APIs that use Java 8 classes like Stream. (b30e73c)
• This release removes various APIs from the guava-gwt. This affects only users of GWT. The APIs we removed are Enums, Sets.complementOf, and the Enum*BiMap classes' keyType() and valueType() methods. These changes prepare for the removal of reflective enum-related APIs from J2CL. If one of these changes causes you problems as a GWT user, let us know. (c3a155d, 09db2c2, 3de12be)
• The new implementations of Files.createTempDir and FileBackedOutputStream are annotated as @J2ObjCIncompatible. If you need to use them under J2ObjC, contact us. (56dc928)
• Because the new version of Files.createTempDir restricts permissions to the current user, it could break any caller that relies on letting other users access the directory.
• The new versions of Files.createTempDir and FileBackedOutputStream throw an exception if they can't create the directory or file securely. Aside from the accidental Windows bug discussed above, this is possible only under Android Ice Cream Sandwich, a very old version of Android that is the oldest one we test Guava with.

Other changes

• Removed @Beta from almost all APIs. For details, see the bottom of the release notes. At this point, it's probably simpler to look at a list of APIs that still are @Beta, such as this list for guava-jre. Most of the remaining @Beta APIs are in graph and hash.
• Enhanced the Guava jar to include Proguard configurations that are picked up automatically by the Android Gradle Plugin. This should help with warnings that were promoted to errors in Android Gradle Plugin 8.x. (aeba1e1)
• Enhanced the Guava jar to include information about method parameters in its class files. If you use static analyzers that look at method-parameter names, you may see new warnings or errors if they are now able to detect mismatches. But mostly, you may see better tooltips and autocompletion in IDEs. (59d174c)
• Improved nullness annotations on a few classes.
• Modified classes with "serial proxies" to declare exception-throwing readObject methods, in accordance with best practice. (e62d6a0)
• collect: Fixed Maps.newHashMapWithExpectedSize to stop allocating maps that were larger than they needed to be. (6ad621e)
• collect: Made various APIs work J2CL: Maps.immutableEnumMap+toImmutableEnumMap, EnumMultiset, CollectorTester. Previously, the APIs were present but failed at runtime. (b62c88e, 23ff918, 852a7d3)
• collect: Optimized memory usage for Interner and MapMaker. (a2e8f3c)
• graph: Changed directed graphs to reject attempts to add undirected edges. (76260d9)
• io: Added BaseEncoding.ignoreCase() to support case-insensitive decoding. (9c1e5de)
• net: Added HttpHeaders constants:
  • No-Vary-Search (688b9c2)
  • Sec-CH-DPR (75a3d4d)
  • Sec-CH-UA-Wow64 (49e6b9c)
  • Sec-CH-Viewport-Width and Sec-CH-Viewport-Height (44df85a)
  • Supports-Loading-Mode (0d5c16f)
• net: Added the MediaType constant for JWT. (f942fd2)
• primitives: Added rotate() for arrays of all primitive types. (cd338fa, 6e9057d)
• util.concurrent: Changed AbstractFuture to run interruptTask() just before afterDone(). Until this change, it ran slightly earlier than that: We used to run it before unblocking any pending get() calls, and now we run it after. (b337be6)
• util.concurrent: Fixed some cases in which we could catch InterruptedException but fail to restore the interrupt bit. (8f0350a)

@Beta removal list

• base: Utf8 (211907c)
• base: more APIs (b0cc461)
• collect: Multimaps.asMap(...) (df0081f)
• collect: FluentIterable APIs (73b2f7b)
• collect: Forwarding[Foo] APIs (9760dbc)
• collect: ImmutableFoo.Builder.builderWithExpectedSize(...), orderEntriesByValue(...), and Entry-related APIs (61be35c)
• collect: RangeMap, RangeSet, and friends (fe12c81)
• collect: more APIs (98820c7, e5e0f66)
• io: ByteStreams (4897930)
• io: more APIs (a589256)
• math: various APIs (912815e)
• primitives: Longs.tryParse(...) and friends (b3d4856)
• primitives: UnsignedLongs (b240e8c)
• primitives: more APIs (fcec25f, ab4302a)
• reflect: Invokable and some methods in TypeToken (a195f7d)
• reflect: Parameter (except getAnnotatedType() in guava-android) (b561eb1)
• testing: various APIs (b331769, 74ad9b8)
• util.concurrent: FluentFuture (b9a2d58)
• util.concurrent: Futures (15a0c9f)
• util.concurrent: Striped (ba8ad69)
• util.concurrent: various MoreExecutors APIs (a3571b4)
• util.concurrent: more APIs (bbaf76a)

31.1

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>31.1-jre</version>
  <!-- or, for Android: -->
  <version>31.1-android</version>
</dependency>

Jar files

• 31.1-jre.jar
• 31.1-android.jar

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

• failureaccess-1.0.1.jar

Javadoc

• 31.1-jre
• 31.1-android

JDiff

• 31.1-jre vs. 31.0.1-jre
• 31.1-android vs. 31.0.1-android
• 31.1-android vs. 31.1-jre

Changelog

• base: Deprecated the Throwables methods lazyStackTrace and lazyStackTraceIsLazy. They are no longer useful on any current platform. (6ebd7d8)
• collect: Added a new method ImmutableMap.Builder.buildKeepingLast(), which keeps the last value for any given key rather than throwing an exception when a key appears more than once. (68500b2)
• collect: As a side-effect of the buildKeepingLast() change, the idiom ImmutableList.copyOf(Maps.transformValues(map, function)) may produce different results if function has side-effects. (This is not recommended.) (68500b2)
• hash: Added Hashing.fingerprint2011(). (13f703c)
• io: Changed ByteStreams.nullOutputStream() to follow the contract of OutputStream.write by throwing an exception if the range of bytes is out of bounds. (1cd85d0)
• net: Added @CheckReturnValue to the package (with a few exceptions). (a0e2577)
• net: Added HttpHeaders constant for Access-Control-Allow-Private-Network. (6dabbdf)
• util.concurrent: Added accumulate/update methods for AtomicDouble and AtomicDoubleArray. (2d875d3)

APIs promoted from @Beta

• base: Throwables methods getCausalChain and getCauseAs (dd462af)
• collect: Streams methods mapWithIndex and findLast (8079a29)
• collect: the remaining methods in Comparators: min, max, lexicographical, emptiesFirst, emptiesLast, isInOrder, isInStrictOrder (a3e411c)
• escape: various APIs (468c68a)
• io: various APIs in Files (828d9ee)
• net: various APIs (261ac7a)
• reflect: various APIs (9f6a384)
• testlib: various APIs (93a8f02)
• util.concurrent: AsyncCallable, ListenableScheduledFuture, and ClosingFuture (8b4ad17)
• util.concurrent: ExecutionSequencer, MoreExecutors.newSequentialExecutor, and Monitor (189d668)
• util.concurrent: Futures methods: submit, submitAsync, scheduleAsync, nonCancellationPropagating, inCompletionOrder (e015172)
• util.concurrent: Uninterruptibles: awaitTerminationUninterruptibly and the Duration overloads in the class (825de9a)
• util.concurrent: the FluentFuture type, its factory methods, and addCallback (9c7e13b)

31.0.1

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>31.0.1-jre</version>
  <!-- or, for Android: -->
  <version>31.0.1-android</version>
</dependency>

Jar files

• 31.0.1-jre.jar
• 31.0.1-android.jar

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

• failureaccess-1.0.1.jar

Javadoc

• 31.0.1-jre
• 31.0.1-android

JDiff

• 31.0.1-jre vs. 31.0-jre
• 31.0.1-android vs. 31.0-android
• 31.0.1-android vs. 31.0.1-jre

Changelog

• Fixed GWT compilation failure introduced in release 31.0. (0ad6d6d)

31.0

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>31.0-jre</version>
  <!-- or, for Android: -->
  <version>31.0-android</version>
</dependency>

Jar files

• 31.0-jre.jar
• 31.0-android.jar

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

• failureaccess-1.0.1.jar

Javadoc

• 31.0-jre
• 31.0-android

JDiff

• 31.0-jre vs. 30.1.1-jre
• 31.0-android vs. 30.1.1-android
• 31.0-android vs. 31.0-jre

Changelog

Known issue (fixed in patch release 31.0.1): guava-gwt breaks GWT compilation

Other Guava artifacts aren't affected, only users of GWT. (If you are using GWT, you would know it.)

Sorry for missing this during release: It was a known issue, and we had a partial workaround in place, but I forgot to include the problem in the list of release blockers.

To pick up the fix, upgrade to 31.0.1.

Main changes

• Changed guava-android to generate Java 8 bytecode. We still restrict ourselves to using APIs available on Ice Cream Sandwich. So, as long as you have enabled Java 8 language features for your Android build, this change should have no effect on Android projects. This change does drop support for Java 7 JREs, as announced last year.
• Annotated Guava much more thoroughly for nullness. For details, see the bottom of the release notes.
• base: Changed Functions.forSupplier and Predicates.instanceOf to accept an additional type argument to specify the input type for the returned Function/Predicate. The flexibility we're adding should typically not be necessary if users follow the PECS principle, but it can be useful in some cases, particularly around nullness analysis. Note that this change may require updates to callers' source code (to specify an additional type argument). Still, it maintains binary compatibility. (75110e9)
• collect: Added ImmutableMap.ofEntries, like Map.ofEntries but for ImmutableMap. (cd3b419)
• collect: Added overloads of ImmutableMap.of, ImmutableBiMap.of, and ImmutableSortedMap.of for up to 10 entries. (d5c30e3)
• collect: Renamed ImmutableMap.Builder.build() to buildOrThrow(). The existing build() method will continue to exist but may be deprecated, and the new name should be used in new code. (4bbe12c)
• collect: Removed @Beta from Interner and Interners. (cf31f3a)
• collect: Added @InlineMe to Streams.stream(Optional) and friends. (a176cd6)
• graph: Made EndpointPair.adjacentNode require an N instead of accept any Object. (b0be21d)
• hash: Removed @Beta from HashFunction. (e1cc195)
• hash: Deprecated buggy murmur3_32, and introduced murmur3_32_fixed. (a36f08f)
• io: Changed CharStreams.asWriter(appendable).write(string[, ...]) to reject a null string. (50e7ddd)
• io: Fixed a bug in FileBackedOutputStream cleanup: If writing to the temp file fails, we now delete it before propagating the exception. (6e054ce)
• net: Changed HostAndPort.fromString to reject port numbers spelled with non-ASCII digits. (53fd1d7)
• net: Added HttpHeaders constants for X-Device-Ip, X-Device-Referer, X-Device-Accept-Language, X-Device-Requested-With, Sec-CH-Prefers-Color-Scheme, Sec-CH-UA-Bitness, and Keep-Alive. (da375be, b23b277, 281edd4, 9c88f9a)
• primitives: Fixed a rounding bug in UnsignedLong.doubleValue(). (e61cf2e)
• reflect: Changed the type hierarchy of Invokable: Invokable no longer inherits from AccessibleObject or GenericDeclaration, though it continues to define instance methods with the same signatures as the formerly inherited ones. This is technically a breaking API change to this @Beta API. We think it very unlikely that anyone is affected in practice. (12af215)
• testlib: Enhanced NullPointerTester to allow a parameter of type <T extends @Nullable Object> to be null. (e856722)
• testlib: Fixed bug affecting derived tests of custom collection test suites: The setUp and tearDown methods are now copied to derived test suites. (c7d9fef)
• util.concurrent: Added ServiceManager.startupDurations(). (c95ba5a)
• util.concurrent: Removed the GWT-only overloads of Futures.catching and catchingAsync that let callers omit the Executor. This matches a change made years ago to the non-GWT API. If this breaks your GWT client code compilation, you can fix it by passing an additional parameter, MoreExecutors.directExecutor() (0ff2f78)

Nullness annotations

Previously, we annotated all parameters that could be null, and we did not annotate elsewhere reliably. Now:

• We consistently annotate return types for nullness.
• We annotate "components" of types, like the element type of an array or list and the bound of a type parameter. (To take advantage, Kotlin users can set -Xtype-enhancement-improvements-strict-mode.)
  • However, we don't yet annotate any such locations as non-nullable.
• In our annotations (including on parameters), we distinguish between @Nullable T ("always nullable, regardless of the type argument used for T") and T ("nullable only if the type argument is").
• We have temporarily increased our usage of jsr305, which we will ultimately phase out.
  • We use @CheckForNull instead of a type-annotation @Nullable wherever possible. This makes the nullness information available to more Kotlin users.
  • We've introduced a custom jsr305 annotation that informs Kotlin that unannotated return types are non-null (just like our usage of @ParametersAreNonnullByDefault already did for parameter types). (To take advantage, Kotlin users can set -Xjsr305=strict.)

(Known issue: We are missing annotations on the TypeToInstanceMap classes. We'll fix this in a future release.)

By providing additional nullness information, this release may result in more errors or warnings from any nullness analyzers you might use. If so, you may need to fix or suppress them as usual. For advice, see the documentation for the analyzer you're using, such as that for the Checker Framework or for Kotlin.

If you use NullAway with the AnnotatedPackages flag set to cover com.google.common, you may see not only additional legitimate errors but also some incorrect errors because Guava no longer uses @Nullable as frequently on type-variable usages. The NullAway developers have suggested a workaround, and they are planning for NullAway 0.9.9 to treat our type-variable usages differently. However, even after 0.9.9, NullAway users are likely to see some incorrect errors if they keep com.google.common in their AnnotatedPackages. A fuller solution will require Guava and tools to adopt an annotation model that is more suited to generics. For updates on that, follow #2960.

We will be using more annotations to provide more nullness information in the future.

30.1.1

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>30.1.1-jre</version>
  <!-- or, for Android: -->
  <version>30.1.1-android</version>
</dependency>

Jar files

• guava-30.1.1-jre.jar
• guava-30.1.1-android.jar

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

• failureaccess-1.0.1.jar

Javadoc

• 30.1.1-jre
• 30.1.1-android

JDiff

• 30.1.1-jre vs. 30.1-jre
• 30.1.1-android vs. 30.1-android
• 30.1.1-android vs. 30.1.1-jre

Changelog

• Increased the aggressiveness of Guava 30.1's warning log message for running guava-android under a Java 7 VM. (Android VMs are unaffected.) If the warning itself causes you trouble, you can eliminate it by silencing the logger for com.google.common.base.Preconditions (which is used only for this warning). This warning prepares for removing support for Java 7 in 2021. Please report any problems. We have tried to make the warning as safe as possible, but anytime a common library logs, especially as aggressively as we do in this new release, there is the potential for NullPointerException or even deadlock. (To be clear, Guava will not log under Java 8 or Android, but it will under Java 7.) (00c25e9)
• cache: Fixed compatibility between asMap().compute(...) and a load. (42bf4f4)
• cache: Added @CheckReturnValue to some APIs. (a5ef129)
• collect: Added @DoNotCall to the mutator methods on immutable types (6ae9532)
• hash: Removed @Beta from HashCode. (2c9f161)
• io: Removed @Beta from CountingOutputStream. (d394bac)

30.1

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>30.1-jre</version>
  <!-- or, for Android: -->
  <version>30.1-android</version>
</dependency>

Javadoc

• 30.1-jre
• 30.1-android

JDiff

• 30.1-jre vs. 30.0-jre
• 30.1-android vs. 30.0-android
• 30.1-android vs. 30.1-jre

Changelog

• If you use guava-android in an Android project (as opposed to from a Java VM), you will need to enable desugaring of Java 8 language features if you have not already done so. (And if you are releasing an Android library, then anyone who uses that library will also have to enable desugaring.) We expect for nearly all Android projects to have already enabled desugaring. But if this causes problems for you, please let us know on issue #5358. The purpose of this change is to detect potential problems for users now so that we can plan to use Java 8 language features in our implementation later this year.
• Introduced a warning log message when running guava-android under a Java 7 VM. (Android VMs are unaffected, aside from the need to use desugaring, described in the previous bullet.) This warning is not guaranteed to be logged when running under Java 7, so please don't rely on it as your only warning about future problems. If the warning itself causes you trouble, you can eliminate it by silencing the logger for com.google.common.base.MoreObjects$ToStringHelper (which is used only for this warning). This warning prepares for removing support for Java 7 in 2021. Please report any problems. We have tried to make the warning as safe as possible, but anytime a common library logs, there is the potential for NullPointerException or even deadlock. (To be clear, Guava will not log under Java 8 or Android, but it may log under Java 7.) (dc52e6e)
  • Note that we subsequently made this warning more aggressive in Guava 30.1.1, including changing the logger it uses to com.google.common.base.Preconditions.
• base: Deprecated StandardSystemProperty.JAVA_EXT_DIRS. We do not plan to remove the API, but note that, under recent versions of Java, that property always has a value of null. (38abf07)
• net: Added HttpHeaders constants for Origin-Isolation and X-Request-ID. (a48fb4f, 8319d20)
• reflect: Added ClassInfo.isTopLevel(). (4106272)
• util.concurrent: Added ClosingFuture.submitAsync(AsyncClosingCallable). (c5e2d8d)

30.0

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>30.0-jre</version>
  <!-- or, for Android: -->
  <version>30.0-android</version>
</dependency>

Javadoc

• 30.0-jre
• 30.0-android

JDiff

• 30.0-jre vs. 29.0-jre
• 30.0-android vs. 29.0-android
• 30.0-android vs. 30.0-jre

Changelog

• Guava types can no longer be sent over GWT-RPC. Even the earlier, temporary way to reenable support (guava.gwt.emergency_reenable_rpc) no longer has an effect. (0cb89dd)
• cache: Fixed memory leak in LocalCache under j2objc. (5e519d9)
• collect: Added two-element min and max methods to Comparators. (958186c)
• collect: Removed @Beta from Multimaps.toMultimap. (b6b4dc4)
• collect: Made the set returned by ImmutableMap<K, V>.keySet() serializable as long as K is serializable, even if V is not (and similarly for values()). (f5a69c3)
• collect: Fixed bug in powerSet.equals(otherPowerSet) would erroneously return false if the two power sets' underlying sets were equal but had a different iteration order. (215b1f0)
• collect: Eliminated j2objc retain-cycle in SingletonImmutableBiMap. (0ad38b8)
• eventbus: Prevented @Subscribe from being applied to a method that takes a primitive, as that will never be called. (554546c)
• graph: Made Traverser.breadthFirst() lazier, and optimized Traverser more generally. (32f2d77, b5210ca)
• graph: Added @DoNotMock to Traverser. (6410f18)
• io: Deprecated Files.createTempDir(). (fec0dbc) (CVE-2020-8908; continuing discussion in #4011)
• io: Upgraded ByteStreams.copy(InputStream, OutputStream) to use the faster FileChannel if possible. (a1e9a0b) [update: My mistake: This was rolled back, so it did not make 30.0.]
• math: Added roundToDouble to BigDecimalMath, BigIntegerMath, and LongMath. (bee4f3c, 2b5c096, 633abf2)
• net: Added MediaType constants for several font/ types. (571cf66)
• net: Added HttpHeaders constants for Cross-Origin-Embedder-Policy(-Report-Only)?. (c3bf731)
• testing: Made EqualsTester test that non-String objects are not equal to their String representations. (c9570ea)
• util.concurrent: Added ClosingFuture. (52e048e)
• util.concurrent: Removed the deprecated 1-arg ServiceManager.addListener(Listener). Use the 2-arg addListener(Listener, Executor) overload, setting the executor to directExecutor() for equivalent behavior. (dfb0001)
• util.concurrent: Changed AbstractFuture.toString() to no longer include the toString() of the result. (2ebf27f)
• util.concurrent: Added awaitTerminationUninterruptibly. (f07b954)

29.0

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>29.0-jre</version>
  <!-- or, for Android: -->
  <version>29.0-android</version>
</dependency>

Javadoc

• 29.0-jre
• 29.0-android

JDiff

• 29.0-jre vs. 28.2-jre
• 29.0-android vs. 28.2-android
• 29.0-android vs. 29.0-jre

Changelog

• Guava types can no longer be sent over GWT-RPC. To temporarily reenable support, set the guava.gwt.emergency_reenable_rpc system property to true. (5214a10)
  • This is the only breaking change in this release, and it affects only users of the guava-gwt artifact, not people who use only the guava artifact. This release contains no changes that break binary compatibility for any users.
• API documentation for Guava classes is now easier to reach. For example, for ImmutableList, visit guava.dev/ImmutableList. Also, more easily access the index at guava.dev/api.
• collect: Annotated FluentIterable.from(FluentIterable) with @DoNotCall. (b1c77b7)
• collect: Made ceiling, floor, headSet(E, boolean), and tailSet(E, boolean) methods available in the GWT-emulated ImmutableSortedSet. (7e0fe90, 5f2fbf2)
• graph: Made it possible to set a stable incident edge order by calling the newly added method [Value]Graph.Builder.incidentEdgeOrder(ElementOrder.stable()). (7016402)
• graph: Added incidentEdgeOrder() to the [Value]Graph interfaces. (cde576e)
• util.concurrent: Added Duration-based default methods to ListeningScheduledExecutorService. (931e83f)
• util.concurrent: Added immediateVoidFuture. (9f3bae5)
• util.concurrent: Removed @Beta from Service and related classes. (dc46627)
• util.concurrent: Deprecated the 1-arg overload of ServiceManager.addListener. (86e3620)
• util.concurrent: Changed the return type of ServiceManager.servicesByState() to ImmutableSetMultimap (but also retained a method with the old signature for binary compatibility). (31999ae)
• util.concurrent: Made it safe to load the AbstractFuture class from a ForkJoinPool thread under a security manager. (6e0c5b5)

28.2

Maven

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava</artifactId>
  <version>28.2-jre</version>
  <!-- or, for Android: -->
  <version>28.2-android</version>
</dependency>

Javadoc

• 28.2-jre
• 28.2-android

JDiff

• 28.2-jre vs. 28.1-jre
• 28.2-android vs. 28.1-android
• 28.2-android vs. 28.2-jre

Changelog

• Warning to users of GWT-RPC: The first Guava release of 2020 will remove support for GWT-serializing Guava types. To test ahead of time with GWT-RPC support for Guava types disabled, set the guava.gwt.emergency_reenable_rpc system property to false. (Even without the system property enabled, apps will now log warnings when sending Guava types over GWT-RPC.) (08bbf53)
• base: Added Splitter.splitToStream().
• concurrent: Added Futures.submit() (c7ef0cc)
• concurrent: Made platformThreadFactory() and related utilities (mainly *Service) work under Java 11 App Engine, and tweaked other App Engine threading behavior. (e3ee00d)
• concurrent: Added catch to StackOverflowError in AbstractFuture.toString to prevent long chains of futures from failing toString calls. (a2e6acc)
• concurrent: Made ListenableFuture implement Thenable via a default interface method in GWT/j2cl (e0bac74).
• graph: Fixed bug in AbstractNetwork.hasEdgeConnecting() causing it to throw if either endpoint was not in the graph. Originally reported as #3721. (2ee7f9d)
• graph: Fixed data race. (0e94fb5)
• math: Added Stream support to Stats and StatsAccumulator. (e2f4eba)
• math: Added Quantiles compute() methods which return a Map now return a map with entries in the same order in which the indexes were provided. (786c3d8)
• net: Added support for scope IDs for IPv6 addresses. (8a7d36a)
• net: Added toBigInteger and fromIpv4BigInteger/fromIpv6BigInteger to InetAddresses for manipulating InetAddresses as BigIntegers (d7a0b3d)
• net: Added MediaType constants for application/opensearchdescription+xml (f79c4fe) and MPEG-DASH (67dd062), as well as a constant for the header Cross-Origin-Opener-Policy (4ef2111).
• net: Made MediaType reject empty type, subtype, and attribute (b080067) and non-ASCII parameter values (2278123). Also, made it serialize empty parameter values to quoted strings (2278123).
• Added @DoNotMock to several types. (4eea0f7, add4309)
• Removed dependency on animal-sniffer-annotations. (5f37e53)