• Added a workaround for a possible JDK concurrency bug with method handles (#1111)

Cache

• Improved builder construction time (#905)

JCache

• Fixed deadlock when a cache listener writes to another cache (#1065)
• Added jakarta.inject support, dropping javax.inject (#1009)

• Fixed the log message when a key's equality has changed and corrupted the underlying map (#900, SLF4J-529)
• Added Implementation-Version and other MANIFEST.MF attributes (#889)

Cache

• Fixed clear() removing a key more than once due to a write-back removal listener (#872)

JCache

• Added support for loading the configuration from the cache manager's uri (#877)

Add @CanIgnoreReturnValue annotations for static analysis (#868)

Cache

• Fixed the build time dependency constraints from being leaked into the external metadata (#867)
• Fixed the behavior for null lookups to into returned unmodifiable maps to be consistent (#864)
• Fixed the cause of a removal notification for a discarded refresh when the entry was removed
• Fixed an unexpected delay of removal notifications when using a scheduler (#859)
• Fixed explicit refreshes from being deduped if the entry is pending eviction
• Defaulted methods to @CheckReturnValue for static analysis (#863)
• Reduced the lock hold time during Map.clear (#835)

JCache

• Fixed putAll with an immutable map that causes an exception when using a cache writer (#841)

Cache

• Added detection when a key's equality changes and causes the underlying map to become corrupted (SOLR-16489)
• Improved the frequency sketch by reducing memory accessing by better utilizing the cpu cache line
• Fixed computeIfAbsent when replacing a collected weak/soft value and the custom expiry fails
• Improved refresh conflict detection to avoid unnecessarily discarding after a reload
• Improved eviction when the weight is oversized (#745)

Guava

• Added an adapter from Guava's CacheLoader to Caffeine's (#766)

JCache

• Fixed Cache.getConfiguration() to return an immutable instance

• Fixed refreshAfterWrite when racing with a removed entry (#715)
• Fixed gradle module metadata variant selection (#716)

• Fixed the publication of a removal notification when computing a null value on top of an expired entry
• Fixed the publication of a removal notification for a conditional replacement on an unbounded cache
• Fixed Map.equals when the traversal triggers an eviction and the subset of live entries matches
• Improved refreshAfterWrite to return the new value if computed by the caller (#688, #699)
• Added Interner for weak keyed equality caching (#344)

• Fixed AsyncCache.getAll when storing additional mappings (#655)
• Added the ability to specify the expiration time with the computation
• Added a warning if writes stall due to blocked eviction (#672)
• Added advanced query support for obtaining entry metadata