Apache Pulsar Releases

GET https://watchchangelog.com/api/v1/entries?source=apache-pulsar.releases

{
  "source": "apache-pulsar.releases",
  "vendor": "Apache",
  "id": "tag:github.com,2008:Repository/62117812/v4.2.4",
  "published_at": "2026-08-03T10:14:19.000Z",
  "title": "v4.2.4",
  "url": "https://github.com/apache/pulsar/releases/tag/v4.2.4",
  "summary": "2026-08-03 Library updates [fix][ci] Upgrade sandboxed-trivy-action to approved sha ( #26169 ) [improve][meta] Upgrade Oxia client to 0.9.4 ( #26193 ) [improve][build] Upgrade docker base image Alpine to 3.24 ( #26225 ) [improve][build] Upgrade slog to 0.10.0 ( #26226 ) [improve][misc] Upgrade Jetty to 12.1.11 ( #26233 ) [fix][sec][branch-4.2] Upgrade Hadoop to 3.5.0 ( #26194 ) [fix][sec][branch-4.2] Upgrade Jackson version to 2.18.9 ( #26186 ) [fix][sec][branch-4.2] Upgrade Netty to 4.1.136.Final ( #26168 ) [improve][monitor][branch-4.2] Upgrade OpenTelemetry libraries ( #26182 ) Broker [fix][broker] Check deliverAt before containsMessage in bucket addMessage ( #26230 ) [fix][broker] Fix getEstimatedSizeSinceMarkDeletePosition throw IllegalArgumentException ( #26184 ) [fix][broker] Fix bucket delayed message index metrics reset on scrape ( #26171 ) [fix][broker] Fix delayed message index data loss when trimming overlapping bucket snapshots ( #26240 ) [fix][broker] Fix incorrect listener URLs returned by ModularLoadManager lookups ( #26245 ) [fix][broker] Fix Key_Shared delivery stall when look-ahead triggers at the end of the topic ( #26236 ) [fix][broker] Fix silently dropped acknowledgement failures in PulsarMetadataEventSynchronizer ( #26237 ) [fix][broker] Fix TableViewLoadDataStoreImpl close deadlock that stalls broker shutdown ( #26243 ) [fix][broker] Prevent completing replicated snapshot before marker publish ( #26119 ) [fix][broker] Prevent partition expansion from inheriting delayed-delivery bucket state ( #26179 ) [fix][broker] Prevent stale read completions from stranding Failover subscriptions ( #26174 ) [fix][broker] Prevent stale service unit callbacks from dropping active lookup and cleanup jobs ( #26146 ) [fix][broker] Prevent stale topic unload cleanup from removing active cache entries ( #26145 ) [fix][broker] Read subscription properties directly from cursor ( #26159 ) [fix][broker] Release entry on GetLastMessageId when parseMessageMetadata throws ( #26089 ) [fix][broker] Trigger max read position callback for messages published during transaction buffer recovery ( #26234 ) [fix][broker][branch-4.2] Fix admin API HTTP 400 FAIL_ON_TRAILING_TOKENS when a broker interceptor is loaded ( #26223 ) [fix][ml] Preserve ledger entries/size when transformLedgerInfo callback completes after a concurrent close ( #26228 ) [fix][meta] Complete handleMetadataEvent future exceptionally when the initial get fails ( #26199 ) [fix][meta] Fix NPE in shouldIgnoreEvent when MetadataEvent options is null ( #26200 ) [fix][meta] Fix RocksdbMetadataStore instanceId not advancing across restarts ( #26218 ) [fix][meta] Record get op stats on the correct completion branch in AbstractMetadataStore ( #26201 ) [improve][broker] Skip system cursor when check inactive cursor. ( #26149 ) [improve][broker] Trace the asynchronous tasks in logs when loading topics ( #26163 ) [improve][offload] Support credentials from offload policies for S3 and Aliyun OSS drivers ( #26232 ) [fix][broker] Fix BucketDelayedDeliveryTracker recovery after LightProto migration ( #26160 ) [fix][broker] Prevent early replay of non-strict delayed messages ( #26188 ) [fix][ml] Preserve ledger properties when closing ledger ( #26227 ) [improve][meta] Support tuning Oxia MetadataStoreConfig through metadata-store URIs ( #26150 ) Client [fix][client] Fix lookup permit double-release, waiting queue starvation and timeout-response races in ClientCnx ( #26143 ) [fix][client] Fix UnAckedMessageRedeliveryTracker to skip cancelled timeouts ( #26043 ) [fix][client] Fix unAckedMessageTracker cleanup on multi-topics batch ack ( #26001 ) [fix][client] Preserve null values in pulsar-admin schema output ( #26196 ) [fix][client] Sync ackSet in client with broker to stop acked messages reaching the DLQ ( #26135 ) Pulsar IO and Pulsar Functions [fix][fn] Forward source message properties in Python runtime ( #26191 ) [fix][fn] Return inputSpecs consumerProperties in function GET info ( #26217 ) Others [fix][metadata] Fix orphaned UR parent nodes not cleaned up with Oxia metadata backend ( #26158 ) [improve][misc][branch-4.2] Add CustomLog config for slog [fix][misc][branch-4.2] Make log4j pattern compatible with slog which got pulled in by Oxia client upgrade Tests & CI [fix][test] Fix flaky test testCompactionPriority ( #26198 ) [improve][ci] Replace trivy-action with sandboxed-trivy-action ( #25480 ) [fix][test][branch-4.2] Fix ManagedCursorTest compilation ( #26221 ) [fix][ci][branch-4.2] Skip testMarkReplicatedDeletesEmptyParentNodes for Etcd [fix][ci][branch-4.2] Fix OpenTelemetrySanityTest after Otel library upgrade For the complete list, check the full changelog .",
  "tags": [
    "Apache",
    "apache-pulsar.releases",
    "message-broker",
    "streaming",
    "apache"
  ]
}