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class="hash-link" aria-label="Direct link to Broker" title="Direct link to Broker"></a></h4><ul><li>[improve][broker]<!-- --> Do not print the log that the topic does not exist <a href="https://github.com/apache/pulsar/pull/13535" target="_blank" rel="noopener noreferrer">13535</a></li><li>[fix][broker]<!-- --> Fix NPE when nextValidLedger is null <a href="https://github.com/apache/pulsar/pull/13975" target="_blank" rel="noopener noreferrer">13975</a></li><li>[fix][broker]<!-- --> Fix NPE when <code>ReplicatedSubscriptionsController</code> sends marker message with deduplication enabled <a href="https://github.com/apache/pulsar/pull/14017" target="_blank" rel="noopener noreferrer">14017</a></li><li>[fix][broker]<!-- --> Fix avg-messagePerEntry metrics for consumer <a href="https://github.com/apache/pulsar/pull/14330" target="_blank" rel="noopener noreferrer">14330</a></li><li>[improve][broker]<!-- --> Validate rack name when setting the bookie rack info <a href="https://github.com/apache/pulsar/pull/14336" target="_blank" rel="noopener noreferrer">14336</a></li><li>[improve][broker]<!-- --> Optimize find nics process. <a href="https://github.com/apache/pulsar/pull/14340" target="_blank" rel="noopener noreferrer">14340</a></li><li>[fix][broker]<!-- --> Fix NPE when subscription is already removed <a href="https://github.com/apache/pulsar/pull/14363" target="_blank" rel="noopener noreferrer">14363</a></li><li>[fix][broker]<!-- --> Fix Broker HealthCheck Endpoint Exposes Race Conditions <a href="https://github.com/apache/pulsar/pull/14367" target="_blank" rel="noopener noreferrer">14367</a></li><li>[improve][broker]<!-- --> Optimize RawReader#create when using Compactor <a href="https://github.com/apache/pulsar/pull/14447" target="_blank" rel="noopener noreferrer">14447</a></li><li>[fix][broker]<!-- --> Fix the latest message of the compacted topic cannot be read <a href="https://github.com/apache/pulsar/pull/14449" target="_blank" rel="noopener noreferrer">14449</a></li><li>[fix][broker]<!-- --> Fix producerFuture not completed in ServerCnx#handleProducer <a href="https://github.com/apache/pulsar/pull/14467" target="_blank" rel="noopener noreferrer">14467</a></li><li>[fix][broker]<!-- --> Fix NPW in ManagedLedgerImpl <a href="https://github.com/apache/pulsar/pull/14481" target="_blank" rel="noopener noreferrer">14481</a></li><li>[improve][broker]<!-- --> Support shrink in ConcurrentLongHashMap <a href="https://github.com/apache/pulsar/pull/14497" target="_blank" rel="noopener noreferrer">14497</a></li><li>[fix][broker]<!-- --> Fixed wrong behaviour caused by not cleaning up topic policy service state. <a href="https://github.com/apache/pulsar/pull/14503" target="_blank" rel="noopener noreferrer">14503</a></li><li>[improve][broker]<!-- --> Optimize memory usage: support to shrink for pendingAcks map <a href="https://github.com/apache/pulsar/pull/14515" target="_blank" rel="noopener noreferrer">14515</a></li><li>[fix][broker]<!-- --> Cancel offload tasks when managed ledger closed <a href="https://github.com/apache/pulsar/pull/14744" target="_blank" rel="noopener noreferrer">14744</a></li><li>[improve][broker]<!-- --> Reduce unnecessary expansions for ConcurrentLong map and set <a href="https://github.com/apache/pulsar/pull/14562" target="_blank" rel="noopener noreferrer">14562</a></li><li>[fix][broker]<!-- --> Fix metadata store deadlock when checking BacklogQuota <a href="https://github.com/apache/pulsar/pull/14634" target="_blank" rel="noopener noreferrer">14634</a></li><li>[improve][broker]<!-- --> Support shrink for map or set <a href="https://github.com/apache/pulsar/pull/14663" target="_blank" rel="noopener noreferrer">14663</a></li><li>[fix][broker]<!-- --> Fix lost message issue due to ledger rollover <a href="https://github.com/apache/pulsar/pull/14664" target="_blank" rel="noopener noreferrer">14664</a></li><li>[fix][broker]<!-- --> Set splitNamespaceBundle with <code>readonly=false</code> <a href="https://github.com/apache/pulsar/pull/14680" target="_blank" rel="noopener noreferrer">14680</a></li><li>[fix][broker]<!-- --> Fixed duplicated delayed messages when all consumers disconnect <a href="https://github.com/apache/pulsar/pull/14740" target="_blank" rel="noopener noreferrer">14740</a></li><li>[fix][broker]<!-- --> Fix wrong state for non-durable cursor <a href="https://github.com/apache/pulsar/pull/14869" target="_blank" rel="noopener noreferrer">14869</a></li><li>[fix][broker]<!-- --> Improve error logging for topic not found <a href="https://github.com/apache/pulsar/pull/14892" target="_blank" rel="noopener noreferrer">14892</a></li><li>[fix][broker]<!-- --> Fix topic policy reader close bug <a href="https://github.com/apache/pulsar/pull/14897" target="_blank" rel="noopener noreferrer">14897</a></li><li>[fix][broker]<!-- --> Return if reset in progress <a href="https://github.com/apache/pulsar/pull/14978" target="_blank" rel="noopener noreferrer">14978</a></li><li>[fix][broker]<!-- --> Fix potential NPE in Replicator <a href="https://github.com/apache/pulsar/pull/15003" target="_blank" rel="noopener noreferrer">15003</a></li><li>[fix][broker]<!-- --> Fix race condition in updating lastMarkDeleteEntry field <a href="https://github.com/apache/pulsar/pull/15031" target="_blank" rel="noopener noreferrer">15031</a></li><li>[fix][broker]<!-- --> Fix potential to add duplicated consumer <a href="https://github.com/apache/pulsar/pull/16826" target="_blank" rel="noopener noreferrer">16826</a></li><li>[fix][broker]<!-- --> Follow up on race condition fixes in ManagedCursorImpl #15031 <a href="https://github.com/apache/pulsar/pull/15067" target="_blank" rel="noopener noreferrer">15067</a></li><li>[cleanup][broker]<!-- --> Remove useless code to avoid confusion in OpReadEntry#checkReadCompletion <a href="https://github.com/apache/pulsar/pull/15104" target="_blank" rel="noopener noreferrer">15104</a></li><li>[fix][broker]<!-- --> Cancel <code>fencedTopicMonitoringTask</code> when topic closed normally. <a href="https://github.com/apache/pulsar/pull/15202" target="_blank" rel="noopener noreferrer">15202</a></li><li>[fix][broker]<!-- --> Fix MessageDeduplication#inactiveProducers may not be persistence correctly <a href="https://github.com/apache/pulsar/pull/15206" target="_blank" rel="noopener noreferrer">15206</a></li><li>[fix][broker]<!-- --> Fix race condition between timeout and completion in <code>OpAddEntry</code> <a href="https://github.com/apache/pulsar/pull/15233" target="_blank" rel="noopener noreferrer">15233</a></li><li>[fix][broker]<!-- --> Fix problem at RateLimiter#tryAcquire <a href="https://github.com/apache/pulsar/pull/15306" target="_blank" rel="noopener noreferrer">15306</a></li><li>[improve][broker]<!-- --> Use shrink map for message redelivery. <a href="https://github.com/apache/pulsar/pull/15342" target="_blank" rel="noopener noreferrer">15342</a></li><li>[improve][broker]<!-- --> Support shrink for ConcurrentSortedLongPairSet <a href="https://github.com/apache/pulsar/pull/15354" target="_blank" rel="noopener noreferrer">15354</a></li><li>[improve][broker]<!-- --> Close connection if a ping or pong message cannot be sent <a href="https://github.com/apache/pulsar/pull/15382" target="_blank" rel="noopener noreferrer">15382</a></li><li>[cleanup][broker]<!-- --> Fix typo in enum name and handle closing of the channel properly since writeAndFlush is asynchronous <a href="https://github.com/apache/pulsar/pull/15384" target="_blank" rel="noopener noreferrer">15384</a></li><li>[fix][broker]<!-- --> Avoid heartbeat topic to offload. <a href="https://github.com/apache/pulsar/pull/15393" target="_blank" rel="noopener noreferrer">15393</a></li><li>[fix][broker]<!-- --> Fix deadlock in broker after race condition in topic creation failure <a href="https://github.com/apache/pulsar/pull/15570" target="_blank" rel="noopener noreferrer">15570</a></li><li>[fix][broker]<!-- --> fix calculation in getNumberOfEntriesInStorage <a href="https://github.com/apache/pulsar/pull/15627" target="_blank" rel="noopener noreferrer">15627</a></li><li>[fix][broker]<!-- --> Fix NPE when set <code>AutoTopicCreationOverride</code> <a href="https://github.com/apache/pulsar/pull/15653" target="_blank" rel="noopener noreferrer">15653</a></li><li>[fix][broker]<!-- --> Fix creating producer failure when set backlog quota <a href="https://github.com/apache/pulsar/pull/15663" target="_blank" rel="noopener noreferrer">15663</a></li><li>[fix][broker]<!-- --> Fix NPE when put value to <code>RangeCache</code> <a href="https://github.com/apache/pulsar/pull/15707" target="_blank" rel="noopener noreferrer">15707</a></li><li>[fix][broker]<!-- --> Fix can not enable system topic if <code>AutoUpdateSchemaEnabled=false</code> <a href="https://github.com/apache/pulsar/pull/15759" target="_blank" rel="noopener noreferrer">15759</a></li><li>[fix][broker]<!-- --> Fix wrong unit of NIC speed on Linux <a href="https://github.com/apache/pulsar/pull/15770" target="_blank" rel="noopener noreferrer">15770</a></li><li>[fix][broker]<!-- --> Fix NPE in MessageDeduplication <a href="https://github.com/apache/pulsar/pull/15820" target="_blank" rel="noopener noreferrer">15820</a></li><li>[fix][broker]<!-- --> Fix NPE when ledger id not found in <code>OpReadEntry</code> <a href="https://github.com/apache/pulsar/pull/15837" target="_blank" rel="noopener noreferrer">15837</a></li><li>[fix][broker]<!-- --> When skipping updating mark delete position, execute callback with executor to prevent deadlock <a href="https://github.com/apache/pulsar/pull/15971" target="_blank" rel="noopener noreferrer">15971</a></li><li>[fix][broker]<!-- --> Fix NPE when drop backlog for time limit. <a href="https://github.com/apache/pulsar/pull/16235" target="_blank" rel="noopener noreferrer">16235</a></li><li>[fix][broker]<!-- -->Fix getInternalStats occasional lack of LeaderInfo again <a href="https://github.com/apache/pulsar/pull/16238" target="_blank" rel="noopener noreferrer">16238</a></li><li>[fix][broker]<!-- --> Fix RawReader out of order <a href="https://github.com/apache/pulsar/pull/16390" target="_blank" rel="noopener noreferrer">16390</a></li><li>[fix][broker]<!-- --> Skip reading more entries for a pending read with no more entries <a href="https://github.com/apache/pulsar/pull/16400" target="_blank" rel="noopener noreferrer">16400</a></li><li>[fix][broker]<!-- --> Fix No such ledger exception <a href="https://github.com/apache/pulsar/pull/16420" target="_blank" rel="noopener noreferrer">16420</a></li><li>[fix][broker]<!-- --> Fix RawReader hasMessageAvailable returns true when no messages <a href="https://github.com/apache/pulsar/pull/16443" target="_blank" rel="noopener noreferrer">16443</a></li><li>[fix][broker]<!-- --> Fix stats-internal with option -m cause active ledger recover then close <a href="https://github.com/apache/pulsar/pull/16662" target="_blank" rel="noopener noreferrer">16662</a></li><li>[fix][broker]<!-- --> Fix passing incorrect authentication data <a href="https://github.com/apache/pulsar/pull/16840" target="_blank" rel="noopener noreferrer">16840</a></li><li>[fix][broker]<!-- --> ManagedCursor: mark delete no callback when create meta-ledger fail <a href="https://github.com/apache/pulsar/pull/16841" target="_blank" rel="noopener noreferrer">16841</a></li><li>[improve][broker]<!-- --> Avoid reconnection when a partitioned topic was created concurrently <a href="https://github.com/apache/pulsar/pull/16867" target="_blank" rel="noopener noreferrer">16867</a></li><li>[improve][broker]<!-- --> Recycle OpReadEntry in some corner cases <a href="https://github.com/apache/pulsar/pull/16869" target="_blank" rel="noopener noreferrer">16869</a></li><li>[fix][broker]<!-- --> Fix compaction subscription acknowledge Marker msg issue. <a href="https://github.com/apache/pulsar/pull/16918" target="_blank" rel="noopener noreferrer">16918</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="security">Security<a href="#security" class="hash-link" aria-label="Direct link to Security" title="Direct link to Security"></a></h4><ul><li>[fix][sec]<!-- --> Use provider's canLookupAsync method for AuthorizationService <a href="https://github.com/apache/pulsar/pull/11777" target="_blank" rel="noopener noreferrer">11777</a></li><li>[improve][sec]<!-- --> Optimize the logic of allowing namespace operation <a href="https://github.com/apache/pulsar/pull/13090" target="_blank" rel="noopener noreferrer">13090</a></li><li>[improve][sec]<!-- --> Full-support set SSL provider, ciphers and protocols <a href="https://github.com/apache/pulsar/pull/13740" target="_blank" rel="noopener noreferrer">13740</a></li><li>[fix][sec]<!-- --> Role with namespace produce authz can also get topics <a href="https://github.com/apache/pulsar/pull/13773" target="_blank" rel="noopener noreferrer">13773</a></li><li>[improve][sec]<!-- --> Full-support SSL provider, ciphers, and protocols for broker service and proxy service <a href="https://github.com/apache/pulsar/pull/15034" target="_blank" rel="noopener noreferrer">15034</a></li><li>[improve][sec]<!-- --> Add load multiple certificates support <a href="https://github.com/apache/pulsar/pull/14798" target="_blank" rel="noopener noreferrer">14798</a></li><li>[fix][sec]<!-- --> Fix handling single role and non-jwt-token in MultiRolesTokenAuthorizationProvider <a href="https://github.com/apache/pulsar/pull/14857" target="_blank" rel="noopener noreferrer">14857</a></li><li>[fix][sec]<!-- --> Use tlsCertRefreshCheckDurationSec instead of 0 for refresh value <a href="https://github.com/apache/pulsar/pull/15075" target="_blank" rel="noopener noreferrer">15075</a></li><li>[improve][sec]<!-- --> Skip unnecessary DNS resolution when creating AuthenticationDataHttp instance <a href="https://github.com/apache/pulsar/pull/15221" target="_blank" rel="noopener noreferrer">15221</a></li><li>[improve][sec]<!-- --> Improve skipping of DNS resolution when creating AuthenticationDataHttp instance <a href="https://github.com/apache/pulsar/pull/15228" target="_blank" rel="noopener noreferrer">15228</a></li><li>[fix][sec]<!-- --> Fix MultiRolesTokenAuthorizationProvider <code>authorize</code> issue <a href="https://github.com/apache/pulsar/pull/15454" target="_blank" rel="noopener noreferrer">15454</a></li><li>[fix][sec]<!-- --> Fix grant all permissions but can't list topic <a href="https://github.com/apache/pulsar/pull/15501" target="_blank" rel="noopener noreferrer">15501</a></li><li>[improve][sec]<!-- --> Switch to rely on Netty for Hostname Verification <a href="https://github.com/apache/pulsar/pull/15824" target="_blank" rel="noopener noreferrer">15824</a></li><li>[fix][sec]<!-- --> Fix create client with TLS config <a href="https://github.com/apache/pulsar/pull/16014" target="_blank" rel="noopener noreferrer">16014</a></li><li>[fix][sec]<!-- --> Avoid AuthenticationDataSource mutation for subscription name <a href="https://github.com/apache/pulsar/pull/16065" target="_blank" rel="noopener noreferrer">16065</a></li><li>[improve][sec]<!-- --> Improve get the basic authentication config <a href="https://github.com/apache/pulsar/pull/16526" target="_blank" rel="noopener noreferrer">16526</a></li><li>[fix][sec]<!-- --> Fix multiple roles authorization <a href="https://github.com/apache/pulsar/pull/16645" target="_blank" rel="noopener noreferrer">16645</a></li><li>[fix][sec]<!-- --> Add timeout of sync methods and avoid call sync method for AuthoriationService (#15694) <a href="https://github.com/apache/pulsar/pull/16831" target="_blank" rel="noopener noreferrer">16831</a></li><li>[improve][sec]<!-- --> Support for get token from HTTP params <a href="https://github.com/apache/pulsar/pull/16871" target="_blank" rel="noopener noreferrer">16871</a></li><li>[improve][sec]<!-- --> Adapt basic authentication configuration with prefix <a href="https://github.com/apache/pulsar/pull/16935" target="_blank" rel="noopener noreferrer">16935</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="admin">Admin<a href="#admin" class="hash-link" aria-label="Direct link to Admin" title="Direct link to Admin"></a></h4><ul><li>[improve][admin]<!-- --> Add corresponding get command for namespace <a href="https://github.com/apache/pulsar/pull/12322" target="_blank" rel="noopener noreferrer">12322</a></li><li>[fix][admin]<!-- --> Fix deleting namespace will fail when system topics exist <a href="https://github.com/apache/pulsar/pull/15040" target="_blank" rel="noopener noreferrer">15040</a></li><li>[fix][admin]<!-- --> Fix validateGlobalNamespaceOwnership wrap exception issue <a href="https://github.com/apache/pulsar/pull/14612" target="_blank" rel="noopener noreferrer">14612</a></li><li>[fix][admin]<!-- --> Fix wrong prompt exception when getting the non-persistent topic list without GET_BUDNLE permission <a href="https://github.com/apache/pulsar/pull/14638" target="_blank" rel="noopener noreferrer">14638</a></li><li>[fix][admin]<!-- --> Fixed 404 error msg not returned correctly using http lookup <a href="https://github.com/apache/pulsar/pull/14677" target="_blank" rel="noopener noreferrer">14677</a></li><li>[improve][admin]<!-- --> Provide an accurate error message when set <code>autoTopicCreation</code> <a href="https://github.com/apache/pulsar/pull/14684" target="_blank" rel="noopener noreferrer">14684</a></li><li>[fix][admin]<!-- --> Fix cannot delete namespace with system topic <a href="https://github.com/apache/pulsar/pull/14730" target="_blank" rel="noopener noreferrer">14730</a></li><li>[fix][admin]<!-- --> Fix NPE in PulsarAdminBuilder when the service is not set <a href="https://github.com/apache/pulsar/pull/14769" target="_blank" rel="noopener noreferrer">14769</a></li><li>[fix][admin]<!-- --> Fix missing response type in swagger definitions <a href="https://github.com/apache/pulsar/pull/16022" target="_blank" rel="noopener noreferrer">16022</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="function">Function<a href="#function" class="hash-link" aria-label="Direct link to Function" title="Direct link to Function"></a></h4><ul><li>[fix][fn]<!-- --> Fixing get functions for output topic and serde classname <a href="https://github.com/apache/pulsar/pull/14103" target="_blank" rel="noopener noreferrer">14103</a></li><li>[improve][fn]<!-- --> Pass configured metricsPort to k8s runtime <a href="https://github.com/apache/pulsar/pull/14502" target="_blank" rel="noopener noreferrer">14502</a></li><li>[fix][fn]<!-- --> fix some IOExceptions when create functions from package URL <a href="https://github.com/apache/pulsar/pull/14553" target="_blank" rel="noopener noreferrer">14553</a></li><li>[fix][fn]<!-- --> handle NPE when <code>getLeader</code> returns null <a href="https://github.com/apache/pulsar/pull/15058" target="_blank" rel="noopener noreferrer">15058</a></li><li>[improve][fn]<!-- --> Add KeyStore support in WebSocket, Function Worker HTTPS Servers <a href="https://github.com/apache/pulsar/pull/15084" target="_blank" rel="noopener noreferrer">15084</a></li><li>[fix][function]<!-- --> Check executor null when close the FileSource <a href="https://github.com/apache/pulsar/pull/15247" target="_blank" rel="noopener noreferrer">15247</a></li><li>[improve][fn]<!-- --> Provide default error handler for function log appender <a href="https://github.com/apache/pulsar/pull/15728" target="_blank" rel="noopener noreferrer">15728</a></li><li>[fix][function]<!-- --> Fix error when user starts with the pulsar functions local runner <a href="https://github.com/apache/pulsar/pull/16565" target="_blank" rel="noopener noreferrer">16565</a></li><li>[fix][function]<!-- --> Fix python instance not process zip file correctly <a href="https://github.com/apache/pulsar/pull/16697" target="_blank" rel="noopener noreferrer">16697</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="io">IO<a href="#io" class="hash-link" aria-label="Direct link to IO" title="Direct link to IO"></a></h4><ul><li>[fix][io]<!-- --> throw exceptions when Kafka offset backing store failed to start <a href="https://github.com/apache/pulsar/pull/14491" target="_blank" rel="noopener noreferrer">14491</a></li><li>[fix][io]<!-- --> Handle Kafka sinks that return immutable maps as configs <a href="https://github.com/apache/pulsar/pull/14780" target="_blank" rel="noopener noreferrer">14780</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="sql">SQL<a href="#sql" class="hash-link" aria-label="Direct link to SQL" title="Direct link to SQL"></a></h4><ul><li>[fix][sql]<!-- --> Fix PulsarRecordCursor deserialize issue. <a href="https://github.com/apache/pulsar/pull/14615" target="_blank" rel="noopener noreferrer">14615</a></li><li>[fix][sql]<!-- --> Fix <code>messageQueue</code> release message issue. <a href="https://github.com/apache/pulsar/pull/16155" target="_blank" rel="noopener noreferrer">16155</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="offloader">Offloader<a href="#offloader" class="hash-link" aria-label="Direct link to Offloader" title="Direct link to Offloader"></a></h4><ul><li>[fix][offloader]<!-- --> Fix incorrect entryId in warn log when reading entry from tiered storage <a href="https://github.com/apache/pulsar/pull/14685" target="_blank" rel="noopener noreferrer">14685</a></li><li>[improve]<!-- --> TieredStorage: add debug information <a href="https://github.com/apache/pulsar/pull/14907" target="_blank" rel="noopener noreferrer">14907</a></li><li>[feat][offloader]<!-- --> Add pure S3 provider for the offloader <a href="https://github.com/apache/pulsar/pull/15710" target="_blank" rel="noopener noreferrer">15710</a></li><li>[fix][offloader]<!-- --> Fix setManagedLedgerOffloadedReadPriority not work. <a href="https://github.com/apache/pulsar/pull/16436" target="_blank" rel="noopener noreferrer">16436</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="proxy">Proxy<a href="#proxy" class="hash-link" aria-label="Direct link to Proxy" title="Direct link to Proxy"></a></h4><ul><li>[improve][proxy]<!-- --> Log warning when opening connection to broker fails <a href="https://github.com/apache/pulsar/pull/14710" target="_blank" rel="noopener noreferrer">14710</a></li><li>[refactor][proxy]<!-- --> Refactor Proxy code and fix connection stalling by switching to auto read mode <a href="https://github.com/apache/pulsar/pull/14713" target="_blank" rel="noopener noreferrer">14713</a></li><li>[improve][proxy]<!-- --> Configure Netty DNS resolver to match JDK DNS caching setting, share DNS resolver instance in Proxy <a href="https://github.com/apache/pulsar/pull/15219" target="_blank" rel="noopener noreferrer">15219</a></li><li>[fix][proxy]<!-- --> Fix proxy connection leak when inbound connection closes while connecting is in progress <a href="https://github.com/apache/pulsar/pull/15366" target="_blank" rel="noopener noreferrer">15366</a></li><li>[fix][proxy]<!-- --> Fix DNS server denial-of-service issue when DNS entry expires <a href="https://github.com/apache/pulsar/pull/15403" target="_blank" rel="noopener noreferrer">15403</a></li><li>[improve][proxy]<!-- --> Remove unnecessary blocking DNS lookup in LookupProxyHandler <a href="https://github.com/apache/pulsar/pull/15415" target="_blank" rel="noopener noreferrer">15415</a></li><li>[fix][proxy]<!-- --> Do not preserve host when forwarding admin requests. <a href="https://github.com/apache/pulsar/pull/16342" target="_blank" rel="noopener noreferrer">16342</a></li><li>[fix][proxy]<!-- --> Fix client service URL <a href="https://github.com/apache/pulsar/pull/16834" target="_blank" rel="noopener noreferrer">16834</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="monitor">Monitor<a href="#monitor" class="hash-link" aria-label="Direct link to Monitor" title="Direct link to Monitor"></a></h4><ul><li>[improve][monitor]<!-- -->: add metrics for pulsar web service thread pool <a href="https://github.com/apache/pulsar/pull/14742" target="_blank" rel="noopener noreferrer">14742</a></li><li>[improve][monitor]<!-- --> add message ack rate metric for consumer <a href="https://github.com/apache/pulsar/pull/15674" target="_blank" rel="noopener noreferrer">15674</a></li><li>[fix][monitor]<!-- --> Fix bug: fail to expose managed ledger client stats to prometheus if bookkeeperClientExposeStatsToPrometheus is true <a href="https://github.com/apache/pulsar/pull/16343" target="_blank" rel="noopener noreferrer">16343</a></li><li>[improve][monitor]<!-- --> Expose topic level storage write and read rate metrics <a href="https://github.com/apache/pulsar/pull/16855" target="_blank" rel="noopener noreferrer">16855</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="cli">CLI<a href="#cli" class="hash-link" aria-label="Direct link to CLI" title="Direct link to CLI"></a></h4><ul><li>[fix][cli]<!-- --> Remove the trust certs check <a href="https://github.com/apache/pulsar/pull/14764" target="_blank" rel="noopener noreferrer">14764</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="test--other">Test & Other<a href="#test--other" class="hash-link" aria-label="Direct link to Test & Other" title="Direct link to Test & Other"></a></h4><ul><li>[improve][test]<!-- --> Use Awaitility to replace Thread.sleep for pulsar-zookeeper-utils module. <a href="https://github.com/apache/pulsar/pull/11017" target="_blank" rel="noopener noreferrer">11017</a></li><li>[fix][test]<!-- --> Fix flaky test in PersistentStreamingDispatcherBlockConsumerTest <a href="https://github.com/apache/pulsar/pull/12943" target="_blank" rel="noopener noreferrer">12943</a></li><li>[fix][build]<!-- --> Fix NoClassDefFoundError: com/google/inject/AbstractModule in pulsar-io/batch-data-generator and Jcloud offloader <a href="https://github.com/apache/pulsar/pull/14150" target="_blank" rel="noopener noreferrer">14150</a></li><li>[fix][test]<!-- --> Fix flaky AdminApiSchemaTest#testSchemaInfoApi <a href="https://github.com/apache/pulsar/pull/14508" target="_blank" rel="noopener noreferrer">14508</a></li><li>[fix][test]<!-- --> Fix NamespacesTest execution order <a href="https://github.com/apache/pulsar/pull/14552" target="_blank" rel="noopener noreferrer">14552</a></li><li>[fix][test]<!-- --> Fix AdminApiTest.testNamespaceSplitBundleConcurrent <a href="https://github.com/apache/pulsar/pull/14565" target="_blank" rel="noopener noreferrer">14565</a></li><li>[fix][test]<!-- --> Fix flaky test MemoryLimitTest#testRejectMessages (#14220) <a href="https://github.com/apache/pulsar/pull/14628" target="_blank" rel="noopener noreferrer">14628</a></li><li>[fix][ci]<!-- --> Upgrade zlib version to 1.2.12 <a href="https://github.com/apache/pulsar/pull/14964" target="_blank" rel="noopener noreferrer">14964</a></li><li>[improve][build]<!-- --> Ignore case when obfuscating passwords in configuration scripts <a href="https://github.com/apache/pulsar/pull/15077" target="_blank" rel="noopener noreferrer">15077</a></li><li>[fix][build]<!-- --> Fix LICENSE files for branch-2.8 <a href="https://github.com/apache/pulsar/pull/15261" target="_blank" rel="noopener noreferrer">15261</a></li><li>[Improve][doc]<!-- --> Add config of IO and acceptor threads in proxy <a href="https://github.com/apache/pulsar/pull/15340" target="_blank" rel="noopener noreferrer">15340</a></li><li>[improve][build]<!-- --> Configure DLog Bookie, Pulsar, and Admin clients via pass-through config <a href="https://github.com/apache/pulsar/pull/15818" target="_blank" rel="noopener noreferrer">15818</a></li><li>[improve][build]<!-- --> Allow pulsar_tool_env.sh PULSAR_MEM to be Overridden <a href="https://github.com/apache/pulsar/pull/15868" target="_blank" rel="noopener noreferrer">15868</a></li><li>[fix][test]<!-- --> TieredStorageConfigurationTests - clear system properties <a href="https://github.com/apache/pulsar/pull/15957" target="_blank" rel="noopener noreferrer">15957</a></li><li>[fix][doc]<!-- --> Update/fix Swagger Annotation for param: authoritative <a href="https://github.com/apache/pulsar/pull/16222" target="_blank" rel="noopener noreferrer">16222</a></li><li>[improve][test]<!-- --> Verify the authentication data in the authorization provider <a href="https://github.com/apache/pulsar/pull/16900" target="_blank" rel="noopener noreferrer">16900</a></li></ul><h4 class="anchor anchorWithStickyNavbar_LWe7" id="dependency-updates">Dependency Updates<a href="#dependency-updates" class="hash-link" aria-label="Direct link to Dependency Updates" title="Direct link to Dependency Updates"></a></h4><ul><li>[improve][build]<!-- --> Upgrade snakeyaml version to 1.30 <a href="https://github.com/apache/pulsar/pull/13722" target="_blank" rel="noopener noreferrer">13722</a></li><li>[fix][build]<!-- --> Remove --illegal-access errors resulting from Google Guice (upgrade to 5.0.1 and JClouds to 2.4.0) <a href="https://github.com/apache/pulsar/pull/13810" target="_blank" rel="noopener noreferrer">13810</a></li><li>[fix][build]<!-- --> Remove --illegal-access errors resulting from Google Guice - Pulsar IO, Offloaders and Pulsar SQL - Bump Guice to 5.1.0 <a href="https://github.com/apache/pulsar/pull/14300" target="_blank" rel="noopener noreferrer">14300</a></li><li>[fix][build]<!-- --> Upgrade jackson and jackson-databind (2.13.2.1) to get rid of CVE-2020-36518 <a href="https://github.com/apache/pulsar/pull/14871" target="_blank" rel="noopener noreferrer">14871</a></li><li>[improve][build]<!-- --> Remove log4j for CVE-2022-23307 <a href="https://github.com/apache/pulsar/pull/15109" target="_blank" rel="noopener noreferrer">15109</a></li><li>[improve][build]<!-- --> Upgrade Netty to 4.1.76.Final, Netty Tcnative, grpc and protobuf <a href="https://github.com/apache/pulsar/pull/15212" target="_blank" rel="noopener noreferrer">15212</a></li><li>[improve][build]<!-- --> Use grpc-bom to align grpc library versions <a href="https://github.com/apache/pulsar/pull/15234" target="_blank" rel="noopener noreferrer">15234</a></li><li>[improve][build]<!-- --> Upgrade BookKeeper to 4.14.5 <a href="https://github.com/apache/pulsar/pull/15581" target="_blank" rel="noopener noreferrer">15581</a></li><li>[improve][build]<!-- --> Upgrade Netty to 4.1.77.Final and netty-tcnative to 2.0.52.Final <a href="https://github.com/apache/pulsar/pull/15646" target="_blank" rel="noopener noreferrer">15646</a></li><li>[improve][build]<!-- --> Upgrade JClouds to 2.5.0 <!-- -->[15649]<!-- -->(<a href="https://github.com/apache/pulsar/pull/15649" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar/pull/15649</a></li><li>[fix][build]<!-- --> Tiered storage: Upgrade Hadoop to 3.3.3 to get rid of CVE-2022-26612 <a href="https://github.com/apache/pulsar/pull/15660" target="_blank" rel="noopener noreferrer">15660</a></li><li>[fix][build]<!-- --> Upgrade to Jetty to 9.4.48.v20220622 to get rid of CVE-2022-2047 <a href="https://github.com/apache/pulsar/pull/16520" target="_blank" rel="noopener noreferrer">16520</a></li><li>[improve][broker]<!-- --> Upgrade log4j2 version to 2.18.0 (#16884) <a href="https://github.com/apache/pulsar/pull/16914" target="_blank" rel="noopener noreferrer">16914</a></li></ul></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/pulsar-site/edit/main/release-notes/versioned/pulsar-2.8.4.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" 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