v0.12.1

What's Changed

• [fix] Fix Infinite Loop in Reader's HasNext Function by @RobertIndie in #1182
• [fix] Fix available permits in MessageReceived by @panszobe in #1181
• [feat] Support partitioned topic reader by @RobertIndie in #1178
• [fix] Fix BytesSchema by @petermnhull in #1173
• [fix] Respect context cancellation in Flush by @jayshrivastava in #1165
• [fix] Fix SIGSEGV with zstd compression enabled by @RobertIndie in #1164

v0.12.0

What's Changed

• Improved the performance of schema and schema cache by @gunli in #1033
• Fixed return when registerSendOrAckOp() failed by @gunli in #1045
• Fixed the incorrect link in the release process by @RobertIndie in #1050
• Fixed Producer by checking if message is nil by @gunli in #1047
• Added 0.11.0 change log by @RobertIndie in #1048
• Fixed 0.11.0 change log by @RobertIndie in #1054
• Fixed issue 877 where ctx in partitionProducer.Send() was not performing as expected by @Gleiphir2769 in #1053
• Fixed Producer by stopping block request even if Value and Payload are both set by @gunli in #1052
• Improved Producer by simplifying the flush logic by @gunli in #1049
• Fixed issue 1051: inaccurate producer memory limit in chunking and schema by @Gleiphir2769 in #1055
• Fixed issue by sending Close Command on Producer/Consumer create timeout by @michaeljmarshall in #1061
• Fixed issue 1057: producer flush operation is not guaranteed to flush all messages by @Gleiphir2769 in #1058
• Fixed issue 1064: panic when trying to flush in DisableBatching=true by @Gleiphir2769 in #1065
• Fixed transaction acknowledgement and send logic for chunk message by @liangyepianzhou in #1069
• Fixed issue by closing consumer resources if creation fails by @michaeljmarshall in #1070
• Fixed issue where client reconnected every authenticationRefreshCheckSeconds when using TLS authentication by @jffp113 in #1062
• Corrected the SendAsync() description by @Gleiphir2769 in #1066
• CI: replaced license header checker and formatter by @tisonkun in #1077
• Chore: allowed rebase and merge by @tisonkun in #1080
• Adopted pulsar-admin-go sources by @tisonkun in #1079
• Reverted: allowed rebase and merge by @tisonkun in #1081
• Fixed producer by failing all messages that are pending requests when closing like Java by @graysonzeng in #1059
• Supported load config from env by @tuteng in #1089
• Fixed issue where multiple calls to client.Close causes panic by @crossoverJie in #1046
• Improved client by implementing GetLastMSgID for Reader by @liangyepianzhou in #1087
• Fixed comment for ConnectionMaxIdleTime by @massakam in #1091
• Issue 1094: connectionTimeout respects net.Dialer default timeout by @zzzming in #1095
• Supported OAuth2 with scope field by @labuladong in #1097
• Fixed issue where DisableReplication flag does not work by @massakam in #1100
• Double-checked before consumer reconnect by @zccold in #1084
• Fixed schema error by @leizhiyuan in #823
• PR-1071-1: renamed pendingItem.Complete() to pendingItem.done() by @gunli in #1109
• PR-1071-2: added sendRequest.done() to release resource together by @gunli in #1110
• Refactor: factored out validateMsg by @tisonkun in #1117
• Refactor: factored out prepareTransaction by @tisonkun in #1118
• Completed comment on ProducerInterceptor interface BeforeSend method by @ojcm in #1119
• Refactor: prepared sendrequest and moved to internalSendAsync by @tisonkun in #1120
• Fix: normalized all send request resource release into sr.done by @tisonkun in #1121
• Improvement: added func blockIfQueueFull() to encapsulate DisableBlockIfQue… by @gunli in #1122
• Improved debug log clarity in ReceivedSendReceipt() by @gunli in #1123
• Fixed issue 1098 by checking batchBuilder in case batch is disabled by @zzzming in #1099
• Fixed Producer by fixing reconnection backoff logic by @gunli in #1125
• Added 0.11.1 change log by @RobertIndie in #1092
• Fixed dead link to the KEYS file in the release process by @RobertIndie in #1127
• Improved performance by pooling sendRequest by @gunli in #1126
• Fixed argument order to Errorf in TableView message handling by @ojcm in #1130
• Fixed Producer by double-checking before reconnect by @gunli in #1131
• Fixed issue where client must not retry connecting to broker when topic is terminated by @pkumar-singh in #1128
• Issue 1132: Fixed JSONSchema unmarshalling in TableView by @ojcm in #1133
• Improved by setting dlq producerName by @crossoverJie in #1137
• Fixed channel deadlock in regexp consumer by @goncalo-rodrigues in #1141
• Fixed Producer: handled TopicNotFound/TopicTerminated/ProducerBlockedQuotaExceededException/ProducerFenced when reconnecting by @gunli in #1134
• Transaction: Avoided a panic when using transaction by @Gilthoniel in #1144
• Improved by updating connection.lastDataReceivedTime when connection is ready by @gunli in #1145
• Improved Producer by normalizing and exporting the errors by @gunli in #1143
• Updated Unsubscribe() interface comment by @geniusjoe in #1146
• Issue 1105: Fixed AutoTopicCreation for type non-partitioned by @tomjo in #1107
• Added test for admin topic creation by @RobertIndie in #1152
• Implemented GetTopicAutoCreation by @jiangpengcheng in #1151
• Bumped github.com/dvsekhvalnov/jose2go from 1.5.0 to 1.6.0 by @dependabot in #1150
• Bump golang.org/x/net from 0.0.0-20220225172249-27dd8689420f to 0.17.0 by @BewareMyPower in #1155
• Fix DLQ producer name conflicts when multiples consumers send messages to DLQ by @crossoverJie in #1156

New Contributors

• @jffp113 made their first contribution in #1062
• @tuteng made their first contribution in #1089
• @zccold made their first contribution in #1084
• @ojcm made their first contribution in #1119
• @pkumar-singh made their first contribution in #1128
• @goncalo-rodrigues made their first contribution in #1141
• @Gilthoniel made their first contribution in #1144
• @geniusjoe made their first contribution in #1146
• @tomjo made their first contribution in #1107
• @jiangpengcheng made their first contribution in #1151
• @dependabot made their first contribution in #1150

v0.11.1

Improve

• Close consumer resources if the creation fails by @michaeljmarshall in #1070
• Fix the transaction acknowledgement and send logic for chunked message by @liangyepianzhou in #1069
• Correct the SendAsync() description by @Gleiphir2769 in #1066
• Fix the panic when try to flush in DisableBatching=true by @Gleiphir2769 in #1065
• Fix client reconnected every authenticationRefreshCheckSeconds when using tls authentication by @jffp113 in #1062
• Send Close Command on Producer/Consumer create timeout by @michaeljmarshall in #1061
• Fail all messages that are pending requests when closing by @graysonzeng in #1059
• Fix the producer flush opertion is not guarantee to flush all messages by @Gleiphir2769 in #1058
• Fix inaccurate producer mem limit in chunking and schema by @Gleiphir2769 in #1055
• Fix ctx in partitionProducer.Send() is not performing as expected by @Gleiphir2769 in #1053
• Stop block request even if Value and Payload are both set by @gunli in #1052
• Simplify the flush logic by @gunli in #1049
• Check if message is nil by @gunli in #1047
• Return when registerSendOrAckOp() failed by @gunli in #1045

Full Changelog: v0.11.0...v0.11.1-candidate-1

v0.11.0

Features

• Support the schema type ProtoNativeSchema by @gaoran10 in #1006
• Implement transactional consumer/producer API by @liangyepianzhou in #1002
• Support NonDurable subscriptions by @dinghram in #992
• Allow user to specify TLS ciphers an min/max TLS version by @dinghram in #1041
• Add single partition router by @crossoverJie in #999

Improve

• Fix missing link in the release process by @RobertIndie in #1000
• Stablize golangci-lint task in CI by @tisonkun in #1007
• Fix reconnection backoff logic by @wolfstudy in #1008
• Change token name to GITHUB_TOKEN in CI by @labuladong in #910
• Add links to client docs and feature matrix in README.md by @momo-jun in #1014
• Fix flaky test TestMaxPendingChunkMessages by @Gleiphir2769 in #1003
• Fix flaky test in negative_acks_tracker_test.go by @RobertIndie in #1017
• Fix event time not being set when batching is disabled by @RobertIndie in #1015
• Use maphash instead of crypto/sha256 for hash function of hashmap in Schema.hash() by @bpereto in #1022
• Improve logs on failTimeoutMessages by @tisonkun in #1025
• Delete LICENSE-go-rate.txt by @tisonkun in #1028
• Fix broken master by upgrading JRE to 17 by @BewareMyPower in #1030
• Split sendRequest and make reconnectToBroker and other operation in the same coroutine by @zengguan in #1029
• Install openjdk-17 in Dockerfile by @crossoverJie in #1037
• Fix ordering key not being set and parsed when batching is disabled by @RobertIndie in #1034
• Check if callback is nil before calling it by @gunli in #1036
• Refactor duplicated code lines and fix typo errors by @gunli in #1039

New Contributors

• @gaoran10 made their first contribution in #1006
• @momo-jun made their first contribution in #1014
• @bpereto made their first contribution in #1022
• @zengguan made their first contribution in #1029
• @gunli made their first contribution in #1036

Full Changelog: v0.10.0...v0.11.0

v0.10.0

Feature

• Support chunking for big messages by @Gleiphir2769 in #805
• Add BackoffPolicy to reader and improve test case by @labuladong in #889
• Support cumulative acknowledgment by @Gleiphir2769 in #903
• Support consumer event listener by @labuladong in #904
• Allow CustomProperties when sending messages for retry by @ngoyal16 in #916
• Support batch index ACK by @BewareMyPower in #938
• Support Exclusive Producer access mode by @shibd in #944
• Add transactionCoordinatorClient by @liangyepianzhou in #953
• Support memory limit for the producer by @shibd in #955
• Support grouping ACK requests by time and size by @BewareMyPower in #957
• Support WaitForExclusive producer access mode by @shibd in #958
• Support Copper Argos in the Athenz auth provider by @massakam in #960
• Support auto-release idle connections by @RobertIndie in #963
• Support batch index ACK and set max number of messages in batch for the perf tool by @BewareMyPower in #967
• Support auto-scaled consumer receiver queue by @Gleiphir2769 in #976
• Implement transactionImpl by @liangyepianzhou in #984
• Expose the chunk config of the consumer to the reader by @CrazyCollin in #987
• Support consumer client memory limit by @Gleiphir2769 in #991

Improve

• Nack the message in dlqrouter when sending errors by @leizhiyuan in #592
• Fix TLS certificates that do not include IP SANS, save hostname before switching to a physical address by @dinghram in #812
• Fix the availablePermits leak that could cause the consumer stuck by @Gleiphir2769 in #835
• Read module version info from golang runtime by @pgier in #856
• Fix typo in consumer.go by @sekfung in #857
• Fix marshalling time.Time{} to uint64 by @aymkhalil in #865
• Use the DATA constant as the prefix in OAuth2 KeyFileProvider by @Niennienzz in #866
• Fix bot cannot get the pr link by @RobertIndie in #868
• Fix PR template by @RobertIndie in #869
• Add go test flag '-v' for more clearly CI log by @Gleiphir2769 in #871
• Fix the dispatcher() stuck caused by availablePermitsCh by @Gleiphir2769 in #875
• Fix the Send() stuck caused by callback() not being called by @Gleiphir2769 in #880
• Fix the data race of ackReq.err by @Gleiphir2769 in #881
• Add data URL format to read the key file by @nodece in #883
• Prevent consumer panic on de-serializing message if schema not found by @GPrabhudas in #886
• Fix the conditions of loading TLS certificates by @nodece in #888
• Fix default retry and dlq topic name as per the doc by @ngoyal16 in #891
• Add NewMessageID() method by @crossoverJie in #893
• Use protocolbuffers instead of gogo by @nodece in #895
• Fix the compression broken when batching is disabled by @Gleiphir2769 in #902
• Add messageId and topic as props of DLQ message by @GPrabhudas in #907
• Update go version to 1.18 by @pgier in #911
• Move out the auth package from internal by @nodece in #914
• Remove the clearMessageQueuesCh in partitionConsumer.dispatcher() by @Gleiphir2769 in #921
• Remove the outdated interface description of SeekByTime by @Gleiphir2769 in #924
• Handle nil value message correctly in table-view by @Demogorgon314 in #930
• Migrate from the deprecated io/ioutil package by @reugn in #942
• Update the Cobra library to significantly reduce the dependency tree by @reugn in #943
• Remove go1.11 code leftovers by @reugn in #946
• Use pkg.go.dev badge in the readme by @reugn in #947
• Improve test script by @nodece in #951
• Optimize the performance by passing MessageID implementations by pointers by @BewareMyPower in #968
• Fix flaky Key_Shared subscription-related tests by @BewareMyPower in #970
• Refactor the toTrackingMessageID() by @Gleiphir2769 in #972
• Prevent RPC client panic on RPC response if ProducerReady is nil by @sekfung in #973
• Fix nack backoff policy logic by @wolfstudy in #974
• Fix license information for go-rate by @tisonkun in #975
• Fix the data race in checkAndCleanIdleConnections by @RobertIndie in #981
• Setup rate limiter for TestChunksEnqueueFailed to reduce flaky by @RobertIndie in #982
• Fix the message is blocked on the AckGroupingTracker.isDuplicate method by @shibd in #986
• Optimize batch index ACK performance by @BewareMyPower in #988
• Add more precise producer rate limiter by @Gleiphir2769 in #989
• Fix batched messages not ACKed correctly when batch index ACK is disabled by @BewareMyPower in #994
• Fix panic caused by retryAssert() by @Gleiphir2769 in #996

New Contributors

• @sekfung made their first contribution in #857
• @Gleiphir2769 made their first contribution in #835
• @michaeljmarshall made their first contribution in #861
• @aymkhalil made their first contribution in #865
• @RobertIndie made their first contribution in #868
• @dinghram made their first contribution in #812
• @labuladong made their first contribution in #889
• @Niennienzz made their first contribution in #866
• @crossoverJie made their first contribution in #893
• @ngoyal16 made their first contribution in #891
• @Demogorgon314 made their first contribution in #930
• @shibd made their first contribution in #944
• @liangyepianzhou made their first contribution in #953
• @tisonkun made their first contribution in #975
• @CrazyCollin made their first contribution in #987

v0.9.0

What's Changed

• add 0.8.0 changelog for repo by @wolfstudy in #727
• [Issue 729]stop ticker when create producer failed by @NaraLuwan in #730
• Update version file to 0.8.0 by @wolfstudy in #728
• [Issue 725][Dependencies] Upgrade beefsack/go-rate by @shubham1172 in #735
• Upgrade klauspost/compress to v1.14.4 by @dferstay in #740
• Upgrade prometheus client to 1.11.1 by @nicoloboschi in #738
• add 0.8.1 changelog by @freeznet in #742
• Temporarily point ci to pulsar 2.8.2 by @shoothzj in #747
• [build] make go version consistent by @shoothzj in #751
• Exposing broker metadata by @shoothzj in #745
• Add schema support to Reader by @ZiyaoWei in #741
• allow config reader subscription name by @shoothzj in #754
• Cleanup topics after unit tests by @ZiyaoWei in #755
• Add TableView support by @ZiyaoWei in #743
• Fix ack timeout cause reconnect by @wolfstudy in #756
• fix: add service not ready check by @nodece in #757
• Dlq producer on topic with schema by @GPrabhudas in #723
• fix annotation typo in consumer.go by @shoothzj in #758
• Fix producer unable register when cnx closed by @wolfstudy in #761
• Add -c/--max-connections parameter to pulsar-perf-go and set it to 1 by default by @lhotari in #765
• [Issue 763][producer] Fix deadlock in Producer Send when message fails to encode. by @samuelhewitt in #762
• [Issue 749]Fix panic caused by flushing current batch with an incorrect internal function. by @shileiyu in #750
• Add consumer state check when request commands by @wolfstudy in #772
• Fix sequenceID is not equal to cause the connection to be closed incorrectly by @wolfstudy in #774
• Add error response for Ack func by @wolfstudy in #775
• Revert "Fix stuck when reconnect broker (#703)" by @lhotari in #767
• [Issue 718] Fix nil pointer dereference in TopicNameWithoutPartitionPart by @hantmac in #734
• Support ack response for Go SDK by @wolfstudy in #776
• [Issue 779]Fix ack request not set requestId when enable AckWithResponse option by @liushengzhong0927 in #780
• [issue 791] allow to add at least one message on batch builder by @zzzming in #792
• schema creation and validation functions without panicing by @zzzming in #794
• [github ci] add go 1.18 to the test matrix by @pgier in #790
• Fix using closed connection in consumer by @hrsakai in #785
• feat: add basic authentication by @nodece in #778
• [Issue 781][add consumer seek by time on partitioned topic] by @GPrabhudas in #782
• [ci] update and simplify GitHub workflow by @pgier in #796
• feat: support multiple schema version for producer and consumer by @oryx2 in #611
• [issue #752] replace go-rate rate limiter with a buffered channel implementation by @zzzming in #799
• [issue 814] consumer and producer reconnect failure metrics counter by @zzzming in #815
• [cleanup] Fix to follow lint error (File is not goimports-ed (goimports)) by @equanz in #824
• [oauth2] Remove oauth2 go.mod and go.sum by @pgier in #802
• [client] Rename test_helper.go to follow the test code naming convention by @equanz in #822
• [security] Bump github.com/stretchr/testify to update gopkg.in/yaml.v3 by @massakam in #813
• [client] Add MetricsRegisterer to ClientOptions by @pragkent in #826
• NackBackoffPolicy.Next return time.Duration by @h-hy in #825
• Add golang 1.19 in test matrix by @shoothzj in #832
• ci: add makefile by @pgier in #800
• Make keepalive interval configurable by @nodece in #838
• [issue #807] dlq topic producer options by @zzzming in #809
• [log-format] remove redundant "[]" pair in the head and tail of log content by @shenqianjin in #831
• Update proto file latest by @liangyuanpeng in #841
• [bugfix] Fix wrong check eventime by default by @liangyuanpeng in #843
• Fixs : NackBackoffPolicy.Next return time.Duration by @h-hy in #834
• Introduce doneCh for ack error by @wolfstudy in #777
• Parameterize the reconnection option by @wolfstudy in #853
• add 0.9.0 release changelog by @freeznet in #804
• Embed Go SDK version to 0.9.0 by @wolfstudy in #854

New Contributors

• @NaraLuwan made their first contribution in #730
• @shubham1172 made their first contribution in #735
• @nicoloboschi made their first contribution in #738
• @ZiyaoWei made their first contribution in #741
• @lhotari made their first contribution in #765
• @samuelhewitt made their first contribution in #762
• @shileiyu made their first contribution in #750
• @hantmac made their first contribution in #734
• @liushengzhong0927 made their first contribution in #780
• @oryx2 made their first contribution in #611
• @massakam made their first contribution in #813
• @pragkent made their first contribution in #826
• @h-hy made their first contribution in #825
• @shenqianjin made their first contribution in #831

Full Changelog: v0.8.0...v0.9.0

v0.8.1

What's Changed

• Upgrade beefsack/go-rate by @shubham1172 in #735
• Upgrade prometheus client to 1.11.1 by @nicoloboschi in #738

New Contributors

• @shubham1172 made their first contribution in #735
• @nicoloboschi made their first contribution in #738

Full Changelog: v0.8.0...v0.8.1

v0.8.0

What's Changed

• Update release docs with missing information by @cckellogg in #656
• Update change log for 0.7.0 release by @cckellogg in #655
• Update version to 0.7.0 by @cckellogg in #654
• fix issue 650,different handle sequence value by @baomingyu in #651
• Support nack backoff policy for SDK by @wolfstudy in #660
• Remove unused dependency in oauth2 module by @reugn in #661
• [Issue 662] Fix race in connection.go waitUntilReady() by @bschofield in #663
• Update dependencies by @reugn in #665
• [Issue 652] Quick fixes to the documentation for the main building blocks of the library by @reugn in #667
• Add subscription properties for ConsumerOptions by @wolfstudy in #671
• Add new bug-resistant build constraints by @reugn in #670
• Handle the parameters parsing error in NewProvider by @reugn in #673
• Update email template of release docs by @izumo27 in #674
• Add properties filed for batch container by @wolfstudy in #683
• [Issue 513] Correct apparent logic error in batchContainer's hasSpace() method by @bschofield in #678
• Upgrade DataDog/zstd to v1.5.0 by @dferstay in #690
• fix:add order key to message by @leizhiyuan in #688
• Set default go version to 1.13 in CI related files by @reugn in #692
• [Partition Consumer] Provide lock-free access to compression providers by @dferstay in #689
• Use a separate gorutine to handle the logic of reconnect by @wolfstudy in #691
• [DefaultRouter] add a parallel bench test by @dferstay in #693
• Revert "Use a separate gorutine to handle the logic of reconnect" by @wolfstudy in #700
• Fix data race while accessing connection in partitionProducer by @wolfstudy in #701
• Fix stuck when reconnect broker by @wolfstudy in #703
• Fix slice bounds out of range for readSingleMessage by @wolfstudy in #709
• Encryption failure test case fix by @GPrabhudas in #708
• [DefaultRouter] fix unnecessary system clock reads due to races accessing router state by @dferstay in #694
• Fix negative WaitGroup counter issue by @wolfstudy in #712
• [issue 675] oauth2 use golang-jwt address CVE-2020-26160 by @zzzming in #713
• readme: add note about how to build and test by @pgier in #714
• Bump oauth2 package version to the latest in master by @iorvd in #715
• Fix closed connection leak by @billowqiu in #716
• [Bugfix] producer runEventsLoop for reconnect early exit by @billowqiu in #721
• [issue 679][oauth2] Fix macos compiler warnings by @pgier in #719
• [optimize] Stop batchFlushTicker when Disable batching by @shoothzj in #720
• Markdown error fix by @shoothzj in #722

New Contributors

• @bschofield made their first contribution in #663
• @izumo27 made their first contribution in #674
• @pgier made their first contribution in #714
• @iorvd made their first contribution in #715
• @billowqiu made their first contribution in #716

Full Changelog: v0.7.0...v0.8.0-candidate-1

v0.7.0

Feature

• Encryption support for producer, see PR-560
• Decrytion support for consumer, see PR-612
• User-defined metric cardinality, see PR-604
• Better support for Azure AD OAuth 2.0, see PR-630, PR-633, PR-634
• Removed testing for go versions 1.11 and 1.12, see PR-632
• Add epoch to create producer to prevent a duplicate producer when broker is not available., see PR-582

Improve

• Fix batch size limit validation, see PR-528
• Fix logic of command for sendError, see PR-622
• Drain connection requests channel without closing, see PR-645
• Fix ConsumersOpened counter not incremented when use multitopic or regexp consumer, see PR-619
• Fix reconnection logic when topic is deleted, see PR-627
• Fix panic when scale down partitions, see PR-601
• Fix missing metrics for topics by registration of existing collector, see PR-600
• Fix producer panic by oldProducers, see PR-598
• Fail pending messages when topic is terminated, see PR-588
• Fix handle send error panic, see PR-576

v0.6.0

Feature

• Make PartitionsAutoDiscoveryInterval configurable, see PR-514.
• Always check connection close channell, before attempting to put requests, see PR-521.
• Add LedgerId,EntryId,BatchIdx,PartitionIdx func for MessageId interface, see PR-529.
• Add DisableReplication to Producer Message, see PR-543.
• Updating comments to conform to golang comment specification, see PR-532.
• Producer respects Context passed to Send() and SendAsync() when applying backpressure, see PR-534.
• Simplify connection close logic, see PR-559.
• Add open tracing to pulsar go client, see PR-518.
• Update proto file, see PR-562.
• Add send error logic for connection, see PR-566.
• Add license file for depend on libs, see PR-567.

Improve

• Update jwt-go dependency to resolve vulnerabilities, see PR-524.
• Fixed Athenz repository name, see PR-522.
• Fix reader latest position, see PR-525.
• Fix timeout guarantee for RequestOnCnx, see PR-492.
• Fix nil pointer error with GetPartitionedTopicMetadata, see PR-536.
• Release locks before calling producer consumer response callbacks, see PR-542.
• Fix lookup service not implemented GetTopicsOfNamespace, see PR-541.
• Regenerate the certs to work with Pulsar 2.8.0 and Java 11, see PR-548.
• Fix race condition when resend pendingItems, see PR-551.
• Fix data race while accessing connection in partitionConsumer, see PR-535.
• Fix channel data race, see PR-558.
• Fix write to closed channel panic() in internal/connection during connection close, see PR-539.
• Fix possible race condition in connection pool, see PR-561.
• Fix default connection timeout, see PR-563.
• Add lock for compressionProviders to fix data race problem, see PR-533.
• Fix send goroutine blocked, see PR-530.