Page History

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	KIP (please keep this sorted by KIP number)	Release
1	KIP-594: Expose output topic names from TopologyTestDriver	2.6.0
2	KIP-588: Allow producers to recover gracefully from transaction timeouts	2.6.0 (WIP)
3	KIP-584: Versioning scheme for features	2.6.0 (WIP)
4	KIP-580: Exponential Backoff for Kafka Clients	2.6.0 (WIP)
5	KIP 577: Allow HTTP Response Headers to be Configured for Kafka Connect	2.6.0 (WIP)
6	KIP-574: CLI Dynamic Configuration with file input	2.6.0
7	KIP-571: Add option to force remove members in StreamsResetter	2.6.0 (WIP)
8	KIP-570: Add leader epoch in StopReplicaRequest	2.6.0
9	KIP-569: DescribeConfigsResponse - Update the schema to include additional metadata information of the field	2.6.0 (WIP)
10	KIP-568: Explicit rebalance triggering on the Consumer	2.6.0
11	KIP-562: Allow fetching a key from a single partition rather than iterating over all the stores on an instance	2.5.0
12	KIP-559: Make the Kafka Protocol Friendlier with L7 Proxies	2.5.0
13	KIP-558: Track the set of actively used topics by connectors in Kafka Connect	2.5.0
14	KIP-557: Add emit on change support for Kafka Streams	2.6.0 (WIP)
15	KIP-555: Deprecate direct Zookeeper access in Kafka administrative tools	2.5.0
16	KIP-553: Disable all SSL protocols except TLSV1.2 by default.	2.5.0
17	KIP-551: Expose disk read and write metrics	2.6.0 (WIP)
18	KIP-546: Add Client Quota APIs to the Admin Client	initial version in 2.6.0, full implementation in a later release
19	KIP-544: Make metrics exposed via JMX configurable	2.5.0
20	KIP-543: Expand ConfigCommand's non-ZK functionality	2.5.0
21	KIP-541: Create a fetch.max.bytes configuration for the broker	2.5.0
22	KIP-538: Add a metric tracking the number of open connections with a given SSL cipher type	2.5.0
23	KIP-537: Increase default zookeeper session timeout	2.5.0
24	KIP-535: Allow state stores to serve stale reads during rebalance	2.5.0
25	KIP-534: Reorganize checkpoint system in log cleaner to per partition	WIP
26	KIP-533: Add default api timeout to AdminClient	2.5.0
27	KIP-532: Broker Consumer Lag metrics in size and time	WIP
28	KIP-531: Drop support for Scala 2.11 in Kafka 2.5	2.5.0 (WIP)
29	KIP-530: Consider renaming 'UsePreviousTimeOnInvalidTimeStamp' class to 'UsePartitionTimeOnInvalidTimeStamp'	2.5.0
30	KIP-528: Deprecate PartitionGrouper configuration and interface	2.4.0
31	KIP-527: Add VoidSerde to Serdes	2.5.0
32	KIP-526: Reduce Producer Metadata Lookups for Large Number of Topics	2.5.0
33	KIP-525 - Return topic metadata and configs in CreateTopics response	2.4.0
34	KIP-524: Allow users to choose config source when describing configs	2.5.0
35	KIP-523: Add KStream#toTable to the Streams DSL	2.5.0
36	KIP-521: Enable redirection of Connect's log4j messages to a file by default	2.4.0
37	KIP-519: Make SSL context/engine configuration extensible	Accepted
38	KIP-518: Allow listing consumer groups per state	2.6.0 (WIP)
39	KIP-517: Add consumer metrics to observe user poll behavior	2.4.0
40	KIP-515: Enable ZK client to use the new TLS supported authentication	2.5.0
41	KIP-514:Add a bounded flush() API to Kafka Producer	2.5.0
42	KIP-511: Collect and Expose Client's Name and Version in the Brokers	2.4.0 (protocol) / 2.5.0 (metric)
43	KIP-507: Securing Internal Connect REST Endpoints	2.4.0
44	KIP-504 - Add new Java Authorizer Interface	2.4.0
45	KIP-503: Add metric for number of topics marked for deletion	2.4.0
46	KIP-501: Avoid out-of-sync or offline partitions when follower fetch requests not processed in time	WIP
47	KIP-500: Replace ZooKeeper with a Self-Managed Metadata Quorum
48	KIP-497: Add inter-broker API to alter ISR	2.6.0 (WIP)
49	KIP-496: Administrative API to delete consumer offsets	2.4.0
50	KIP-495: Dynamically Adjust Log Levels in Connect	2.4.0
51	KIP-492: Add java security providers in Kafka Security config	2.4.0
52	KIP-488: Clean up Sum,Count,Total Metrics	2.4.0
53	KIP-484: Expose metrics for group and transaction metadata loading duration	2.4.0
54	KIP-482: The Kafka Protocol should Support Optional Tagged Fields	2.4.0
55	KIP-481: SerDe Improvements for Connect Decimal type in JSON	2.4.0
56	KIP-480: Sticky Partitioner	2.4.0
57	KIP-479: Add StreamJoined config object to Join	2.4.0
58	KIP-478 - Strongly typed Processor API	WIP
59	KIP-476: Add Java AdminClient Interface	2.4.0
60	KIP-475: New Metrics to Measure Number of Tasks on a Connector	2.4.0
61	KIP-474: To deprecate WindowStore#put(key, value)	2.4.0
62	KIP-471: Expose RocksDB Metrics in Kafka Streams	2.4.0 (partially implemented; completion blocked)
63	KIP-470: TopologyTestDriver test input and output usability improvements	2.4.0
64	KIP-467: Augment ProduceResponse error messaging for specific culprit records	2.4.0 (partially implemented) / 2.5.0
65	KIP-466: Add support for List<T> serialization and deserialization	2.6.0 (WIP)
66	KIP-465: Add Consolidated Connector Endpoint to Connect REST API	2.3.0
67	KIP-464: Defaults for AdminClient#createTopic	2.4.0
68	KIP-462: Use local thread id for KStreams	2.3.0
69	KIP-461: Improve Replica Fetcher behavior at handling partition failure	2.3.0
70	KIP-460: Admin Leader Election RPC	2.4.0
71	KIP-458: Connector Client Config Override Policy	2.3.0
72	KIP-455: Create an Administrative API for Replica Reassignment	2.4.0 (API/broker logic) 2.5.0 (tools changes)
73	KIP-454: Expansion of the ConnectClusterState interface	2.3.0
74	KIP-453: Add close() method to RocksDBConfigSetter	2.3.0
75	KIP-449: Add connector contexts to log messages in Connect workers	2.3.0
76	KIP-447: Producer scalability for exactly once semantics	2.5.0 (broker, consumer, producer changes implemented) / 2.6.0
77	KIP-446: Add changelog topic configuration to KTable suppress	2.6.0
78	KIP-445: In-memory Session Store	2.3.0
79	KIP-444: Augment metrics for Kafka Streams	2.4.0 (partially implemented) / 2.5.0 (partially implemented) / 2.6.0 (partially implemented)
80	KIP-443: Return to default segment.ms and segment.index.bytes in Streams repartition topics	2.3.0
81	KIP-442: Return to default max poll interval in Streams	2.3.0
82	KIP-441: Smooth Scaling Out for Kafka Streams	2.6.0 (WIP)
83	KIP-440: Extend Connect Converter to support headers	2.4.0
84	KIP-436: Add a metric indicating start time	2.3.0
85	KIP-434: Add Replica Fetcher and Log Cleaner Count Metrics	2.4.0
86	KIP-430 - Return Authorized Operations in Describe Responses	2.3.0
87	KIP-429: Kafka Consumer Incremental Rebalance Protocol	2.4.0
88	KIP-428: Add in-memory window store	2.3.0
89	KIP-427: Add AtMinIsr topic partition category (new metric & TopicCommand option)	2.3.0
90	KIP-425: Add some Log4J Kafka Appender Properties for Producing to Secured Brokers	2.3.0
91	KIP-421: Support resolving externalized secrets in AbstractConfig	2.3.0
92	KIP-420: Add Single Value Fetch in Session Stores	2.2.0
93	KIP-417: Allow JmxTool to connect to a secured RMI port	2.3.0
94	KIP-415: Incremental Cooperative Rebalancing in Kafka Connect	2.3.0
95	KIP-414: Expose Embedded ClientIds in Kafka Streams	2.2.0
96	KIP-412: Extend Admin API to support dynamic application log levels	2.4.0
97	KIP-411: Make default Kafka Connect worker task client IDs distinct	2.3.0
98	KIP-402: Improve fairness in SocketServer processors	2.2.0 (partially implemented) / 2.3.0
99	KIP-401: TransformerSupplier/ProcessorSupplier StateStore connecting	2.6.0 (WIP)
100	KIP-399: Extend ProductionExceptionHandler to cover serialization exceptions	2.5.0
101	KIP-396: Add Commit/List Offsets Operations to AdminClient	2.5.0
102	KIP-394: Require member.id for initial join group request	2.2.0
103	KIP-393: Time windowed serde to properly deserialize changelog input topic	2.2.0
104	KIP-392: Allow consumers to fetch from closest replica	2.4.0
105	KIP-389: Introduce a configurable consumer group size limit	2.2.0
106	KIP-386: Standardize on Min/Avg/Max metrics' default value	2.2.0
107	KIP-382: MirrorMaker 2.0	2.4.0
108	KIP-379: Multiple Consumer Group Management	2.4.0
109	KIP-380: Detect outdated control requests and bounced brokers using broker generation	2.2.0
110	KIP-377: TopicCommand to use AdminClient	2.2.0
111	KIP-376: Implement AutoClosable on appropriate classes that want to be used in a try-with-resource statement	2.2.0
112	KIP-374: Add '--help' option to all available Kafka CLI commands	2.2.0
113	KIP-372: Naming Repartition Topics for Joins and Grouping	2.1.0
114	KIP-371: Add a configuration to build custom SSL principal name	2.2.0
115	KIP-369: Alternative Partitioner to Support "Always Round-Robin" Selection	2.4.0
116	KIP 368: Allow SASL Connections to Periodically Re-Authenticate	2.2.0
117	KIP-367 Introduce close(Duration) to Producer and AdminClient instead of close(long, TimeUnit)	2.2.0
118	KIP-366: Make FunctionConversions deprecated	2.1.0
119	KIP-365: Materialized, Serialized, Joined, Consumed and Produced with implicit Serde	2.1.0
120	K IP-361: Add Consumer Configuration to Disable Auto Topic Creation	2.3.0
121	KIP-360: Improve reliability of idempotent/transactional producer	2.4.0 (partially implemented) / 2.5.0
122	KIP-359: Verify leader epoch in produce requests	2.6.0 (WIP)
123	KIP-358: Migrate Streams API to Duration instead of long ms times	2.1.0
124	KIP-357: Add support to list ACLs per principal	2.1.0
125	KIP-356: Add withCachingDisabled() to StoreBuilder	2.1.0
126	KIP-354: Add a Maximum Log Compaction Lag	2.3.0
127	KIP-353: Improve Kafka Streams Timestamp Synchronization	2.1.0
128	KIP-352: Distinguish URPs caused by reassignment	2.5.0
129	KIP-351: Add --under-min-isr option to describe topics command	2.3.0
130	KIP-346: Improve LogCleaner behavior on error	2.1.0
131	KIP-345: Introduce static membership protocol to reduce consumer rebalances	2.4.0
132	KIP-342 Add support for custom SASL extensions in OAuthBearer authentication	2.1.0
133	KIP-341: Update Sticky Assignor's User Data Protocol	2.3.0
134	KIP-340: Allow kafka-reassign-partitions.sh and kafka-log-dirs.sh to take admin client property file	2.1.0
135	KIP-339: Create a new IncrementalAlterConfigs API	2.3.0
136	KIP-338 Support to exclude the internal topics in kafka-topics.sh command	2.1.0
137	KIP-336: Consolidate ExtendedSerializer/Serializer and ExtendedDeserializer/Deserializer	2.1.0
138	KIP-332: Update AclCommand to use AdminClient API	2.1.0
139	KIP-331 Add default implementation to close() and configure() for Serializer, Deserializer and Serde	2.3.0
140	KIP-330: Add retentionPeriod in SessionBytesStoreSupplier	2.1.0
141	KIP-328: Ability to suppress updates for KTables	2.1.0 (partially implemented; inactive)
142	KIP-324: Add method to get metrics() in AdminClient	2.1.0
143	KIP-322: Return new error code for DeleteTopics API when topic deletion disabled.	2.1.0
144	KIP-321: Update TopologyDescription to better represent Source and Sink Nodes	2.1.0
145	KIP-320: Allow fetchers to detect and handle log truncation	2.1.0 (partially implemented) / 2.2.0
146	KIP-319: Replace segments with segmentInterval in WindowBytesStoreSupplier	2.1.0
147	KIP-313: Add KStream.flatTransform and KStream.flatTransformValues	2.2.0 (partially implemented) / 2.3.0
148	KIP-312 Add Overloaded StreamsBuilder Build Method to Accept java.util.Properties	2.1.0
149	KIP-309: Add toUpperCase support to sasl.kerberos.principal.to.local rule	2.4.0
150	KIP-308: Support dynamic update of max.connections.per.ip/max.connections.per.ip.overrides	2.1.0
151	KIP-307: Allow to define custom processor names with KStreams DSL	2.3.0 (partially implemented) / 2.4.0
152	KIP-306: Configuration for Delaying Response to Failed Authentication	2.1.0
153	KIP-305: Add Connect primitive number converters	2.0.0
154	KIP-303: Add Dynamic Routing in Streams Sink	2.0.0
155	KIP-302 - Enable Kafka clients to use all DNS resolved IP addresses	2.1.0
156	KIP-300: Add Windowed KTable API in StreamsBuilder	3.0.0 (not implemented; inactive)
157	KIP-298: Error Handling in Connect	2.0.0
158	KIP-297: Externalizing Secrets for Connect Configurations	2.0.0
159	KIP-295 Add Streams Configuration Allowing for Optional Topology Optimization	2.0.0
160	KIP-294 - Enable TLS hostname verification by default	2.0.0
161	KIP-291: Separating controller connections and requests from the data plane	Accepted
162	KIP-292: Add transformValues() method to KTable	2.0.0
163	KIP-290: Support for Prefixed ACLs	2.0.0
164	KIP-289: Improve the default group id behavior in KafkaConsumer	2.2.0
165	KIP-285: Connect Rest Extension Plugin	2.0.0
166	KIP-284: Set default retention ms for Streams repartition topics to Long.MAX_VALUE	2.0.0
167	KIP-283: Efficient Memory Usage for Down-Conversion	2.0.0
168	KIP-282: Add the listener name to the authentication context	2.0.0
169	KIP-281: ConsumerPerformance: Increase Polling Loop Timeout and Make It Reachable by the End User	2.0.0
170	KIP-280: Enhanced log compaction	2.6.0 (WIP)
171	KIP-279: Fix log divergence between leader and follower after fast leader fail over	2.0.0
172	KIP-278 - Add version option to Kafka's commands	2.0.0
173	KIP-277 - Fine Grained ACL for CreateTopics API	2.0.0
174	KIP-276 - Add StreamsConfig prefix for different consumers	2.0.0
175	KIP-274: Kafka Streams Skipped Records Metrics	2.0.0
176	KIP-272: Add API version tag to broker's RequestsPerSec metric	2.0.0
177	KIP-270 - A Scala Wrapper Library for Kafka Streams	2.0.0
178	KIP-268: Simplify Kafka Streams Rebalance Metadata Upgrade	2.0.0
179	KIP-267: Add Processor Unit Test Support to Kafka Streams Test Utils	2.0.0
180	KIP-266: Fix consumer indefinite blocking behavior	2.0.0
181	KIP-265: Make Windowed Serde to public APIs	2.0.0
182	KIP-261: Add Single Value Fetch in Window Stores	2.0.0
183	KIP-258: Allow to Store Record Timestamps in RocksDB	2.3.0 (partially implemented; inactive)
184	KIP-257 - Configurable Quota Management	2.0.0
185	KIP-255: OAuth Authentication via SASL/OAUTHBEARER	2.0.0
186	KIP-251: Allow timestamp manipulation in Processor API	2.0.0
187	KIP-249: Add Delegation Token Operations to KafkaAdminClient	2.0.0
188	KIP-247: Add public test utils for Kafka Streams	1.1.0
189	KIP-245: Use Properties instead of StreamsConfig in KafkaStreams constructor	2.0.0
190	KIP-244: Add Record Header support to Kafka Streams Processor API	2.0.0
191	KIP-243: Make ProducerConfig and ConsumerConfig constructors public	1.1.0
192	KIP-239 Add queryableStoreName() to GlobalKTable	1.1.0
193	KIP-238: Expose Kafka cluster ID in Connect REST API	1.1.0
194	KIP-237: More Controller Health Metrics	2.0.0
195	KIP-235: Add DNS alias support for secured connection	2.1.0
196	KIP-233: Simplify StreamsBuilder#addGlobalStore	1.1.0
197	KIP-231: Improve the Required ACL of ListGroups API	2.1.0
198	KIP-229: DeleteGroups API	1.1.0
199	KIP-227 - Introduce Incremental FetchRequests to Increase Partition Scalability	1.1.0
200	KIP-226 - Dynamic Broker Configuration	1.1.0
201	KIP-225 - Use tags for consumer “records.lag” metrics	1.1.0
202	KIP-224: Add configuration parameter `retries` to Streams API	1.1.0
203	KIP-223 - Add per-topic min lead and per-partition lead metrics to KafkaConsumer	2.0.0
204	KIP-222 - Add Consumer Group operations to Admin API	2.0.0
205	KIP-221: Enhance DSL with Connecting Topic Creation and Repartition Hint	2.6.0
206	KIP-220: Add AdminClient into Kafka Streams' ClientSupplier	1.1.0
207	KIP-219 - Improve quota communication	2.0.0
208	KIP-218: Make KafkaFuture.Function java 8 lambda compatible	1.1.0
209	KIP-216: IQ should throw different exceptions for different errors	2.5.0
210	KIP-215: Add topic regex support for Connect sinks	1.1.0
211	KIP-214: Add zookeeper.max.in.flight.requests config to the broker	1.1.0
212	KIP-213 Support non-key joining in KTable	2.4.0
213	KIP-212: Enforce set of legal characters for connector names	1.1.0
214	KIP-211: Revise Expiration Semantics of Consumer Group Offsets	2.1.0
215	KIP-210 - Provide for custom error handling when Kafka Streams fails to produce	1.1.0
216	KIP-208: Add SSL support to Kafka Connect REST interface	1.1.0
217	KIP-207: Offsets returned by ListOffsetsResponse should be monotonically increasing even during a partition leader change	2.2.0
218	KIP-206: Add support for UUID serialization and deserialization	2.1.0
219	KIP-205: Add all() and range() API to ReadOnlyWindowStore	1.1.0
220	KIP-204 : Adding records deletion operation to the new Admin Client API	1.1.0
221	KIP-203: Add toLowerCase support to sasl.kerberos.principal.to.local rule	1.1.0
222	KIP-202: Move merge() from StreamsBuilder to KStream	1.0.0
223	KIP-198: Remove ZK dependency from Streams Reset Tool	1.0.0
224	KIP-197 Connect REST API should include the connector type when describing a connector	1.0.0
225	KIP-196: Add metrics to Kafka Connect framework	1.0.0
226	KIP-195: AdminClient.createPartitions	1.0.0
227	KIP-192 : Provide cleaner semantics when idempotence is enabled	1.0.0
228	KIP-191: KafkaConsumer.subscribe() overload that takes just Pattern	1.0.0
229	KIP-190: Handle client-ids consistently between clients and brokers	1.0.0
230	KIP-189: Improve principal builder interface and add support for SASL	1.0.0
231	KIP-188 - Add new metrics to support health checks	1.0.0
232	KIP-187 - Add cumulative count metric for all Kafka rate metrics	1.0.0
233	KIP-186: Increase offsets retention default to 7 days	2.0.0
234	KIP-183 - Change PreferredReplicaLeaderElectionCommand to use AdminClient	2.2.0
235	KIP-182: Reduce Streams DSL overloads and allow easier use of custom storage engines	1.0.0
236	KIP-180: Add a broker metric specifying the number of consumer group rebalances in progress	1.1.0
237	KIP-177: Consumer perf tool should count rebalance time	1.0.0
238	KIP-176: Remove deprecated new-consumer option for tools	2.0.0
239	KIP-175: Additional '--describe' views for ConsumerGroupCommand	1.1.0
240	KIP-174 - Deprecate and remove internal converter configs in WorkerConfig	2.0.0
241	KIP-173: Add prefix to StreamsConfig to enable setting default internal topic configs	1.0.0
242	KIP-171 - Extend Consumer Group Reset Offset for Stream Application	1.1.0
243	KIP-168: Add GlobalTopicCount and GlobalPartitionCount metric per cluster	1.0.0
244	KIP-167: Add interface for the state store restoration process	1.0.0
245	KIP-164 - Add UnderMinIsrPartitionCount and per-partition UnderMinIsr metrics	1.0.0
246	KIP-163: Lower the Minimum Required ACL Permission of OffsetFetch	1.0.0
247	KIP-162: Enable topic deletion by default	1.0.0
248	KIP-161: streams deserialization exception handlers	1.0.0
249	KIP-160: Augment KStream.print(), KStream.writeAsText() to allow users pass in extra parameters in the printed string	1.0.0
250	KIP-158: Kafka Connect should allow source connectors to set topic-specific settings for new topics	2.6.0 (WIP)
251	KIP-157 - Add consumer config options to streams reset tool	1.0.0
252	KIP-156 Add option "dry run" to Streams application reset tool	0.11.0.0
253	KIP-155 - Add range scan for windowed state stores	0.11.0.0
254	KIP-154 Add Kafka Connect configuration properties for creating internal topics	0.11.0.0
255	KIP-153: Include only client traffic in BytesOutPerSec metric	0.11.0.0
256	KIP-152 - Improve diagnostics for SASL authentication failures	1.0.0
257	KIP-151 Expose Connector type in REST API	0.11.0.0
258	KIP-150 - Kafka-Streams Cogroup	2.5.0
259	KIP-149: Enabling key access in ValueTransformer, ValueMapper, and ValueJoiner	1.1.0 (partially implemented; inactive)
260	KIP-146 - Classloading Isolation in Connect	0.11.0.0
261	KIP-145 - Expose Record Headers in Kafka Connect	1.1.0
262	KIP-144: Exponential backoff for broker reconnect attempts	0.11.0.0
263	KIP-143: Controller Health Metrics	0.11.0.0
264	KIP-140: Add administrative RPCs for adding, deleting, and listing ACLs	0.11.0.0
265	KIP-138: Change punctuate semantics	1.0.0
266	KIP-137: Enhance TopicCommand --describe to show topics marked for deletion	0.11.0.0
267	KIP-136: Add Listener name to SelectorMetrics tags	0.11.0.0
268	KIP-134: Delay initial consumer group rebalance	0.11.0.0
269	KIP-133: Describe and Alter Configs Admin APIs	0.11.0.0
270	KIP-131 - Add access to OffsetStorageReader from SourceConnector	2.6.0 (WIP)
271	KIP-130: Expose states of active tasks to KafkaStreams public API	1.0.0
272	KIP-129: Streams Exactly-Once Semantics	0.11.0.0
273	KIP-128: Add ByteArrayConverter for Kafka Connect	0.11.0.0
274	KIP-126 - Allow KafkaProducer to split and resend oversized batches.	0.11.0.0
275	KIP-124 - Request rate quotas	0.11.0.0
276	KIP-123: Allow per stream/table timestamp extractor	0.11.0.0
277	KIP-122: Add Reset Consumer Group Offsets tooling	0.11.0.0
278	KIP-121: Add KStream peek method	0.11.0.0
279	KIP-120: Cleanup Kafka Streams builder API	1.0.0
280	KIP-119: Drop Support for Scala 2.10 in Kafka 0.11	0.11.0.0
281	KIP-118: Drop Support for Java 7	2.0.0
282	KIP-117: Add a public AdminClient API for Kafka admin operations	0.11.0.0
283	KIP-115: Enforce offsets.topic.replication.factor upon __consumer_offsets auto topic creation	0.11.0.0
284	KIP-114: KTable state stores and improved semantics	0.11.0.0
285	KIP-113: Support replicas movement between log directories	1.1.0
286	KIP-112: Handle disk failure for JBOD	1.0.0
287	KIP-110: Add Codec for ZStandard Compression	2.1.0
288	KIP-109: Old Consumer Deprecation	0.11.0.0
289	KIP-108: Create Topic Policy	0.10.2.0
290	KIP-107: Add deleteRecordsBefore() API in AdminClient	0.11.0.0
291	KIP-106 - Change Default unclean.leader.election.enabled from True to False	0.11.0.0
292	KIP-105: Addition of Record Level for Sensors	0.10.2.0
293	KIP-104: Granular Sensors for Streams	0.10.2.0
294	KIP-103: Separation of Internal and External traffic	0.10.2.0
295	KIP-102 - Add close with timeout for consumers	0.10.2.0
296	KIP-101 - Alter Replication Protocol to use Leader Epoch rather than High Watermark for Truncation	0.11.0.0
297	KIP-100 - Relax Type constraints in Kafka Streams API	0.10.2.0
298	KIP-99: Add Global Tables to Kafka Streams	0.10.2.0
299	KIP-98 - Exactly Once Delivery and Transactional Messaging	0.11.0.0
300	KIP-97: Improved Kafka Client RPC Compatibility Policy	0.10.2.0
301	KIP-96 - Add per partition metrics for in-sync and assigned replica count	0.10.2.0
302	KIP-94 Session Windows	0.10.2.0
303	KIP-93: Improve invalid timestamp handling in Kafka Streams	0.10.2.0
304	KIP-92 - Add per partition lag metrics to KafkaConsumer	0.10.2.0
305	KIP-91 Provide Intuitive User Timeouts in The Producer	2.1.0
306	KIP-90 - Remove zkClient dependency from Streams	0.10.2.0
307	KIP-89: Allow sink connectors to decouple flush and offset commit	0.10.2.0
308	KIP-88: OffsetFetch Protocol Update	0.10.2.0
309	KIP-86: Configurable SASL callback handlers	2.0.0
310	KIP-85: Dynamic JAAS configuration for Kafka clients	0.10.2.0
311	KIP-84: Support SASL SCRAM mechanisms	0.10.2.0
312	KIP-82 - Add Record Headers	0.11.0.0
313	KIP-81: Bound Fetch memory usage in the consumer	2.6.0 (WIP)
314	KIP-79 - ListOffsetRequest/ListOffsetResponse v1 and add timestamp search methods to the new consumer	0.10.1.0
315	KIP-78: Cluster Id	0.10.1.0
316	KIP-77: Improve Kafka Streams Join Semantics	0.10.2.0
317	KIP-75 - Add per-connector Converters	0.10.1.0
318	KIP-74: Add Fetch Response Size Limit in Bytes	0.10.1.0
319	KIP-73: Replication Quotas	0.10.1.0
320	KIP-72: Allow putting a bound on memory consumed by Incoming request	1.0.0
321	KIP-71: Enable log compaction and deletion to co-exist	0.10.1.0
322	KIP-70: Revise Partition Assignment Semantics on New Consumer's Subscription Change	0.10.1.0
323	KIP-67: Queryable state for Kafka Streams	0.10.1.0
324	KIP-66: Single Message Transforms for Kafka Connect	0.10.2.0 / 0.11.0.0
325	KIP-65: Expose timestamps to Connect	0.10.1.0
326	KIP-63: Unify store and downstream caching in streams	0.10.1.0
327	KIP-62: Allow consumer to send heartbeats from a background thread	0.10.1.0
328	KIP-60 - Make Java client classloading more flexible	0.10.1.0
329	KIP-58 - Make Log Compaction Point Configurable	0.10.1.0
330	KIP-57 - Interoperable LZ4 Framing	0.10.0.0
331	KIP-56: Allow cross origin HTTP requests on all HTTP methods	0.10.0.0
332	KIP-55: Secure Quotas for Authenticated Users	0.10.1.0
333	KIP-54: Sticky Partition Assignment Strategy	0.11.0.0
334	KIP-52: Connector Control APIs	0.10.0.0
335	KIP-51 - List Connectors REST API	0.10.0.0
336	KIP-48 Delegation token support for Kafka	1.1.0
337	KIP-45 - Standardize all client sequence interaction on j.u.Collection.	0.10.0.0
338	KIP-43: Kafka SASL enhancements	0.10.0.0
339	KIP-42: Add Producer and Consumer Interceptors	0.10.0.0
340	KIP-41: Consumer Max Records	0.10.0.0
341	KIP-40: ListGroups and DescribeGroup	0.9.0.0
342	KIP-38: ZooKeeper Authentication	0.9.0.0
343	KIP-36 - Rack aware replica assignment	0.10.0.0
344	KIP-35 - Retrieving protocol version	0.10.0.0
345	KIP-33 - Add a time based log index	0.10.1.0
346	KIP-32 - Add timestamps to Kafka message	0.10.0.0
347	KIP-31 - Move to relative offsets in compressed message sets	0.10.0.0
348	KIP-28 - Add a processor client	0.10.0.0
349	KIP-26 - Add Kafka Connect framework for data import/export	0.9.0.0
350	KIP-25 - System test improvements	0.9.0.0
351	KIP-22 - Expose a Partitioner interface in the new producer	0.9.0.0
352	KIP-21 - Dynamic Configuration	0.9.0.0 (WIP)
353	KIP-20 Enable log preallocate to improve consume performance under windows and some old Linux file system	0.9.0.0
354	KIP-19 - Add a request timeout to NetworkClient	0.9.0.0
355	KIP-16 - Automated Replica Lag Tuning	0.9.0.0
356	KIP-15 - Add a close method with a timeout in the producer	0.9.0.0
357	KIP-13 - Quota Design	0.9.0.0
358	KIP-12 - Kafka Sasl/Kerberos and SSL implementation	0.9.0.0
359	KIP-11 - Kafka Authorizer design	0.9.0.0
360	KIP-8 - Add a flush method to the producer API	0.9.0.0
361	KIP-4 - Metadata Protocol Changes	0.10.0.0
362	KIP-4 - Command line and centralized administrative operations	0.9.0.0, 0.10.0.0, 0.10.1.0
363	KIP-3 - Mirror Maker Enhancement	0.9.0.0
364	KIP-2 - Refactor brokers to allow listening on multiple ports and IPs	0.9.0.0
365	KIP-1 - Remove support of request.required.acks	0.9.0.0

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