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+# Discussion here: https://issues.apache.org/jira/browse/KAFKA-18648
+
+Produce (0):
+current: 7 / 2.1 baseline!
+2.1 => 7
+3.0 => 9
+3.9 => 11
+kafka/producer/sender.py:        version = self._client.api_version(ProduceRequest, max_version=7)
+
+Fetch (1):
+current: 10 / 2.1 baseline!
+2.1 => 10
+3.0 => 12
+3.9 => 17
+kafka/consumer/fetcher.py:        version = self._client.api_version(FetchRequest, max_version=10)
+#  Still need log truncation KAFKA-7747 (enabled in v9, recommended for v11 per https://github.com/tulios/kafkajs/issues/1464)
+
+ListOffsets (2):
+current: 4 / 2.1 baseline!
+2.1 => 4
+3.0 => 7
+3.9 => 9
+kafka/consumer/fetcher.py:        version = self._client.api_version(ListOffsetsRequest, max_version=4)
+
+Metadata (3):
+current: 7 / 2.1 baseline!
+2.1 => 7
+3.0 => 11
+3.9 => 12
+kafka/client_async.py:            api_version = self.api_version(MetadataRequest, max_version=7)
+
+OffsetCommit (8):
+current: 7 / 2.1 baseline!
+2.1 => 6
+3.0 => 8
+3.9 => 9
+kafka/coordinator/consumer.py:        version = self._client.api_version(OffsetCommitRequest, max_version=7)
+
+OffsetFetch (9):
+current: 5 / 2.1 baseline!
+2.1 => 5
+3.0 => 8
+3.9 => 9
+kafka/coordinator/consumer.py:        version = self._client.api_version(OffsetFetchRequest, max_version=5)
+
+FindCoordinator(10):
+current: 2 / 2.1 baseline!
+2.1 => 2
+3.0 => 4
+3.9 => 6
+kafka/coordinator/base.py:        version = self._client.api_version(FindCoordinatorRequest, max_version=2)
+
+JoinGroup(11):
+current: 5 / 2.1 baseline!
+2.1 => 3
+3.0 => 7
+3.9 => 9
+kafka/coordinator/base.py:        version = self._client.api_version(JoinGroupRequest, max_version=5)
+
+Heartbeat (12)
+current: 3 / 2.1 baseline!
+2.1 => 2
+3.0 => 4
+3.9 => 4
+kafka/coordinator/base.py:        version = self._client.api_version(HeartbeatRequest, max_version=3)
+
+LeaveGroup (13):
+current: 3 / 2.1 baseline!
+2.1 => 2
+3.0 => 4
+3.9 => 5
+kafka/coordinator/base.py:                version = self._client.api_version(LeaveGroupRequest, max_version=3)
+
+SyncGroup (14):
+current: 3 / 2.1 baseline!
+2.1 => 2
+3.0 => 5
+3.9 => 5
+kafka/coordinator/base.py:        version = self._client.api_version(SyncGroupRequest, max_version=3)
+kafka/coordinator/base.py:        version = self._client.api_version(SyncGroupRequest, max_version=3)
+
+ApiVersions (18):
+current: 4 / 3.9 baseline!
+2.1 => 2
+3.0 => 3
+3.9 => 4
+
+SaslHandshake (17):
+current: 1 / 3.9 baseline!
+2.1 => 1
+3.0 => 1
+3.9 => 1
+
+SaslAuthenticate (36):
+current: 0 / 2.1 baseline!
+2.1 => 0
+3.0 => 2
+3.9 => 2