diff --git a/deps/rabbitmq_ct_helpers/src/stream_test_utils.erl b/deps/rabbitmq_ct_helpers/src/stream_test_utils.erl
index 7cb78dff7c24..75e3ac6ebd6f 100644
--- a/deps/rabbitmq_ct_helpers/src/stream_test_utils.erl
+++ b/deps/rabbitmq_ct_helpers/src/stream_test_utils.erl
@@ -48,7 +48,13 @@ do_connect(StreamPort, PeerProperties) ->
     ok = gen_tcp:send(Sock, rabbit_stream_core:frame({response, 0, {tune, DefaultFrameMax, 0}})),
     ok = gen_tcp:send(Sock, rabbit_stream_core:frame({request, 3, {open, <<"/">>}})),
     {{response, 3, {open, _, _ConnectionProperties}}, C5} = receive_stream_commands(Sock, C4),
-    {ok, Sock, C5}.
+
+    CmdVsns = [{deliver, 1, 2}],
+    ExchCmdVsnsCmd = {exchange_command_versions, CmdVsns},
+    ok = gen_tcp:send(Sock, rabbit_stream_core:frame({request, 4, ExchCmdVsnsCmd})),
+    {{response, 4, {exchange_command_versions, 1, _Cmds}}, C6} = receive_stream_commands(Sock, C5),
+
+    {ok, Sock, C6}.
 
 close(Sock, C0) ->
     CloseReason = <<"OK">>,
diff --git a/deps/rabbitmq_prometheus/test/rabbit_prometheus_http_SUITE.erl b/deps/rabbitmq_prometheus/test/rabbit_prometheus_http_SUITE.erl
index 359b206d12a7..5417ba32163e 100644
--- a/deps/rabbitmq_prometheus/test/rabbit_prometheus_http_SUITE.erl
+++ b/deps/rabbitmq_prometheus/test/rabbit_prometheus_http_SUITE.erl
@@ -805,11 +805,13 @@ stream_pub_sub_metrics(Config) ->
     ct:pal("Initial metrics: ~p", [Metrics]),
 
     Stream1 = atom_to_list(?FUNCTION_NAME) ++ "1",
-    MsgPerBatch1 = 2,
-    {ok, S1, C1} = publish_via_stream_protocol(list_to_binary(Stream1), MsgPerBatch1, Config),
+    MsgPerBatch1 = 2, %% we'll publish 2 batches
+    {ok, S1, C1, CmttdChkId1} = publish_via_stream_protocol(list_to_binary(Stream1),
+                                                            MsgPerBatch1, Config),
     Stream2 = atom_to_list(?FUNCTION_NAME) ++ "2",
-    MsgPerBatch2 = 3,
-    {ok, S2, C2} = publish_via_stream_protocol(list_to_binary(Stream2), MsgPerBatch2, Config),
+    MsgPerBatch2 = 3, %% we'll publish 2 batches
+    {ok, S2, C2, CmttdChkId2} = publish_via_stream_protocol(list_to_binary(Stream2),
+                                                            MsgPerBatch2, Config),
 
     %% aggregated metrics
 
@@ -825,12 +827,14 @@ stream_pub_sub_metrics(Config) ->
 
     %% per-object metrics
      {_, Body2} = http_get_with_pal(Config, "/metrics/detailed?family=stream_consumer_metrics",
-                                   [], 200),
+                                    [], 200),
     ParsedBody2 = parse_response(Body2),
     #{rabbitmq_detailed_stream_consumer_max_offset_lag := MaxOffsetLag} = ParsedBody2,
 
-    ?assertEqual([{#{vhost => "/", queue => Stream1}, [2]},
-                  {#{vhost => "/", queue => Stream2}, [3]}],
+    %% we published 2 batches and received a first chunk (consumer offset = 0)
+    %% so the offset lag is the last committed chunk ID
+    ?assertEqual([{#{vhost => "/", queue => Stream1}, [CmttdChkId1]},
+                  {#{vhost => "/", queue => Stream2}, [CmttdChkId2]}],
                  lists:sort(maps:to_list(MaxOffsetLag))),
     dispose_stream_connection(S1, C1, list_to_binary(Stream1)),
     dispose_stream_connection(S2, C2, list_to_binary(Stream2)),
@@ -926,8 +930,9 @@ publish_via_stream_protocol(Stream, MsgPerBatch, Config) ->
     {ok, C6} = stream_test_utils:subscribe(S, C5, Stream, SubscriptionId, _InitialCredit = 0),
     ok = stream_test_utils:credit(S, SubscriptionId, 1),
     %% delivery of first batch of messages
-    {{deliver, SubscriptionId, _Bin1}, C7} = stream_test_utils:receive_stream_commands(S, C6),
-    {ok, S, C7}.
+    {{deliver_v2, SubscriptionId, CommittedChunkId, _Bin1}, C7} =
+        stream_test_utils:receive_stream_commands(S, C6),
+    {ok, S, C7, CommittedChunkId}.
 
 dispose_stream_connection(Sock, C0, Stream) ->
     {ok, C1} = stream_test_utils:delete_stream(Sock, C0, Stream),
diff --git a/deps/rabbitmq_stream/test/rabbit_stream_SUITE.erl b/deps/rabbitmq_stream/test/rabbit_stream_SUITE.erl
index 14d712e42d56..0a716004e1f9 100644
--- a/deps/rabbitmq_stream/test/rabbit_stream_SUITE.erl
+++ b/deps/rabbitmq_stream/test/rabbit_stream_SUITE.erl
@@ -361,26 +361,27 @@ test_publish_v2(Config) ->
     C0 = rabbit_stream_core:init(0),
     C1 = test_peer_properties(Transport, S, C0),
     C2 = test_authenticate(Transport, S, C1),
-    C3 = test_create_stream(Transport, S, Stream, C2),
+    C3 = test_exchange_command_versions(Transport, S, C2),
+    C4 = test_create_stream(Transport, S, Stream, C3),
     PublisherId = 42,
-    C4 = test_declare_publisher(Transport, S, PublisherId, Stream, C3),
+    C5 = test_declare_publisher(Transport, S, PublisherId, Stream, C4),
     Body = <<"hello">>,
-    C5 = test_publish_confirm(Transport, S, publish_v2, PublisherId, Body,
-                              publish_confirm, C4),
     C6 = test_publish_confirm(Transport, S, publish_v2, PublisherId, Body,
                               publish_confirm, C5),
+    C7 = test_publish_confirm(Transport, S, publish_v2, PublisherId, Body,
+                              publish_confirm, C6),
     SubscriptionId = 42,
-    C7 = test_subscribe(Transport, S, SubscriptionId, Stream,
+    C8 = test_subscribe(Transport, S, SubscriptionId, Stream,
                         #{<<"filter.0">> => <<"foo">>},
                         ?RESPONSE_CODE_OK,
-                        C6),
-    C8 = test_deliver(Transport, S, SubscriptionId, 0, Body, C7),
-    C8b = test_deliver(Transport, S, SubscriptionId, 1, Body, C8),
+                        C7),
+    C9 = test_deliver_v2(Transport, S, SubscriptionId, 0, Body, C8),
+    C9b = test_deliver_v2(Transport, S, SubscriptionId, 1, Body, C9),
 
-    C9 = test_unsubscribe(Transport, S, SubscriptionId, C8b),
+    C10 = test_unsubscribe(Transport, S, SubscriptionId, C9b),
 
-    C10 = test_delete_stream(Transport, S, Stream, C9),
-    _C11 = test_close(Transport, S, C10),
+    C11 = test_delete_stream(Transport, S, Stream, C10),
+    _C12 = test_close(Transport, S, C11),
     closed = wait_for_socket_close(Transport, S, 10),
     ok.
 
@@ -901,7 +902,7 @@ offset_lag_calculation(Config) ->
 
                    C03 = case ReceiveDeliver of
                              true ->
-                                 {{deliver, SubId, _}, C02} = receive_commands(S, C01),
+                                 {{deliver_v2, SubId, _, _}, C02} = receive_commands(S, C01),
                                  C02;
                              _ ->
                                  C01