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chore: add known message transformation / schema validation issue #3124

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47b8371
chore: add known message transformation / schema validation issue
thalesmg Aug 15, 2025
f99f66b
chore: add known external schema registry issue
thalesmg Aug 15, 2025
0e31565
Edit and add zh translation
Meggielqk Aug 18, 2025
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19 changes: 17 additions & 2 deletions en_US/changes/known-issues-5.8.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,20 @@
# Known Issues in EMQX 5.8

## e5.8.8

- **Disabling Message Transformation / Schema Validation after deleting a previous item in the order does not take effect (since 5.8.0, will be fixed in 5.8.8)**.

If one deleted a Message Transformation / Schema Validation, and then disabled one of the items that followed the deleted one, it would remain enabled.

> **Workaround:**
> Run the following command on one of EMQX hosts.
>
> ```
> $ emqx eval "begin ets:delete_all_objects(emqx_message_transformation_index), emqx_message_transformation_config:load() end."
> ```

- **External Schema Registries are not loaded when a node is restarted (since 5.8.1, will be fixed in 5.8.8)**.

## e5.8.6

- **Occasional RPC errors in logs due to failed attempts to contact nodes that had left the cluster (since 5.8.5, will be fixed in 5.9.0)**
Expand Down Expand Up @@ -68,13 +83,13 @@
ABCDEF1111111111 'emqx@emqxc1-core0.local' (!) UNIDENTIFIED
ABCDEF2222222222 'emqx@emqxc2-core0.local' up
<...>

Shard Replicas
messages/0 (!) ABCDEF1111111111
messages/1 (!) ABCDEF1111111111
<...>
messages/9 (!) ABCDEF1111111111

Shard Transitions
messages/0 +ABCDEF2222222222 -ABCDEF1111111111
messages/1 +ABCDEF2222222222 -ABCDEF1111111111
Expand Down