v4.2.x: Switch CLI tools to Thoas for JSON serializer#15966
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michaelklishin merged 2 commits intov4.2.xfrom Apr 9, 2026
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v4.2.x: Switch CLI tools to Thoas for JSON serializer#15966michaelklishin merged 2 commits intov4.2.xfrom
v4.2.x: Switch CLI tools to Thoas for JSON serializer#15966michaelklishin merged 2 commits intov4.2.xfrom
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…lugins Elixir 1.18+ introduces a standard library JSON module which conflicts with the `json` library we've been using in CLI tools for `--formatter=json` and such. Since the two Elixir versions are not compatible and we have reasons to not bump Elixir too aggressively just yet, the most pragmatic option was to switch CLI tools to use `thoas`, the Erlang JSON parser RabbitMQ core and HTTP API use. This unblocks Dialyzer runs in four plugins disabled about 10 months ago and reveals a `rabbitmq_mqtt` Dialyzer failure due to a field that was removed from a record but not its type spec. Due to the MQTT plugin issue above, this can only be backported to `v4.3.x`, a `v4.2.x` version will need some tweaks. (cherry picked from commit b4ed713)
at least as closely as practical for RabbitMQ's needs. (cherry picked from commit ff97d99)
michaelklishin
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mk-double-elixir-dep-on-elixir-1.18-and-later-v4.2.x
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This is a
v4.2.x-specific version ofmain)v4.3.x, a clean backport)