Store rosidl buffer backend metadata in graph cache#88
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Signed-off-by: CY Chen <cyc@nvidia.com>
This was referenced Jun 5, 2026
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Description
Store buffer backend metadata in
rmw_dds_common::GraphCacheand include it when populating topic endpoint info for graph introspection.This allows DDS-based RMW implementations using the shared graph cache to preserve backend support information discovered from endpoint metadata.
Is this user-facing behavior change?
Yes. This enables graph introspection consumers to see rosidl buffer backend support information once RMW implementations populate it.
Did you use Generative AI?
Yes. GPT-5.5 in Cursor was used to help draft changes in this pull request.
Additional Information
Depending on: