Charm Tech pulse 2026#4

This pulse, we’ve released Ops 3.6.0, Concierge 1.4.2, and Pebble 1.29.0 as well as put two specifications up for review: charm library testing and relation interface design.

Ops

  • Released Ops 3.6.0 (a collection of small fixes)

Charming

  • Hosted an AMA with the Analytics team

  • Released Concierge 1.4.2 (–dry-run, custom image registry configuration, presets as YAML)

  • Continued work on using AI to migrate from python-libjuju to Jubilant for integration tests (to help with the Juju 4 effort)

  • Relation Interface Design specification is in review, please comment!

Charmlibs

  • Specified how charm libraries should provide relation data for use in charm tests. Documentation and implementation in a selected charm library to follow.

  • Began rewriting charmlibs.snap to drop its caching layer and simplify its API. This will make it easier to support additional features in future.

Pebble

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