# 2021 Annual Report: WG API Expression ## Current initiatives 1. What work did the WG do this year that should be highlighted? For example, artifacts, reports, white papers produced this year. - Server-side Apply went GA this summer - Started new initiatives around OpenAPI v3 - Enum for built-in types in OpenAPI - Server-side field validation 2. What initiatives are you working on that aren't being tracked in KEPs? - N/A ## Project health 1. What's the current roadmap until completion of the working group? - Address server-side apply field deletion and improve CSA -> SSA story - Complete OpenAPI v3 roll-out - Finish using existing OpenAPI primitives for built-ins and CRDs - Allow OpenAPI extensions to be used by CRD authors - Discovery cache-busting 2. Does the group have contributors from multiple companies/affiliations? - Yes 3. Are there ways end users/companies can contribute that they currently are not? If one of those ways is more full time support, what would they work on and why? - No ## Membership - Primary slack channel member count: 123 - Primary mailing list member count: 33 - Primary meeting attendee count (estimated, if needed): 4-5 - Primary meeting participant count (estimated, if needed): 6-8 ## Operational Operational tasks in [wg-governance.md]: - [x] [README.md] reviewed for accuracy and updated if needed - [x] WG leaders in [sigs.yaml] are accurate and active, and updated if needed - [x] Meeting notes and recordings for 2021 are linked from [README.md] and updated/uploaded if needed - [ ] Updates provided to sponsoring SIGs in 2021 [wg-governance.md]: https://git.k8s.io/community/committee-steering/governance/wg-governance.md [README.md]: https://git.k8s.io/community/wg-api-expression/README.md [sigs.yaml]: https://git.k8s.io/community/sigs.yaml