During February 2026, Tkok focused on improving API client compatibility in the scalar/scalar repository by addressing a targeted bug related to HTTP header alignment. Tkok updated the API client so that its Accept header now defaults to the response content types specified in the OpenAPI specification, rather than always using a generic wildcard. This adjustment, implemented in TypeScript with an emphasis on API development and testing, ensures more accurate content negotiation and reduces unnecessary data handling across client integrations. The work included updating documentation and changesets, providing clear traceability and enabling maintainers to review or revert the change efficiently if needed.