Short answer - neither React Spectrum nor Spectrum Web Components is supported in UXP. Only Spectrum UXP (which is an implementation of Spectrum Web Components) is supported.
Here’s @kerrishotts answer 1,5 years ago (maybe there’s some update?)
Short answer - neither React Spectrum nor Spectrum Web Components is supported in UXP. Only Spectrum UXP (which is an implementation of Spectrum Web Components) is supported.
Here’s @kerrishotts answer 1,5 years ago (maybe there’s some update?)