08.07.2025: Improved Error Handling in Prompt Playground ⚠️

Available in Phoenix 11.20+

Prompt Playground experiments now provide clearer error messages, listing valid options when an input is invalid. This makes troubleshooting easier and helps users quickly correct mistakes during experiment setup.

feat(ui): playground error message lists valid options by rickarize · Pull Request #8959 · Arize-ai/phoenixGitHub