Major version v1.0.0. Main features:

• Grammar of Impromptu in Langium.
• Visual editor with built-in syntax-highlighting, syntax checking and autocomplete suggestions.
• Simple command-line interface (CLI) that makes it possible to generate tool-specific prompts within automated workflows.
• Generation of Python code to embed a prompt and invoke APIs of online available AI systems.
• Generation of Python code for testing the model output to a given prompt.

Currently, Impromptu includes generators for transforming platform-independent prompts into platform-specific for OpenAI's text-to-text ChatGPT, and for text-to-image Midjourney and Stable Diffusion.