Sabirow has historically released "nightly" or "public test" builds for free on platforms like Itch.io and sometimes via Telegram or Discord channels. Version v030 was originally a public beta.
The v0.3 release introduced the following additions and changes:
: Choice-driven gameplay where your decisions significantly impact relationships and lead to multiple endings. Features of v0.3
Given the lack of context, I'm providing a generic response. If you could provide more details about what you're looking for (e.g., a game, software tool, and its intended use), I might be able to offer a more targeted suggestion.