Fable 3.1.15 released!

[NewsBot]

Fable 3.1.15 has been released.

• Add a --sourceMapsRoot CLI option to set source maps sourceRoot @mlaily
• Fix #2433: Improve type info for plugins like Fable.SvelteStore
• Fix #2431: Pass output directory info to plugins

Link: Release 3.1.15 · fable-compiler/Fable · GitHub