Blog

Release notes for each tagged version of Xo, and notes on its design.

• 2026-10-10

  Introducing Xo

  A small, statically typed language for backends, designed so the compiler catches what AI agents (and people) get wrong.

• 2026-10-10

  Xo v0.9.0

  Release notes for Xo v0.9.0, spec draft 0.9.

• 2026-10-09

  Xo v0.8.0

  Release notes for Xo v0.8.0, spec draft 0.8.

• 2026-10-09

  Xo v0.7.0

  Release notes for Xo v0.7.0, spec draft 0.7.