Versioning

OpenCastor

Format: YYYY.MM.DD.iterationnumber

Examples: - v2026.3.21.2 — March 21, 2026, second release that day - v2026.3.20.4 — March 20, 2026, fourth release

This format makes the release date immediately obvious and allows multiple releases per day.

RCAN Spec

Semantic versioning: MAJOR.MINOR.PATCH

• MAJOR — breaking protocol changes
• MINOR — new message types or scope changes (backward compatible)
• PATCH — clarifications, editorial fixes

Current: v1.9.0

rcan-py / rcan-ts

Semantic versioning tracking spec minor versions:

• rcan-py v0.8.0 implements RCAN spec v1.9
• rcan-ts v0.8.0 implements RCAN spec v1.9

opencastor-client

MAJOR.MINOR.PATCH+BUILD:

• 1.3.0+5 — semantic version 1.3.0, build 5 (TestFlight build number)

Doc versioning

Docs are versioned with mike. The nav shows a version selector:

• stable → latest stable release
• latest → main branch (may include unreleased features)
• Historical versions accessible via the selector

Compatibility matrix

OpenCastor	RCAN Spec	rcan-py	rcan-ts
v2026.3.21.x	v1.9.0	v0.8.0	v0.8.0
v2026.3.20.x	v1.8.0	v0.7.0	v0.7.0