2026.10.27.1: platforms (SPEC-013) -- ok images need no declaration; packaging and distribution (SPEC-014) -- three axes, universal packages, single files, okb - #847

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache/restore@v4, actions/checkout@v4, actions/upload-artifact@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/