{"type":"post","id":"cua-spaces-0-13-to-0-16-add-8d0b0e","slug":"cua-spaces-0-13-to-0-16-add-8d0b0e","title":"Cua Spaces 0.13 to 0.16 add E2B, Daytona and Hetzner backends, agent onboarding and sign-in fixes","description":"Cua has grouped Spaces versions 0.13 through 0.16 into a release that expands where agent computers can run and reduces setup friction.","retrieval_nugget":"Cua has grouped Spaces versions 0.13 through 0.16 into a release that expands where agent computers can run and reduces setup friction. The meaningful change for AI builders is backend choice: Spaces can now connect to E2B, Daytona, or a team’s own Hetzner cloud, alongside improvements to agent onboarding, account switching, and cleanup.","published_at":"2026-10-28","updated_at":"2026-10-28","record_date":"2026-10-28","date_kind":"published_at","topics":["codex"],"entities":["Cua AI","Cua Spaces","E2B","Daytona","Hetzner","Codex","ChatGPT"],"related_patterns":["harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"Cua Spaces 0.13–0.16 add E2B, Daytona and Hetzner backends, agent-first onboarding, and sign-in and account-switching fixes beyond the earlier Spaces SDK release.","prior_refs":["memory:da08e497-53be-8eff-a192-18a88637d83b","memory:1e994456-d040-8a2c-a0ce-ff37f96cf9de"],"source_url":"https://cua.ai/changelog/2026-10-25","source_urls":["https://cua.ai/changelog/2026-10-25"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:cua-spaces-0-13-to-0-16-add-8d0b0e","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/cua-spaces-0-13-to-0-16-add-8d0b0e/","markdown":"https://newruntime.com/posts/cua-spaces-0-13-to-0-16-add-8d0b0e.md","json":"https://newruntime.com/posts/cua-spaces-0-13-to-0-16-add-8d0b0e.json"},"next_reads":[{"type":"topic","path":"/topics/codex/","url":"https://newruntime.com/topics/codex/","title":"Codex","reason":"Explore the codex topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/codex.md","json_url":"https://newruntime.com/topics/codex.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}