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Coordinated 1.0 release notes ​

rho-sdk 1.0.0 and rho-coding-agent 1.0.0 were published on 2026-07-15 from #262. rho-coding-agent was immediately followed by a 1.0.1 patch (#272) that separated the application release process from the SDK's; it carries no SDK or user-facing behavior change.

Known gap

Not every entry gate in the release-candidate process was verified before publication. In particular, the terminal-event delivery guarantee described in known limitations shipped unresolved. Treat this page as an accurate record of what shipped, not proof every gate passed.

rho-sdk 1.0.0 ​

Embeddable runtime ​

  • Added a headless Rho runtime with explicit builders, sessions, runs, ordered events, typed outcomes, cancellation, steering, and coordinated shutdown.
  • Added support for custom object-safe providers and tools through explicit Send futures and bounded event delivery.
  • Added support for typed questionnaires and host responses, usage accounting, manual and automatic compaction boundaries, provider handoff reporting, and per-session reasoning control.

Sessions and persistence ​

  • Added versioned, serializable SessionSnapshot values and a storage trait that does not require SQLite.
  • Preserved provider-native context only for the exact provider, API, and model identity that produced it.
  • Kept display-only transcript state and application storage adapters outside provider-neutral model history.

Security ​

  • Granted no filesystem, process, network, credential-store, or persistence authority by default.
  • Required explicit workspaces, capability policies, and approval handlers for sensitive operations.
  • Kept built-in provider transports, coding tools, SQLite, keychain, web, and terminal dependencies outside the minimal SDK crate.

Compatibility ​

  • Required Rust 1.86 and a host-provided Tokio runtime.
  • Shipped an empty default feature set.
  • Treated public Rust contracts, documented event ordering and lifecycle behavior, feature names, and snapshot schemas as compatibility boundaries.

rho-coding-agent 1.0.0 ​

SDK-backed execution ​

  • Moved rho run and the interactive TUI onto the same public rho-sdk runtime used by third-party applications.
  • Removed the duplicate private agent/provider/tool loop.
  • Kept terminal rendering, keybindings, configuration mutation, login and OS credential UX, updates, SQLite indexing, and built-in tool presentation in the application.

Automation compatibility ​

  • Preserved prompt argument and stdin composition, provider/model/auth/reasoning selection, --no-system-prompt, --no-tools, working-directory and AGENTS.md behavior.
  • Wrote only the final answer to stdout. Diagnostics and failures stayed on stderr.
  • Used exit status 0 for success, 1 for ordinary failures, 130 for SIGINT, and 143 for SIGTERM after runtime and managed-process cleanup.
  • Did not add a JSON Lines mode in 1.0. Rust RunEvent remained the typed in-process streaming contract, not a versioned serialization format.

Interactive compatibility ​

  • Preserved semantic assistant/reasoning streaming, tool progress, diffs, command and web summaries, questionnaires, steering, compaction, provider switching, resumed sessions, scrolling, pickers, composer behavior, and terminal restoration through an application-owned event adapter.
  • Kept presentation-only lines and styles out of SDK provider messages and contracts.

Intentional changes ​

  • Sensitive capabilities are represented and authorized explicitly instead of being inferred from global application state.
  • Provider-incompatible native context is omitted during model handoff and reported rather than replayed unsafely.
  • Abandoned runs and coordinated runtime shutdown cancel background work.
  • Rust 1.88 is the application MSRV.

Release order ​

rho-sdk and rho-coding-agent were published together from the same commit rather than through the fully sequenced coordinated flow in release candidates:

  1. rho-sdk 1.0.0 and rho-coding-agent 1.0.0 were published in the same release-please run.
  2. rho-coding-agent 1.0.1 followed same-day to separate the application's release automation from the SDK's.
  3. Clean install, executable naming, package contents, and supported-platform artifacts have not been independently re-verified against this specific release beyond CI's existing packaging checks.

See known limitations for behavior that shipped without the full release-candidate evidence this document originally called for.