Agent Breaking Changes_

← Pi

Pi v0.83.0

breakingdeprecatedmodelpricing

2026-07-29 · official notes

Summary

Full notes

### New Features

- **Credential export for external clients** — `pi auth print-api-key` and `pi auth print-bearer-token` export configured credentials with automatic OAuth refresh and minimum-validity enforcement.
- **Headless OpenRouter sign-in** — Complete `/login` over SSH by pasting the redirect URL or authorization code when the loopback callback is unavailable. See [OpenRouter](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/providers.md#openrouter).
- **Claude Opus 5 on GitHub Copilot** — Use Claude Opus 5 through GitHub Copilot with adaptive thinking and a 1M context window. See [GitHub Copilot](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/providers.md#github-copilot).

### Breaking Changes

- Upgraded bundled TypeBox aliases to 1.3.7, removing deprecated APIs including `Type.Base`, `Type.Awaited`, `Type.Promise`, `Type.AsyncIterator`, `Type.Iterator`, `Type.Options`, and `Value.Mutate`, while fixing compiled validation of nullable array tool arguments. Extensions using removed APIs must migrate to supported TypeBox APIs. See [Package Dependencies](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/packages.md#dependencies) ([#7243](https://github.com/earendil-works/pi/pull/7243) by [@petrroll](https://github.com/petrroll)).

### Added

- Added `pi auth print-api-key` and `pi auth print-bearer-token` commands for exporting configured credentials to external clients, including automatic OAuth refresh and configurable minimum token validity ([#7168](https://github.com/earendil-works/pi/pull/7168)).
- Exposed the session's resolved model scope as `ctx.scopedModels` to extensions. See [Extension Context](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/extensions.md#ctxmodelregistry--ctxmodel--ctxthinkinglevel--ctxscopedmodels) ([#7191](https://github.com/earendil-works/pi/pull/7191) by [@pungggi](https://github.com/pungggi), [#7215](https://github.com/earendil-works/pi/pull/7215)).
- Added inherited per-request `fetch` injection for supported text and image provider transports.
- Added the inherited `"pending"` stop reason for partial streaming messages. See [Custom Provider Stream Pattern](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/custom-provider.md#stream-pattern) ([#7151](https://github.com/earendil-works/pi/pull/7151) by [@lucasmeijer](https://github.com/lucasmeijer)).
- Added inherited raw provider stop reasons across Google, Anthropic, Amazon Bedrock, Mistral, and OpenAI streams; unmapped terminal reasons now surface as provider errors instead of successful stops ([#7272](https://github.com/earendil-works/pi/pull/7272)).
- Added manual redirect URL and authorization-code entry to OpenRouter login for remote and headless environments. See [OpenRouter](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/providers.md#openrouter) ([#7114](https://github.com/earendil-works/pi/pull/7114) by [@rgarcia](https://github.com/rgarcia)).
- Added inherited Claude Opus 5 support for GitHub Copilot with adaptive thinking and a 1M context window. See [GitHub Copilot](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/providers.md#github-copilot) ([#7158](https://github.com/earendil-works/pi/pull/7158) by [@jay-aye-see-kay](https://github.com/jay-aye-see-kay)).

### Changed

- Changed inherited OAuth credential resolution to refresh tokens with less than five minutes of validity remaining instead of waiting until expiration ([#7168](https://github.com/earendil-works/pi/pull/7168)).

### Fixed

- Added a status line when the tool output expansion is toggled ([#7180](https://github.com/earendil-works/pi/issues/7180)).
- Fixed file-backed `SYSTEM.md` and `APPEND_SYSTEM.md` prompts being omitted from the interactive startup context listing. See [System Prompt Files](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/usage.md#system-prompt-files) ([#7096](https://github.com/earendil-works/pi/issues/7096)).
- Fixed context files loading twice when a linked Git worktree is nested under its main repository. See [Context Files](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/usage.md#context-files) ([#7221](https://github.com/earendil-works/pi/pull/7221) by [@arajkumar](https://github.com/arajkumar)).
- Fixed llama.cpp streamed responses reporting zero token usage and leaving session context accounting empty. See [llama.cpp](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/llama-cpp.md) ([#7258](https://github.com/earendil-works/pi/pull/7258) by [@SteveImmanuel](https://github.com/SteveImmanuel)).
- Fixed session replacement and committed tree navigation during an active response to abort and persist the outgoing turn instead of leaving dangling tool calls. See [Sessions](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/usage.md#sessions) ([#7022](https://github.com/earendil-works/pi/pull/7022) by [@tmustier](https://github.com/tmustier)).
- Fixed failed Git package installs leaving partial directories that blocked clean retries. See [Install and Manage](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/packages.md#install-and-manage) ([#7210](https://github.com/earendil-works/pi/pull/7210) by [@haoqixu](https://github.com/haoqixu)).
- Fixed the `/model` selector retaining a stale selection while filtering instead of highlighting the top match ([#7211](https://github.com/earendil-works/pi/pull/7211) by [@christianbasch](https://github.com/christianbasch)).
- Fixed direct RPC bash commands bypassing extension `user_bash` handlers. See [User Bash Events](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/extensions.md#user-bash-events) ([#7214](https://github.com/earendil-works/pi/pull/7214)).
- Fixed skills, prompts, and themes losing package source metadata after extensions reload resources. See [Resource Events](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/extensions.md#resource-events) ([#6968](https://github.com/earendil-works/pi/issues/6968)).
- Fixed cancellation of concurrently running user bash commands so every active command is aborted ([#7103](https://github.com/earendil-works/pi/pull/7103) by [@yzhg1983](https://github.com/yzhg1983)).
- Fixed duplicate messages appearing when extensions switch sessions during interactive startup ([#7110](https://github.com/earendil-works/pi/pull/7110) by [@yzhg1983](https://github.com/yzhg1983)).
- Fixed inherited Qwen Token Plan reasoning models to send their service-specific thinking controls and supported reasoning-effort levels ([#6951](https://github.com/earendil-works/pi/issues/6951), [#6998](https://github.com/earendil-works/pi/issues/6998)).
- Fixed inherited Z.AI output limits being sent through an unsupported parameter. See [Providers](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/providers.md) ([#7174](https://github.com/earendil-works/pi/pull/7174) by [@HyeokjaeLee](https://github.com/HyeokjaeLee)).
- Fixed explicitly configured Amazon Bedrock profiles being overridden by ambient AWS access keys. See [Amazon Bedrock](https://github.com/earendil-works/pi/blob/v0.83.0/packages/coding-agent/docs/providers.md#amazon-bedrock) ([#7176](https://github.com/earendil-works/pi/pull/7176) by [@christianbasch](https://github.com/christianbasch)).
- Fixed inherited image fallback paths overflowing narrow terminals, shortened home-directory paths, and made absolute paths clickable when terminal hyperlinks are available ([#7262](https://github.com/earendil-works/pi/pull/7262)).
- Fixed inherited OpenAI-compatible tool calls losing their function arguments when malformed deltas also contain an empty `custom` object ([#7288](https://github.com/earendil-works/pi/pull/7288) by [@sunnyyoung](https://github.com/sunnyyoung)).
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