v2.9.2

rasbt/LLMs-from-scratchv2.9.2Apr 10, 2026by github-actions[bot]
AI Summary

This release focuses on improving release reliability and TUI stability. It adds an automated smoke test for release artifacts and fixes a critical bug where the TUI would freeze or output blank text during large prompts on the Claude backend.
Key Highlights

Added automated smoke test for `cargo install` to catch broken artifacts faster
Fixed Claude + TUI blank/stuck output on large prompts by resolving PTY stdin deadlock
Expanded authentication environment variable detection for Pi and Roo backends
Documented the Pi backend in the backend guide
New Features

Automated smoke test for release artifacts
Expanded authentication environment variable detection for Pi and Roo backends
Pi backend documentation
Full Release Notes

## Release Notes

### Changed

- Added a post-publish `cargo install` smoke test to the release workflow for faster detection of broken release artifacts.
- Expanded `ralph doctor` auth environment variable detection for the Pi and Roo backends.
- Documented the Pi backend in the backend guide.

### Fixed

- Fixed Claude + TUI blank/stuck output on large prompts by avoiding the PTY stdin deadlock in non-interactive PTY execution.

# ralph-bench 2.9.2

## Install ralph-bench 2.9.2

### Install prebuilt binaries via shell script

```sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-installer.sh | sh
```

### Install prebuilt binaries into your npm project

```sh
npm install @ralph-orchestrator/ralph-bench@2.9.2
```

## Download ralph-bench 2.9.2

|  File  | Platform | Checksum |
|--------|----------|----------|
| [ralph-bench-aarch64-apple-darwin.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-aarch64-apple-darwin.tar.xz) | Apple Silicon macOS | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-aarch64-apple-darwin.tar.xz.sha256) |
| [ralph-bench-x86_64-apple-darwin.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-x86_64-apple-darwin.tar.xz) | Intel macOS | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-x86_64-apple-darwin.tar.xz.sha256) |
| [ralph-bench-aarch64-unknown-linux-gnu.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-aarch64-unknown-linux-gnu.tar.xz) | ARM64 Linux | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-aarch64-unknown-linux-gnu.tar.xz.sha256) |
| [ralph-bench-x86_64-unknown-linux-gnu.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-x86_64-unknown-linux-gnu.tar.xz) | x64 Linux | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-bench-x86_64-unknown-linux-gnu.tar.xz.sha256) |

# ralph-cli 2.9.2

## Install ralph-cli 2.9.2

### Install prebuilt binaries via shell script

```sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-installer.sh | sh
```

### Install prebuilt binaries into your npm project

```sh
npm install @ralph-orchestrator/ralph-cli@2.9.2
```

## Download ralph-cli 2.9.2

|  File  | Platform | Checksum |
|--------|----------|----------|
| [ralph-cli-aarch64-apple-darwin.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-aarch64-apple-darwin.tar.xz) | Apple Silicon macOS | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-aarch64-apple-darwin.tar.xz.sha256) |
| [ralph-cli-x86_64-apple-darwin.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-x86_64-apple-darwin.tar.xz) | Intel macOS | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-x86_64-apple-darwin.tar.xz.sha256) |
| [ralph-cli-aarch64-unknown-linux-gnu.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-aarch64-unknown-linux-gnu.tar.xz) | ARM64 Linux | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-aarch64-unknown-linux-gnu.tar.xz.sha256) |
| [ralph-cli-x86_64-unknown-linux-gnu.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-x86_64-unknown-linux-gnu.tar.xz) | x64 Linux | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-cli-x86_64-unknown-linux-gnu.tar.xz.sha256) |

# ralph-api 2.9.2

## Install ralph-api 2.9.2

### Install prebuilt binaries via shell script

```sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-installer.sh | sh
```

### Install prebuilt binaries into your npm project

```sh
npm install @ralph-orchestrator/ralph-api@2.9.2
```

## Download ralph-api 2.9.2

|  File  | Platform | Checksum |
|--------|----------|----------|
| [ralph-api-aarch64-apple-darwin.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-aarch64-apple-darwin.tar.xz) | Apple Silicon macOS | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-aarch64-apple-darwin.tar.xz.sha256) |
| [ralph-api-x86_64-apple-darwin.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-x86_64-apple-darwin.tar.xz) | Intel macOS | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-x86_64-apple-darwin.tar.xz.sha256) |
| [ralph-api-aarch64-unknown-linux-gnu.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-aarch64-unknown-linux-gnu.tar.xz) | ARM64 Linux | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-aarch64-unknown-linux-gnu.tar.xz.sha256) |
| [ralph-api-x86_64-unknown-linux-gnu.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-x86_64-unknown-linux-gnu.tar.xz) | x64 Linux | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-api-x86_64-unknown-linux-gnu.tar.xz.sha256) |

# ralph-e2e 2.9.2

## Install ralph-e2e 2.9.2

### Install prebuilt binaries via shell script

```sh
curl --proto '=https' --tlsv1.2 -LsSf https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-installer.sh | sh
```

### Install prebuilt binaries into your npm project

```sh
npm install @ralph-orchestrator/ralph-e2e@2.9.2
```

## Download ralph-e2e 2.9.2

|  File  | Platform | Checksum |
|--------|----------|----------|
| [ralph-e2e-aarch64-apple-darwin.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-aarch64-apple-darwin.tar.xz) | Apple Silicon macOS | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-aarch64-apple-darwin.tar.xz.sha256) |
| [ralph-e2e-x86_64-apple-darwin.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-x86_64-apple-darwin.tar.xz) | Intel macOS | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-x86_64-apple-darwin.tar.xz.sha256) |
| [ralph-e2e-aarch64-unknown-linux-gnu.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-aarch64-unknown-linux-gnu.tar.xz) | ARM64 Linux | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-aarch64-unknown-linux-gnu.tar.xz.sha256) |
| [ralph-e2e-x86_64-unknown-linux-gnu.tar.xz](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-x86_64-unknown-linux-gnu.tar.xz) | x64 Linux | [checksum](https://github.com/mikeyobrien/ralph-orchestrator/releases/download/v2.9.2/ralph-e2e-x86_64-unknown-linux-gnu.tar.xz.sha256) |