# Pi 0.84.1: Qwen Token Plan provider, auth check, fullscreen selection

> Adds Qwen Token Plan Individual as a built-in provider, a `pi auth check` command for credential preflight checks, and improved fullscreen TUI interaction (word/paragraph selection, half-page scrolling). Extension tool_call handlers can now terminate all-terminating batches without an extra model call.

| | |
|---|---|
| **Tool** | Pi |
| **Version** | v0.84.1 |
| **Kind** | release |
| **Published** | 2026-08-07 |
| **Observed** | 2026-08-21 |
| **Significance** | 2/5 |
| **Breaking** | no |
| **Categories** | feature, fix |

## What changed


**Added**
- Qwen Token Plan Individual as a built-in provider with documented subscription model catalog
- `pi auth check` command for provider/model credential preflight, optionally emitting the resolved credential
- Extension `tool_call` handlers can now signal `terminate` on all-terminating batches to skip the automatic follow-up model call
- Fullscreen mode: double-click word selection, triple-click paragraph selection, granularity-aware drag selection
- Fullscreen mode: half-page transcript scrolling actions

**Fixed**
- Bun standalone binaries no longer crash on startup when cwd contains `bunfig.toml` with `preload` (compiled with `--no-compile-autoload-bunfig`)
- Extension TUI method wrappers no longer recurse indefinitely when delegating to the original method
- Right-click pastes clipboard text in fullscreen mode on Windows
- `Agent.reset()` now rejects until the agent is idle instead of clearing state mid-run
- LaTeX spacing and matrix composition fixes
- Reduced fullscreen mouse event volume under tmux/Zellij/GNU Screen by using button-motion instead of all-motion tracking


## Sources

- [github_release](https://github.com/earendil-works/pi/releases/tag/v0.84.1) — retrieved 2026-08-21


## Community

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and never blended._

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Canonical: https://changelogs.info/pi/v0-84-1
Entity: https://changelogs.info/pi
Event ID: `evt_2026-08-07_pi_v0-84-1`
Licence: event synthesis © changelogs.info, CC BY 4.0. Linked sources belong to their vendors.