> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lagerdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Version 0.55.1

> October 12, 2026

## <u>Upgrade Notes</u>

* **Update your boxes.** The PicoScope fixes and the nrfutil removal run on the box. Run
  `lager update --box <box-name>` after you upgrade the CLI.
* **The box image no longer installs nrfutil.** The image also drops the nrfutil
  `nrf5sdk-tools` and `device` commands, and it no longer sets `NRFUTIL_HOME`. Lager did not
  call nrfutil. A script that runs nrfutil on the box must now install it.

## <u>Bug Fixes</u>

* **`lager install` asked for the sudo password more than once on a fresh box.** Docker, the
  buildx plugin and the PicoTech SDK each installed in a separate sudo session. They now
  install in one session, with or without Docker. The CLI checks the official buildx binary
  against a pinned SHA-256 before it installs it. A box that is already installed asks for the
  password one more time on its next `lager install`.
* **A streaming PicoScope did not start again after a replug.** The daemon opened the unit
  again, but the Pico driver still held the previous run. Start failed until you ran
  `lager scope <net> stop`, and the page kept the last trace. Start after a replug now runs on
  a new session, and the page says that the scope was unplugged.
* **A PicoScope that you just plugged in reported as wedged.** The driver can take about a
  minute to open a cold-plugged unit. During that minute, each command said to reconnect the
  scope, and a reconnect started the wait again. Commands now say that the open is in progress
  and how long it has run. Only an open that runs past two minutes says to unplug the scope.
* **The battery and supply TUIs printed a traceback on exit.** A quit from
  `lager battery <NET> tui` or `lager supply <NET> tui` during state updates printed a
  `NoMatches` traceback after the TUI closed. The traceback no longer occurs. `q`, `quit` and
  `exit` at the prompt now also tell the box to stop monitoring, as Ctrl+C did.
* **Ctrl+C did not quit the battery and supply TUIs on older Textual releases.** On releases
  such as Textual 3.2.0, the command input took Ctrl+C as copy, even with no selection. Ctrl+C
  now copies when you select text and quits when you do not.

## <u>Installation</u>

To install this version:

```bash theme={null}
pip install lager-cli==0.55.1
```

To upgrade from a previous version:

```bash theme={null}
pip install --upgrade lager-cli==0.55.1
```

Then update your boxes:

```bash theme={null}
lager update --box <box-name>
```

## Resources

[View Release on PyPI](https://pypi.org/project/lager-cli/0.55.1/)


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