Release notes/13.2.1

Overview

OLPC OS 13.2.1 is a software release focusing on adding support for the SIV121C camera, and improving wireless performance.

Features

• added support for the SIV121C camera sensor, necessary for new production orders, and available as a spare part in bulk for XO-1, XO-1.75, and XO-4, see 12785,
• added support for local network service discovery, for compatibility with third-party school server or content appliances, such as Internet-in-a-Box and Khan Academy on Raspberry Pi, <trac>12730</trac>,
• XO-4, lengthen power button long press for forced shutdown, from two to five seconds, required for Android support, will cause user complaints if not managed,
• XO-4, dual boot menu in firmware, required for Android and OLPC OS composite builds, but has no impact if Android not included in build,

Bug fixes

Usability

• XO-4, improved wireless download performance with 8787 wireless module, <trac>12694</trac>,
• XO-1, XO-1.5, XO-1.75, and XO-4, improved network scan with 8686 wireless module, see 12757 for impact, and <trac>12757</trac>,

Deployment

• improved firmware compatibility with recent USB flash drives,
• XO-1, restore support for booting from external SD card slot, see 11233 for instructions, and <trac>11233</trac>,
• XO-1.5, fix to SIV120D camera test in firmware, <trac>12625</trac>,
• XO-1.5, XO-1.75 and XO-4, restore support for four game key boot from network, <trac>12740</trac>,
• XO-4, fix for constant power CP configuration setting in firmware, for when a laptop is used as a server, <trac>12751</trac>
• XO-4, fix for adhoc-start failure when used with test-antenna,
• XO-4, fix to prevent leaving battery discharge mode enabled after a battery capacity test,

Development

• XO-1 and XO-1.5, fix for booting new Linux kernels from version 3.9 onwards, <trac>12727</trac>,
• XO-1.5, remove display noise after firmware self test, <trac>12734</trac>,
• minor fix to firmware self test, where WLAN test fails after NTP is used, <trac>12735</trac>,
• minor fix to firmware display driver, prevent unexpected screen clearing, <trac>12765</trac>
• XO-1.75 respin of key injector,
• firmware screenshot tools, for use in preparing documentation,
• XO-1.75 and XO-4, add boost firmware command for switching battery charger on,
• XO-1.75 respin of sdkit, the firmware software development kit.

Installation

Not yet available.

Update

Not yet available.

Known problems

This section lists significant known issues that we hope to solve in future releases.

If deployments have solid plans and schedules to deploy this release but feel blocked by some of these issues in particular, they are encouraged to get in contact with OLPC far in advance of the installation date. OLPC may be able to produce a limited scope point-release fixing highlighted issues.

See Release notes/13.2.0.