Version 7 (modified by Jiri Svoboda, 11 years ago) ( diff )

df, rfb, DHCP, download

Release Notes for HelenOS mainline

Note: This document is a draft describing a future HelenOS release and is subject to change. The software described here has not been released yet. To get these latest and greatest features now, check out our Bazaar mainline. (But you will also get the latest bugs).

HelenOS version (codename) was released on date.

This document contains a summary of changes made to HelenOS since release previous release.

Special Notes for this Release

Features Introduced in This Release


  • Simple windowing GUI
  • Audio support
  • Support for BeagleBoard XM


  • Tasks are allowed to terminate even if they have unanswered IPC messages.
  • Support for guard pages.
  • Support for large user stacks.
  • Kernel serial driver for arm32/IntegratorCP

Services and Drivers

  • CMOS real time clock driver
  • Input driver for the isdv4 tablet
  • The input server now supports Arabic keyboard layout.
  • Converted the ATA driver ata_bd to DDF
  • Sound Blaster 16 audio driver (works in Qemu)
  • Remote framebuffer protocol (a.k.a. VNC) server

File Systems

  • The read-only ext2fs server was superseded by a more complete ext4fs server, with write support and some aspects of ext3 and ext4.
  • Read-only UDF support in the new udf server.
  • Display disk usage / free space information — df utility


  • Initial IPv6 support
  • DNS host name resolution
  • Automatic network configuration via DHCP
  • SLIP protocol support
  • HTTP downloader tool download


  • bithenge
  • Added date command.
  • Usability improvements of the edit command


  • New automatically resizing hash table container type.
  • Userspace logging framework and logger.
  • printf() support for floating point numbers.


Regressions in This Release

  • For the list of regressions since the previous release, see this report.
  • Notable regressions

Fixed Logged Bugs & Enhancements

  • For the list of all logged defects fixed in this release, see this report.
  • For the list of all logged enhancements integrated in this release, see this report.

Known Bugs

  • For the list of known bugs still not fixed in this release, see this report.
  • For the list of all open tickets, see this report.

Attachments (2)

  • edit.png (4.0 KB ) - added by Jiri Svoboda 3 years ago. Text Editor ported to UI library (with menu bar and dialog window)
  • nav.png (13.9 KB ) - added by Jiri Svoboda 3 years ago. Navigator (HelenOS file manager)

Download all attachments as: .zip

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