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 ​Git master. (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

General

Kernel

User Interface

Services and Drivers

• ATA/ATAPI disk driver
  • Allow transferring more than one block in a single I/O operation
  • Added IRQ support
  • Generic ATA code factored out to new libata library
  • Renamed from ata_bd to isa-ide
• Added PCI IDE disk driver
  • Supports DMA (much faster in virtualization/emulation than PIO)

File Systems

Networking

Applications

• HelenOS benchmark tool (hbench)
  • Added random disk read (rand_read) benchmark
  • Added sequential disk read (seq_read) benchmark

Libraries

• Device driver library (libdrv)
  • Driver can now specify argument to IRQ handler
    • To help distinguish between different interrupts on the same device
• Internet library (libinet)
  • Fixed bug where most IPv6 addresses failed to parse
• Dynamic linker
  • Main executable's relocations are now processed last
    • Fixes ticket #871

Miscellaneous

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.