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wiki:ReleaseNotes/0.12.1

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Release Notes for HelenOS 0.12.1

HelenOS 0.12.1 (Cathode) was released on December 16, 2022.

This document contains a summary of changes made to HelenOS since
release 0.11.2.

  * See also  Screencast HelenOS 0.12.1 - What's new? - Screencast

Special Notes for this Release

Features Introduced in This Release

General

  * HelenOS build for 486 CPU works correctly again
  * HelenOS works correctly in Qemu -M isapc

Kernel

  * Fixed ia32 kernel deadlocking during boot if lazy FPU context
    switching is disabled during build
  * Fixed km_unmap_unaligned() trying to unmap the entire kernel ASID
    - fixes kernel test mapping1 on sparc64

User Interface

  * Added the Task Bar (a panel containing a clock and buttons for
    switching the active window)

        Task bar

  * Menu can be navigated more quickly using the keyboard thanks to
    accelerator keys support

        Menu with highlighted accelerators

  * Added scrollbars

        Horizontal scrollbar

  * Resizable windows can now be maximized/unmaximized (e.g. UI Demo)

        Title bar with maximize button Title bar with unmaximize
        button

  * File dialogs now actually allow browsing files

        File dialog with browsing

  * Window captions are abbreviated with ... if they are too long

        Window caption abbreviation

Services and Drivers

  * Graphical mode is now used for Qemu/sun4u thanks to improved
    driver support
  * HelenOS in Qemu -M isapc now correctly falls back to EGA text
    mode
      + Correctly detect that the Qemu SuperVGA adapter does not
        support linear frame buffer in this case
  * Fixed graphical console not displaying correctly in resolutions
    greater than 1024x768
  * Fixed arrow keys not working in VirtualBox
  * Fixed Intel HD audio stuttering in VirtualBox
  * Fixed audio server (Hound) crashing at the end of playback
  * Fixed some platforms shipping all (i.e. even irrelevant) drivers

File Systems

Networking

  * Fixed netecho failing to send any messages
  * Fixed two issues in DHCP client that prevented it from working
    properly in VirtualBox

Applications

  * Barber now has a proper window caption (which is rendered
    abbreviated)

Libraries

  * User interface library (libui)
      + Fixed two use-after-free bug when closing a window / dialog
        that could lead to random application crashes
      + Added File List control (used in file dialog)
  * Text rendering library (libgfxfont)
      + gfx_puttext() can now abbreviate text that does not fit
        within the specified width with ...

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.

Last modified 2 weeks ago Last modified on 2022-12-16T17:57:46Z

Attachments (7)

  * abbrev.png  (2.6 KB) - added by Jiri Svoboda 4 weeks ago. `Window
    caption abbreviation'
  * filedialog.png  (3.4 KB) - added by Jiri Svoboda 4 weeks ago.
    `File dialog with browsing'
  * maximize.png  (567 bytes) - added by Jiri Svoboda 4 weeks ago.
    `Title bar with maximize button'
  * menu_accel.png  (3.2 KB) - added by Jiri Svoboda 4 weeks ago.
    `Menu with highlighted accelerators'
  * scrollbar.png  (438 bytes) - added by Jiri Svoboda 4 weeks ago.
    `Horizontal scrollbar'
  * taskbar.png  (956 bytes) - added by Jiri Svoboda 4 weeks ago.
    `Task bar'
  * unmaximize.png  (658 bytes) - added by Jiri Svoboda 4 weeks ago.
    `Title bar with unmaximize button'

Download all attachments as: .zip

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