2005.11.09
V3.4c
. Now can reach the max volume.
. Now the progress bar can reach the top.

2005.10.15
V3.4b
. Fixed a compatibility problem with Windows 2000.

2005.09.24
V3.4a
+ Now uses different gradient colors to indicate current mute status.
. Fixed text redrawing problems on some computers.
. Fixed a bug which does not update the tray icon color while changing to a device with different mute status.

2005.08.05
V3.4
+ Improved wheel double click detection with mouse movement checking and the using of system double-click time interval settings.
+ Changed icon from gray to green.
+ Mute indication by different system tray icons.

2005.7.31
V3.3
+ Now can double click mouse wheel to toggle "Mute" status.
+ Now indicator fades out.
. Fixed a bug which increases the volume without limit.

2005.5.01
V3.2
+ Added auto-start function.
+ Added iVol Installer for easier installation.

2005.4.27
V3.1a
. Brings the indicator to the foreground when the mouse is over it. This is to enable the scroll-to-adjust function while the indicator is shown and mouse is over it.

2005.4.26
V3.1
+ Indicator can be shown at different positions relative to the mouse cursor: Below, Upper Right, Upper Left, Lower Right, Lower Right, or Hide.

2005.4.25
V3.0
+ Indicator stays while mouse is over it. (Can be disabled.)
+ While over the indicator, 
  Right-click to switch to next device;
  Left-click to switch to previous device;
  Wheel Up/Down to adjust volume.

V2.0
+ Windows XP Theme support.
+ Press and scroll Wheel to adjust volume.
+ Automatic UI language for Chinese and English.

V1.0
+ Basic Funcions.
  SHIFT + Wheel to adjust volume.
  ALT + Wheel to change device.