have been enhanced. Palm OS 3.0 Palm OS 3.0 was introduced on March 9, 1998 with the launch of the Palm III series. This version adds IrDA infrared and enhanced font support. This version also features updated PIM applications and an update to the application launcher. Palm OS 3.1 adds only minor new features, like network HotSync support. It was introduced with the Palm IIIx and Palm V. The last bugfix release is version 3.1.1. Palm OS 3.2 adds Web Clipping support, which is an early Palm-specific solution to bring web-content to a small PDA screen. It was introduced with the Palm VII organizer. Palm OS 3.3 adds faster HotSync speeds and the ability to do infrared hotsyncing. It was introduced with the Palm Vx organizer. Palm OS 3.5 is the first version to include native 8-bit color support. It also adds major convenience features that simplify operation, like a context-sensitive icon-bar or simpler menu activation. The datebook application is extended with an additional agenda view. This version was first introduced with the Palm IIIc device. The latest bugfix release is version 3.5.3. As a companion, Palm later offered a Mobile Internet Kit software upgrade for Palm OS 3.5. This included Palm's Web Clipping software, MultiMail (which was later renamed to VersaMail) Version 2.26 e-mail software, handPHONE Version 1.3 SMS software, and Neomar Version 1.5 WAP browser. Palm OS 4.0 Palm OS 4.0 was released with the new Palm m500 series on March 19, 2001. This version adds a standard interface for external file system access (such as SD cards). External file systems are a radical change to the operating system's previous in-place execution. Now, application code and data need to be loaded into the device's RAM, similar to desktop operating system behavior. A new Universal Connector with USB support is introduced. The previous optional Mobile Internet Kit is now part of the operating system. Version 4.0 adds an attention manager to coordinate information from different applications, with several possibilities to get the user's attention, including sound, LED blinking or vibration. 16-bit color screens and different time zones are supported. This version also has security and UI enhancements. Palm OS 4.1 is a bugfix release. It was introduced with the launch of the Palm i705. The later minor OS update to version 4.1.2 includes a backport of Graffiti 2 from Palm OS 5.2. Palm OS 4.2 Simplified Chinese Edition is