Y-OS/Version History

Y-OS 1.0

 * Inital release at the launch, announced in late-1995.
 * Inital release of applications: Y-Data(group data), Y-Service(connection set of tools), Y-Schedule(calendar and to-do list), Y-Bench, Y-Jigsaw(puzzle picture game), Y-Number(number puzzle game), Y-Chess(chess game)
 * Inital reelease of programs: Calculator, Paint, Notes, Card View, Audio Recorder, Audio Player, Address Book, Clipboard, Terminal, File Manager, Personal Use, PCs Accesibility, Video Message, Sync PCs, Preferences, Help & Info.
 * Y-OS's unamed Internet Web Browser is based on Internet Explorer 3, it was replaced by Y-OS 2.0's Y-Connection (now Pipe Connect).
 * Java applet support.
 * TCP/IP, networking support, password crenditals manager.
 * 67 Pack of Applications, Programs, Settings, and Preferences.
 * Based RexU 1.0 and modified Unix kernel.

Y-OS 2.0

 * Added new applications: Y-Connection (Web browser and network manager), Y-Mail (Email client service), Y-Meeting (instant messaging and videoconferencing client), Y-Show (movie video player), Y-Beautiful (image organizer and management), Y-Memo (text editor), Y-Writing (basic word processor),

Y-OS 2.1

 * Added new applications: Y-Tune (music player), Y-Book (scrapbook and notetaking), Y-Network (internet access service), Y-Drive (disk management), Y-Office (office productivity suite).
 * MP3 player support since 2.1 December 1998 Update.

Y-OS 3.0

 * USB robust support.
 * Support more color screens up to 16.7M colors(24/32-bit color depth)
 * Supports more screen resolutions up to 1440x768, with third-party drivers up to 2048x1536.
 * Supports more screen resolutions up to 1440x768, with third-party drivers up to 2048x1536.

Y-OS Quatro

 * Based RexU 2.0 and modified Unix kernel.

Y-OS Cinco

 * New and modern-like UI, removal of Classic theme interface.
 * New icons, preferences, kernels, and styles. Like Air, Slate, White, Flat, Edge, etc.
 * Based on RexU 2.1 and modified Unix kernel.
 * Windows Networking (Initally released on Premium Feature-On Pack, but was later added in 5.24 in 2002.)

Y-OS Fresh

 * Extended 5-year support OS until 2010.
 * Improved USB support.
 * Based RexU 3.0(3.1-3.4 on Y-OS 64) and modified Unix kernel.

Y-OS 8

 * Renamed Applications: YConnect,
 * Based RexU 4.0 and modified Unix kernel.

Y-OS 9

 * More USB and Bluetooth enhancements.
 * Inital released on smartphones and feature phones(on 8.56).

Y-OS Square

 * New and redesigned UI, remaining desktop interface.
 * Support for ARM processors, while PowerPC processor is no longer supported.
 * Quick Taskbar was replaced by Pinning Taskbar.
 * Application Store for Y-OS (now known as Y-Applications).
 * Based RexU 11 and modified Unix kernel.

Y-OS Square X2.0

 * Based RexU 12 and modified Unix kernel.

Y-System X3

 * A new version Rex-V and based on RexU V.
 * New design, non-skewomorphic interface, theme, and user experience.