Qt为啥从4.8直接就跳到5.3了呢?这不科学吧

http://qt-project.org/downloads

Qt 5.3

Select the file according to your operating system from the list below to get the latest Qt 5.3 for your computer. The binary packages include Qt 5.3.0 libraries and Qt Creator 3.1.1

Qt is available under GPL v3, LGPL v2 and a commercial
license. Learn more about licenses here.

Develop with a Qt Enterprise Commercial License

The Qt Enterprise commercial license offers varied licensing terms and includes additional functionality, support and product updates.

• Learn more and evaluate Qt Enterprise here (qt.digia.com)

• Qt
  Online Installer for Linux 32-bit (23 MB) (Info)
• Qt
  Online Installer for Linux 64-bit (22 MB) (Info)
• Qt
  Online Installer for Mac (9 MB) (Info)
• Qt
  Online Installer for Windows (14 MB) (Info)
• Qt
  5.3.0 for Android (Linux 32-bit, 515 MB) (Info)
• Qt
  5.3.0 for Android (Linux 64-bit, 513 MB) (Info)
• Qt
  5.3.0 for Android (Windows 32-bit, 813 MB)(Info)
• Qt
  5.3.0 for Linux 32-bit (445 MB) (Info)
• Qt
  5.3.0 for Linux 64-bit (442 MB) (Info)
• Qt 5.3.0
  for Mac (452 MB) (Info)
• Qt 5.3.0 for
  iOS (Mac, 910 MB) (Info)
• Qt
  5.3.0 for Android (Mac, 515 MB) (Info)
• Qt
  5.3.0 for Android and iOS (Mac, 972 MB) (Info)
• Qt
  5.3.0 for Windows 32-bit (MinGW 4.8.2, OpenGL, 734 MB)(Info)
• Qt
  5.3.0 for Windows 32-bit (VS 2010, OpenGL, 593 MB) (Info)
• Qt
  5.3.0 for Windows 32-bit (VS 2012, OpenGL, 616 MB) (Info)
• Qt
  5.3.0 for Windows 32-bit (VS 2013, 626 MB) (Info)
• Qt
  5.3.0 for Windows 32-bit (VS 2013, OpenGL, 616 MB)
• Qt
  5.3.0 for Windows 64-bit (VS 2013, 622 MB) (Info)
• Qt
  5.3.0 for Windows 64-bit (VS 2013, OpenGL, 636 MB) (Info)
• Qt
  5.3.0 for Windows RT 32-bit (731 MB) (Info)

  You can get split source packages from here. The source code is also available
  as a single zip (277 MB) (Info)
  file for Windows users or as tar.gz (223
  MB) (Info) file for Linux/Mac
  users. All the installers are available also here. Or visit the repository at qt.gitorious.org/qt

The MinGW binary package includes a 32 bit MinGW-builds (gcc 4.8.2, dwarf exception handing, posix threading) toolchain. Sources are available from the MinGW-builds
project or from download.qt-project.org.

The Windows offline installers are by default ANGLE based. If you want to know more about the differences between ANGLE and OpenGL packages on Windows, please visit Qt
5 on Windows ANGLE and OpenGL.

Qt 4.8

Select the file according to your operating system from the list below to get the latest Qt 4.8 for your computer

• Qt
  libraries 4.8.6 for Windows (MinGW 4.8.2, 328 MB) (Info)
• Qt
  libraries 4.8.6 for Windows (VS 2008, 235 MB) (Info)
• Qt
  libraries 4.8.6 for Windows (VS 2010, 236 MB) (Info)
• Qt
  libraries 4.8.6 for Linux/X11 (230 MB) (Info)
• Qt
  libraries 4.8.6 for Mac (185 MB) (Info) and debug
  libraries (476 MB) (Info)
• Qt
  libraries 4.8.6 for embedded Linux (230 MB) (Info)
• Qt
  libraries 4.8.6 for Windows CE (269 MB) (Info)

The source code is available as a zip (269
MB) (Info) or a tar.gz (230
MB) (Info). Or visit the repository
at qt.gitorious.org/qt.

Older versions

Qt 5.2, Qt 4.7 and all older versions of Qt are available in the archive.

Be sure to check if Qt is supported on your platform and read the installation notes that are located in the Qt
Documentation.