GNS3 1.2.1 version has released on 5th December 2014, and they have introduced a couple of fixes like:
- Early support for IOSv and IOSv-L2 (with Qemu for now, which is slow on Windows/Mac OS X).
- Support for CPU throttling and process priority for Qemu.
- Support for full screen mode (View -> Fullscreen).
- Bundled Qemu 0.13.0 in the Windows all-in-one. Default for all local Qemu VMs.
- Bundled Qemu 0.14.1 in the Mac OS X App. Default for all local Qemu VMs.
- Changed ASA defaults to use Qemu 0.13.0 (on Windows), have 4 interfaces and CPU throttling to 65%.
- Fixed SecureCRT command line when space in the device name.
- Fixed C7200 IO cards insert/remove issues and makes C7200-IO-FE the default.
- Fixed port sorting issues.
- Added default path for VBoxManage on Mac OS X
- Upgraded gns3-converter to version 1.1.1 for Windows all-in-one and Mac OS X DMG.
- New idle-PC field validation.
- Possibility to load the project from command line (or double-click on a project on Windows).
- Fixed Unicode error when using VirtualBox VM with a name containing non-english characters.
- Updated the IOU VM with iouyap version 0.95 (packet capture).
From Source: GNS Community
A copy of GNS3 1.2.1 for Windows can be download from this link GNS community download source
A copy of GNS3 1.2.1 for Windows can be download from this link GNS community download source