Saurik just released Cydia installer version1.1.14 update for iOS 8. The new Cydia update includes;

• Fixed iOS 8 passcode issue
• Add multitasking support on iOS 8
• Rotation support for iPhone 6 Plus
• New window & hijack blocking
• Fixed Video playing issue and any more….

 

Now Cydia is available for direct download on your jailbroken iOS 8 device. If not already jailbreak, this is the link Pangu jailbreak for iOS 8. After that You are able to download Cydia without any doubt through Pangu8 app in the Home screen.

Update # : Now there is an update as latest to Cydia installer 1.1.15  It has removed Landscape mode (Rotation) from all unsupported devices and  Cydia is not supposed to landscape mode on any devices other than iPads and iPhone 6 Plus.

Cydia 1.1.15

• Fix incompatibility with cache wipers (such as iCleaner) that cause Cydia to crash when you try to run it after.
• Correct rotation to only on tablets to match Apple’s UI style guidelines.
• Make Installed tab icon consistent.