Apple today announced iOS 8 and OS X 10 Yosemite at its WWDC14 Keynote in San Francisco. Relive the WWDC14 keynote with our expert bloggers, with iOS8 and OS X 10 new features, details. See: How to watch WWDC 2015 live.

Another year has passed and it's time for WWDC 2015 where Apple is expected to announce iOS 9, OS X 10.11, new Apple TV and more. This page is about last year's developer conference but if you've landed here then you can still get live coverage of WWDC 2015 with the live blog below. However, you're best off clicking the above link to get all the latest news and details.

Apple today opened its annual developer conference with a keynote speech watched by millions around the world. Our expert bloggers bought you the detail, flavour and analysis first, and you relive the keynote by following our WWDC14 Keynote, as it happened below. As expected, the main announcements were iOS 8 and OS X Yosemite. There was no surprise iPhone 6 or iWatch announcement. (We'll also tell you how to watch the WWDC14 Keynote video stream. Apple has certain rules on how you can watch the live video stream of WWDC so see below for details.)

For more on those products see iPhone 6 release date, price, specs and new features: When is iPhone 6 coming out? and Apple iWatch release date, specs, rumours: Autumn 2014 launch for Apple's smartwatch.

WWDC14 Keynote: iOS 8

Apple's biggest announcement today was iOS 8: the latest operating system for iPhone, iPad and iPod.

Apple described iOS 8 as 'the biggest release since the launch of the App Store'. There are new features for users, and a whole new toolset to allow developers to create new apps.

Apple said that iOS 8 delivers a 'simpler, faster and more intuitive user experience'. This includes a new Health app. This combines with health monitoring tech and apps to give you a clear overview of your health and fitness. Family Sharing is another key new app. It lets you share purchases, photos and calendars within the same household.  

Other new features include iCloud Photo Library, which lets you enjoy- and share photos and videos across Apple devices. New Messages features allow you to share voice-, video and photo messages with just a swipe. iOS 8 also includes predictive typing for Apple's QuickType keyboard. Finally iCloud Drive lets you can store files and access them from anywhere.

iOS 8 won't launch until later this year. For now, it's available only to registered Apple developers, who will be busy testing the new version of iOS on their devices.

We're expecting iOS 8 to be available as a free upgrade for existing owners in September, when the iPhone 6 becomes available. Whether the outgoing iPhone 4S will be compatible with iOS 8 is unknown. iPhone 5, 5C and 5S owners can be fairly certain to get it. For more detail see: iOS 8 release date, new features in iOS 8.

WWDC14 Keynote: OS X 10 Yosemite

Apple also tonight announced the next version of Mac OS X: OS X 10.10 Yosemite. Yosemite will bring new levels of interaction between Macintosh computers and other Apple devices when it is also made available for free early in the fourth quarter, according to Apple.

Like iOS 8, OS X Yosemite is available now to developers, and will be free when it is released in the Autumn.

With Yosemite, users will be able to answer incoming calls to their iPhone from their Mac desktop or Macbook Pro, for instance. When a call comes in, the caller ID pops up on the Mac screen and the user can answer it there, using the Mac like a speaker phone.

Another change in is how an activity started on one device can be picked up easily on another. If you're looking at a Safari webpage in Yosemite on a Mac, for instance, and then pick up your iPad, swiping up on the screen of the iPad will load that same webpage there.

The capabilities come from a feature in Yosemite that Apple calls Continuity. It allows the Macbook to detect other Apple devices in close proximity and share functionality and tasks in new ways.

Apple is also expanding AirDrop, which until now has been used to share files among iOS devices. With Yosemite, AirDrop will enable file sharing among iPhones and iPads as well as Yosemite Macs and Macbook Pros. See also: WWDC 2014 Apple event: iOS 8, OS X 10.10 coming

iOS 8 at WWDC

WWDC 2014 Keynote: as it happened

How to watch WWDC: Live video stream

As usual, Apple's Special Event on 2 June (WWDC) will be broadcast as a live video stream around the world. It will take place at 10am PDT which will be 6pm UK time for all of you watching in Blighty.

Apple puts restrictions on the live video stream so you'll have to jump through certain hoops to join the fun. You need to watch on Safari 4 or later on OS X 10.6 or later; or Safari on iOS 4.2 or later (iPad, iPhone and iPod).

Streaming via Apple TV requires second- or third-generation Apple TV with software 5.0.2 or later.

WWDC live: What to expect

Just because the event has developer in the title doesn't mean that it's all going to be boring stuff about code and SDKs. In fact, Apple tends to use it as a platform to announce and launch new products.

This year's WWDC looks set to be a bumper one for new Apple products too with plenty of rumours flying around on what will be announced. We've grouped the all the rumours into three different categories of how likely they are.

WWDC products: Definitely

WWDC is a software focussed event so we fully expect Apple to announce and give details on both iOS 8 and OS X 10.10.

WWDC products: Maybe

Last year Apple announced new Mac products so it's certainly possible it will do the same again this year including a new Mac mini, iMacs and MacBooks – maybe a Retina quality MacBook Air. There are also a lot of rumours around smart home and this could well be a part of this year's event. If it is, we expect a new version of the Apple TV and possibly even the Apple iTV.

WWDC products: Unlikely

Apple is known for its 'one last thing' surprises but we don't think the iPhone 6, iWatch, iPad 6 or iPad mini 3 will be unveiled at WWDC. These are likely to be confirmed and unveiled in autumn, probably September.

See also: iPhone 6 release date, price, specs and new features: When is iPhone 6 coming out?

If the thought of all these shiny new Apple products gets you excited, here's how to watch WWDC live.