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Today is very exciting for us because we’ve just released a much anticipated update to our iPhone development platform — Unity iPhone 1.5.

Some of the highlights from this major point release include:

Significant Performance Boosts

  • Up to 3x faster than 1.0.3.
  • Performance critical paths rewritten to take advantage of VFP coprocessor, animation skinning is up to 4x faster.
  • Automatic batching of meshes to reduce draw calls.

Built-in Anti-piracy Protection

  • Identify if Apple DRM was removed from the application bundle and modify application behaviour accordingly.

More Power

  • Full support for native Objective C and C++ code opens full access to the iPhone 3.x APIs and custom plugins.
  • Access to video-playback, on screen keyboard support, and GPS/location services.
  • Support for 8-texture shading on iPhone 3GS with automatic fallbacks for iPhone 3G.

Better Docs

  • Detailed instructions on iphone-specific optimizations.
  • New 150 page tutorial to get you up to speed with iPhone game making.

Further information about this release, a download link for the update, and a link to the Penelope Tutorial can all be found here:


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  1. iPhone shake….

  2. Whoosh! Straight over my head…

    OK, the wikipedia history I like… particularly that the phrase could be “a borderline terrorist threat depending on what someone interprets it to mean”.

    Should we read anything into the phrase that followed: “You are on the way to destruction.” Captain, What you say!!!

    I feel suitably humbled :)

  3. @simonre: That tag line we’re using is a pun based off of the age old phrase “all your base are belong to us”. The phrase originated in an old school Sega game from 1991, have a read and catch up on a funny/important/interesting (?) bit of game development humor:

    Enjoy! :)

  4. Downloading now (my very slow link means I just have to wait)…

    In the meantime, what does your new subhead mean? All Your Phones are Belong to Us?

    Shouldn’t this be something like: “All your iPhones come to life with us” or “Bring your iPhone to life” or depending if you’re trying to make a point that Unity is great: “Without us, your iPhone would be dead” (but it doesn’t seem in your usual all-embracing spirit).

  5. My hands are shaking unwrapping the gift….

  6. Oh my Gawd!!! I can’t wait to get home tonight to lock myself away!

  7. Thanks for such great update. You guys rock!

  8. By next week, you’ll have over four dozen husbands.

  9. 1.5!? I was thinking it was 1.1, which would make sense since I can’t really see so many differences that justify a 0.5 increase… I’m really hoping that Unity won’t make me pay for an update, to get the 2.5 feature set into the iPhone version. At this rate the next version will be 7.0.

  10. I’m so excited! I just can’t hide it!!! :) thanks to you guys!!