This had the advantage of not requiring hardware changes, and preserved application compatibility.

Therefore, issues surrounding application compatibility appeared immediately.

The only thing to read into the code versioning is that we are absolutely committed to making sure application compatibility is optimized for our customers.

These restrictions effectively ensure that all Android devices that are intended to run third-party applications are basically the same with respect to application compatibility.

Google has found some practical ways to enable third-party platform customization without having to compromise application compatibility.

This approach allows very deep customization in a way that is also respectful of application compatibility.

That being said, moving from Windows XP to 7 already poses problems related to application compatibility.

Other installations would patch newer versions of the operating system to use the older character set to maintain application compatibility.

This fixed size, which could not be increased without breaking application compatibility, lead to the FCB's eventual demise as the standard method of accessing files.

He also praised the application compatibility and said that the only updates needed were to add Notification Center features to applications.