SQLite version - AIR 1.0 vs 1.5 vs 2.0

I've come to understand that AIR uses its own built-in version of SQLite but
it's been hard to grasp what version is being used in each AIR version?
Has there been any upgrades to the SQLite version from 1.0 to 1.5 to 2.0beta?
I did notice that Nested Transactions are supported in the latest version but haven't
found any other changes - and it appears that the SQLite documentation still indicates
no support for Foreign Keys.
Thanks for any documentation pointers or version correlation you can provide.
Don

After getting nowhere here and receiving canned email responses from support
I've done a little digging on the SQLite site.
For those interested it looks like Adobe Air's implementation of SQLite in 2.0beta is closest
to a version released between2009 Jan 12 (3.6.8)
Added support for nested transactions
and
2009 Oct 14 (3.6.19)
Foreign Key support was added.

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quote:
(18) Case-insensitive matching of Unicode characters does not work.
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Hi,
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How to know which version of SQLite is used by the different AIR-Versions?

For AIR 1.0 and 2.0 this post: http://forums.adobe.com/message/2577582#2577582 has the infos, but it is not clear where they come from.
How could one find out about the SQLite-versions in 2.5 and 2.6?
(not even google or any doc that I read about AIR and SQLite mention this)
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karfau

Thanks for this info.
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When reading the SQLite-Docs there are some features, that state:
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http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/data/SQLConnectio n.html
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SQLite version - AIR 1.0 vs 1.5 vs 2.0

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