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From Alex Harui <aha...@adobe.com>
Subject Re: Have the SWF 11 and SWF 12 file format specification ever been published?
Date Thu, 12 Jan 2012 23:03:35 GMT



On 1/12/12 2:41 PM, "Raju Bitter" <rajubitter@googlemail.com> wrote:

> Have the SWF 11 and SWF 12 file format specification been published by
> Adobe? It seems that only the SWF 10 version is online?
> http://www.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf_file_format_spec_
> v10.pdf
> 
> Folks have been asking the same question in the Adobe forums, but
> never got an answer.
> http://forums.adobe.com/thread/878781
> 
> - Raju
SWF File Format 10 is the latest.  It is a bit confusing as there is the SWF
File Format version, the API version which is also known as SWF Version, and
then the version for the player itself.

For example, I believe FlashPlayer 11 and 11.1 read SWF File Format 10 and
earlier, and support SWF Version (or API Version) 13 and earlier.

The file format would only get changed if there were new tags to be added to
the SWF.  No new tags have been added since FP 10.  The API version changes
whenever we need to drastically change behavior of existing APIs or are
adding significant new APIs.  I think the Player's version changes according
to rules around revenue recognition and upgrade policies.

-- 
Alex Harui
Flex SDK Team
Adobe Systems, Inc.
http://blogs.adobe.com/aharui


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