Frontend/Backend protocol changes?

Have there been any changes at all in the Frontend/Backend protocol 
between 7.2 and 7.3?

I ask, of course, because there were some unannounced changed to the 
protocol between 7.1 and 7.2, and I'd rather not get bitten again ;-)

BTW, I maintain the open source PostgreSQL drivers used with a number of 
(commercial and open source) Smalltalk implementations.

Thanks,  Bruce Badger

ljb wrote:

> zhouhanok@vip.sina.com wrote:
>  
>
>> Hi,
>>
>>     Could you tell me what's the latest postgresql protocol version? 
>> 2.3 or 2.=
>> 4 or ...?
>>   
>
>
> 2.0
>
>  
>
>>     And where can I find the latest specification(details) about the 
>> protocol?=
>> Is http://www.postgresql.org/idocs/index.php?protocol.html the latest 
>> one?
>>   
>
>
> Yes that's the one.
> It's also in the source distribution, installed in .../doc/html/
>
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>