Question about FreeBSD 5.3

[Marcio Cardenuto Mallavazzi]

Hello all!
 
I have a doubt about FreeBSD 5.3. What is it: a Stable or a Release
version?
I'm sorry if this is a Dumb Question, but I guess it's a Stable Version.
Specially because it's a Production Release.
 
TIA,
 
Marcio.

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