Notes on stability

to make it short,

0.6 is stable.
0.7 will be development.

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old version of this document
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I freeze 0.5* branch and mark it "stable". Latest version is run on a very highload site (thousands requests on php per second). I recommend to use 0.5.7 version and higher. No new features will be added to 0.5.*, I'll do bugfixes only. When 0.6 is started (well, if any;) ), it will be the development version.

wbr,
fisher