Manual:Upgrading

Here are the instructions for upgrading to the more recent versions:


 * Manual:Upgrading to 1.9 — the current stable version
 * Manual:Upgrading to 1.8 — why? we recommended you use version 1.9
 * Manual:Upgrading to 1.7 — why? we recommended you use version 1.9
 * Manual:Upgrading to 1.6 — the last version compatible with PHP 4

For instructions on versions prior to 1.6, along with some general tips & tricks for upgrading, see the following page on meta:

Current versions
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 * Latest stable release:  ·
 * Legacy versions:  ·