a new version of Trac. This document describes the steps necessary to upgrade
+Note that you should also read the trac/wiki/default-pages/TracUpgrade
+documentation file present in the source distribution.
Note that Environment upgrades are not necessary for minor version releases
unless otherwise noted. For example, there's no need to upgrade a Trac
environment created with (or upgraded) 0.8.0 when installing 0.8.4 (or any
The following sections discuss any extra actions that may need to be taken
to upgrade to specific versions of Trac.
+There should not be any serious problems...
+However, take a look at the following documented caveats::
+Also, you should be careful to check that the plugins you depend on have
+been ported to 0.11, as they most probably won't work without adaptation
+due to the numerous internal changes that occurred during 0.11 development.
+Note however that Clearsilver based plugin are still supported.