X-Git-Url: http://git.freeside.biz/gitweb/?p=freeside.git;a=blobdiff_plain;f=rt%2Fdocs%2FUPGRADING-4.0;h=766964f422f9c1a8e3744844f809c9219e89d668;hp=63dd2eecc973c16aea22ddc86a63cdd9e2d1d663;hb=0ea23112cfa0d82738b0f08d60d90579721b7524;hpb=60dd95422a1ad4724e0c5d9dd7f8e8878cd96aa8

diff --git a/rt/docs/UPGRADING-4.0 b/rt/docs/UPGRADING-4.0
index 63dd2eecc..766964f42 100644
--- a/rt/docs/UPGRADING-4.0
+++ b/rt/docs/UPGRADING-4.0
@@ -32,6 +32,9 @@ If you deploy RT with mod_perl, Apache will no longer start with C<SetHandler>
 set to `perl-script`. F<docs/web_deployment.pod> contains the
 new configuration.
 
+RT::Extension::CustomField::Checkbox has been integrated into core, so you
+MUST uninstall it before upgrading. In addition, you must run
+etc/upgrade/4.0-customfield-checkbox-extension script to convert old data.
 
 =head2 RT_SiteConfig.pm