X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FUpgrading.pod;h=6157b55e900f0d2fda1f71b917412e14d5c0c315;hp=5cc702d53540fb996a31596ade5744f06be2a30f;hb=d0cacee71a316290bc01f0e12681c16bdc1e84e2;hpb=b072862879588eb79a8ccdc47b80b5193866c057

diff --git a/lib/Catalyst/Upgrading.pod b/lib/Catalyst/Upgrading.pod
index 5cc702d..6157b55 100644
--- a/lib/Catalyst/Upgrading.pod
+++ b/lib/Catalyst/Upgrading.pod
@@ -515,6 +515,13 @@ The correct fix is to re-arrange your class's inheritance hierarchy so that the
 COMPONENT method you would like to inherit is the first (left-hand most)
 COMPONENT method in your @ISA.
 
+=head2 Development server relying on environment variables
+
+Previously, the development server would allow propagation of system
+environment variables into the request environment, this has changed with the
+adoption of Plack. You can use L<Plack::Middleware::ForceEnv> to achieve the
+same effect.
+
 =head1 WARNINGS
 
 =head2 Actions in your application class