I'm an idiot, and forgot to modify the TOC file to include the Russian localization file.

diff --git a/Cauldron.toc b/Cauldron.toc
index efb2e48..31cca56 100755
--- a/Cauldron.toc
+++ b/Cauldron.toc
@@ -19,6 +19,7 @@ embeds.xml
 #@end-no-lib-strip@

 Locale\Cauldron-enUS.lua
+Locale\Cauldron-ruRU.lua

 CauldronMain.lua
 CauldronShoppingList.lua
diff --git a/Instructions.txt b/Instructions.txt
index e91baba..a5eacae 100644
--- a/Instructions.txt
+++ b/Instructions.txt
@@ -9,7 +9,7 @@ An enhanced tradeskill addon.  Cauldron provides:

 == Release Notes ==

-=== r177 ===
+=== r179 ===

 * Russian localization!
 * Added an increment count button to the queue.