the actual 2.6.5 and changed the naming convention, this is better i think.
it will be 2.6.x nightly, unofficial and 2.7.0 official when i push that.
To compile a release, make sure to export SLIM_RELEASE=TRUE
diff --git a/config/common.mk b/config/common.mk
index 6c87205..8ac423e 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -148,10 +148,10 @@
 
 # T-Mobile theme engine
 include vendor/slim/config/themes_common.mk
-PRODUCT_VERSION_WEEK = 1
+#PRODUCT_VERSION_WEEK = 1
 PRODUCT_VERSION_MAJOR = 2
 PRODUCT_VERSION_MINOR = 6
-PRODUCT_VERSION_MAINTENANCE = 4
+PRODUCT_VERSION_MAINTENANCE = 5
 
 PRODUCT_BUILD_PROP_OVERRIDES += BUILD_DISPLAY_ID=JRO03L
 
@@ -161,11 +161,11 @@
 
 ifdef SLIM_NIGHTLY
     PRODUCT_PROPERTY_OVERRIDES += \
-        ro.slim.version=Slim-WEEK-$(PRODUCT_VERSION_WEEK)-NIGHTLY-$(shell date +%m%d%Y)
+        ro.slim.version=Slim-$(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-NIGHTLY-$(shell date +%m%d%Y)
 else
     ifdef SLIM_RELEASE
         PRODUCT_PROPERTY_OVERRIDES += \
-            ro.slim.version=Slim-WEEK-$(PRODUCT_VERSION_WEEK)-OFFICIAL
+            ro.slim.version=Slim-$(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-OFFICIAL
     else
         PRODUCT_PROPERTY_OVERRIDES += \
             ro.slim.version=Slim-$(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)$(PRODUCT_VERSION_DEVICE_SPECIFIC)-UNOFFICIAL
@@ -174,11 +174,11 @@
 
 ifdef SLIM_NIGHTLY
     PRODUCT_PROPERTY_OVERRIDES += \
-        ro.modversion=Slim-$(PRODUCT_RELEASE_NAME)-WEEK-$(PRODUCT_VERSION_WEEK)-NIGHTLY-$(shell date +%m%d%Y)
+        ro.modversion=Slim-$(PRODUCT_RELEASE_NAME)-$(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-NIGHTLY-$(shell date +%m%d%Y)
 else
     ifdef SLIM_RELEASE
         PRODUCT_PROPERTY_OVERRIDES += \
-            ro.modversion=Slim-$(PRODUCT_RELEASE_NAME)-WEEK-$(PRODUCT_VERSION_WEEK)-OFFICIAL
+            ro.modversion=Slim-$(PRODUCT_RELEASE_NAME)-$(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)-OFFICIAL
     else
         PRODUCT_PROPERTY_OVERRIDES += \
             ro.modversion=Slim-$(PRODUCT_VERSION_MAJOR).$(PRODUCT_VERSION_MINOR).$(PRODUCT_VERSION_MAINTENANCE)$(PRODUCT_VERSION_DEVICE_SPECIFIC)-$(PRODUCT_RELEASE_NAME)-UNOFFICIAL