diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index e87d4a22..317db6b2 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -108,6 +108,9 @@ These are now independent of retro mode and have three options: None, Random, an
 * Bonk Fairy (Dark)
 
 # Bug Fixes and Notes
+* 1.2.0.12u
+  * Fix for mirror portal in inverted
+  * Yet another fix for blocked door in Standard ER
 * 1.2.0.11u
   * Fixed an issue with lower layer doors in Standard
   * Fix for doors in cave state (will no longer be vanilla)
diff --git a/Rom.py b/Rom.py
index 13b4f133..0ca8e140 100644
--- a/Rom.py
+++ b/Rom.py
@@ -37,7 +37,7 @@ from source.dungeon.RoomList import Room0127
 
 
 JAP10HASH = '03a63945398191337e896e5771f77173'
-RANDOMIZERBASEHASH = 'badc0c787f7ab5e0ad05fb517953849a'
+RANDOMIZERBASEHASH = '4faba57f154a2263bf91af041a0d8700'
 
 
 class JsonRom(object):
diff --git a/data/base2current.bps b/data/base2current.bps
index 57c2f8b6..5a239f15 100644
Binary files a/data/base2current.bps and b/data/base2current.bps differ