diff --git a/Bosses.py b/Bosses.py
index c1f311ef..ebf8b4dd 100644
--- a/Bosses.py
+++ b/Bosses.py
@@ -174,7 +174,7 @@ def place_bosses(world, player):
             boss_locations.remove(['Ice Palace', None])
             placeable_bosses.remove('Kholdstare')
 
-        if world.boss_shuffle[player] == "basic": # vanilla bosses shuffled
+        if world.boss_shuffle[player] == "simple":  # vanilla bosses shuffled
             bosses = placeable_bosses + ['Armos Knights', 'Lanmolas', 'Moldorm']
         else: # all bosses present, the three duplicates chosen at random
             bosses = all_bosses + [random.choice(placeable_bosses) for _ in range(3)]
diff --git a/Main.py b/Main.py
index a64e317f..919ba67f 100644
--- a/Main.py
+++ b/Main.py
@@ -27,7 +27,7 @@ from Fill import sell_potions, sell_keys, balance_multiworld_progression, balanc
 from ItemList import generate_itempool, difficulties, fill_prizes, customize_shops
 from Utils import output_path, parse_player_names
 
-__version__ = '0.4.0.4-u'
+__version__ = '0.4.0.5-u'
 
 
 class EnemizerError(RuntimeError):
diff --git a/Mystery.py b/Mystery.py
index e9d438de..271e8194 100644
--- a/Mystery.py
+++ b/Mystery.py
@@ -187,9 +187,9 @@ def roll_settings(weights):
 
     ret.item_functionality = get_choice('item_functionality')
 
-    old_style_bosses = {'simple': 'basic',
-                        'full': 'normal',
-                        'random': 'chaos'}
+    old_style_bosses = {'basic': 'simple',
+                        'normal': 'full',
+                        'chaos': 'random'}
     boss_choice = get_choice('boss_shuffle')
     if boss_choice in old_style_bosses.keys():
         boss_choice = old_style_bosses[boss_choice]
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 6bbab2ce..5f392a15 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -10,6 +10,12 @@ Thanks to qadan, cheuer, & compiling
 
 # Bug Fixes and Notes.
 
+* 0.4.0.5
+	* Insanity - less restrictions on exiting (all modes)
+	* Fix for simple bosses shuffle
+	* Fix for boss shuffle from Mystery.py
+	* Minor msu fade out bug (thanks codemann8)
+	* Other bug fixes (thanks Catobat)
 * 0.4.0.4
 	* Added --shufflelinks option
 	* Moved spawning as a bunny indoors to experimental
diff --git a/Rom.py b/Rom.py
index 3dab4c8e..02310146 100644
--- a/Rom.py
+++ b/Rom.py
@@ -27,7 +27,7 @@ from EntranceShuffle import door_addresses, exit_ids
 
 
 JAP10HASH = '03a63945398191337e896e5771f77173'
-RANDOMIZERBASEHASH = '32b289d8294deba1603c75bb1321d3da'
+RANDOMIZERBASEHASH = 'f8f1b851b091d50af2b87283ea79ed90'
 
 
 class JsonRom(object):
diff --git a/data/base2current.bps b/data/base2current.bps
index abda4b8c..97c703b3 100644
Binary files a/data/base2current.bps and b/data/base2current.bps differ