Whole ton of things:

-Experimental Flag
--Mirror Scroll
--Mortal GT Minibosses
--Random door kinds
-Crossed Mode
--Standard logic
--Nothing Items
--GT Trash fill skip
--Too many keys in retro
--Hint work
--Spoiler clarification
--Aga 1 logic
-Misc
--Retro nothing item
--Bombable/Dashable matching
--ER+Inverted Logic fix
--Logic for GT Gauntlet/Wizzrobes
--Logic for PoD Sexy Statue switch

asm/drhooks.asm

@@ -63,6 +63,8 @@ org $0DFA53
 jsl.l LampCheckOverride
 org $028046 ; <- 10046 - Bank02.asm : 217 (JSL EnableForceBlank) (Start of Module_LoadFile)
 jsl.l OnFileLoadOverride
+org $07A93F  ; < 3A93F - Bank07.asm 6548 (LDA $8A : AND.b #$40 - Mirror checks)
+jsl.l MirrorCheckOverride
 
 org $05ef47
 Sprite_HeartContainer_Override: ;sprite_heart_upgrades.asm : 96-100 (LDA $040C : CMP.b #$1A : BNE .not_in_ganons_tower)

asm/overrides.asm

@@ -37,4 +37,15 @@ OnFileLoadOverride:
     jsl OnFileLoad ; what I wrote over
     lda DRFlags : and #$80 : beq +  ;flag is off
         lda $7ef086 : ora #$80 : sta $7ef086
+    + lda DRFlags : and #$02 : beq +
+        lda $7ef353 : bne +
+            lda #$01 : sta $7ef353
++ rtl
+
+MirrorCheckOverride:
+    lda $8A : and #$40 ; what I wrote over
+    beq +
+    lda DRFlags : and #$02 : beq ++
+        lda $7ef353 : cmp #$01 : beq +
+    ++ lda #$01
 + rtl