diff --git a/LUFA/Build/DMBS/DMBS/atprogram.mk b/LUFA/Build/DMBS/DMBS/atprogram.mk
index de801b0031..7e3815e4c8 100644
--- a/LUFA/Build/DMBS/DMBS/atprogram.mk
+++ b/LUFA/Build/DMBS/DMBS/atprogram.mk
@@ -55,7 +55,7 @@ ERROR_IF_EMPTY   ?= $(if $(strip $($(strip $(1)))), , $(error Makefile $(strip $
 ERROR_IF_NONBOOL ?= $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(strip $(1)) option must be Y or N))
 
 # Default values of optionally user-supplied variables
-ATPROGRAM_PROGRAMMER ?= jtagice3
+ATPROGRAM_PROGRAMMER ?= atmelice
 ATPROGRAM_INTERFACE  ?= jtag
 ATPROGRAM_PORT       ?=
 
diff --git a/LUFA/Build/DMBS/DMBS/avrdude.mk b/LUFA/Build/DMBS/DMBS/avrdude.mk
index d9b4df048f..149cf5c14b 100644
--- a/LUFA/Build/DMBS/DMBS/avrdude.mk
+++ b/LUFA/Build/DMBS/DMBS/avrdude.mk
@@ -9,7 +9,7 @@
 DMBS_BUILD_MODULES         += AVRDUDE
 DMBS_BUILD_TARGETS         += avrdude avrdude-ee
 DMBS_BUILD_MANDATORY_VARS  += MCU TARGET
-DMBS_BUILD_OPTIONAL_VARS   += AVRDUDE_PROGRAMMER AVRDUDE_PORT AVRDUDE_FLAGS
+DMBS_BUILD_OPTIONAL_VARS   += AVRDUDE_PROGRAMMER AVRDUDE_PORT AVRDUDE_FLAGS AVRDUDE_MEMORY
 DMBS_BUILD_PROVIDED_VARS   +=
 DMBS_BUILD_PROVIDED_MACROS +=
 
@@ -37,6 +37,8 @@ DMBS_BUILD_PROVIDED_MACROS +=
 #    AVRDUDE_PROGRAMMER        - Name of programming hardware to use
 #    AVRDUDE_PORT              - Name of communication port to use
 #    AVRDUDE_FLAGS             - Flags to pass to avr-dude
+#    AVRDUDE_MEMORY            - Memory space to program application into (e.g.
+#                                "application" for an XMEGA DFU device)
 #
 # PROVIDED VARIABLES:
 #
@@ -58,6 +60,7 @@ ERROR_IF_NONBOOL ?= $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(s
 AVRDUDE_PROGRAMMER ?= jtagicemkii
 AVRDUDE_PORT       ?= usb
 AVRDUDE_FLAGS      ?=
+AVRDUDE_MEMORY     ?= flash
 
 # Sanity check user supplied values
 $(foreach MANDATORY_VAR, $(DMBS_BUILD_MANDATORY_VARS), $(call ERROR_IF_UNSET, $(MANDATORY_VAR)))
@@ -75,7 +78,7 @@ BASE_AVRDUDE_FLAGS := -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
 # Programs in the target FLASH memory using AVRDUDE
 avrdude: $(TARGET).hex $(MAKEFILE_LIST)
 	@echo $(MSG_AVRDUDE_CMD) Programming device \"$(MCU)\" FLASH using \"$(AVRDUDE_PROGRAMMER)\" on port \"$(AVRDUDE_PORT)\"
-	avrdude $(BASE_AVRDUDE_FLAGS) -U flash:w:$< $(AVRDUDE_FLAGS)
+	avrdude $(BASE_AVRDUDE_FLAGS) -U $(AVRDUDE_MEMORY):w:$< $(AVRDUDE_FLAGS)
 
 # Programs in the target EEPROM memory using AVRDUDE
 avrdude-ee: $(TARGET).eep $(MAKEFILE_LIST)
diff --git a/LUFA/Build/DMBS/DMBS/core.mk b/LUFA/Build/DMBS/DMBS/core.mk
index 41992566d5..bc85777a71 100644
--- a/LUFA/Build/DMBS/DMBS/core.mk
+++ b/LUFA/Build/DMBS/DMBS/core.mk
@@ -55,7 +55,7 @@ SHELL = /bin/sh
 
 
 # Current DMBS release version
-DMBS_VERSION = 0.3
+DMBS_VERSION = 0.4
 
 
 # Converts a given input to a printable output using "(None)" if no items are in the list
diff --git a/LUFA/Build/DMBS/DMBS/gcc.mk b/LUFA/Build/DMBS/DMBS/gcc.mk
index b9347a60bc..f3c695502f 100644
--- a/LUFA/Build/DMBS/DMBS/gcc.mk
+++ b/LUFA/Build/DMBS/DMBS/gcc.mk
@@ -192,6 +192,12 @@ BASE_C_FLAGS   := -x c -O$(OPTIMIZATION) -std=$(C_STANDARD) -Wstrict-prototypes
 BASE_CPP_FLAGS := -x c++ -O$(OPTIMIZATION) -std=$(CPP_STANDARD)
 BASE_ASM_FLAGS := -x assembler-with-cpp
 
+# This flag is required for bootloaders as GCC will emit invalid jump table
+# assembly code for devices with large amounts of flash; the jump table target
+# is extracted from FLASH without using the correct ELPM instruction, resulting
+# in a pseudo-random jump target.
+BASE_CC_FLAGS += -fno-jump-tables
+
 # Create a list of flags to pass to the linker
 BASE_LD_FLAGS := -lm -Wl,-Map=$(TARGET).map,--cref -Wl,--gc-sections
 ifeq ($(LINKER_RELAXATIONS), Y)
diff --git a/LUFA/Build/DMBS/Readme.md b/LUFA/Build/DMBS/Readme.md
index f5533a9abf..448db1e703 100644
--- a/LUFA/Build/DMBS/Readme.md
+++ b/LUFA/Build/DMBS/Readme.md
@@ -35,6 +35,10 @@ are included via a GNU Make `include` directive. While the DMBS `core` module is
 always required, you can pick and choose what other modules you wish to add to
 your user project.
 
+DMBS is also used in the LUFA Project which provides a
+[detailed documentation](http://www.fourwalledcubicle.com/files/LUFA/Doc/151115/html/_page__build_system.html)
+of DMBS.
+
 Here's an example user makefile:
 
 	MCU          = atmega128