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This release is forwards-compatible with cortex-m 0.7, and depends on and re-exports many types from that version. Both 0.6.5 and 0.7 may co-exist in a build.

Added

• Initial Cortex-M Security Extension support for armv8m
• UDF intrinsic
• Methods to enable/disable exceptions in SCB

Fixed

• Fix bug in asm::delay not updating status clobber flags
• Swapped to llvm_asm! to support inline assembly on new nightlies
• Our precompiled assembly routines have additional debug information
• ITM is_fifo_ready improved to support armv8
• Cache enabling moved to pre-built assembly routines to prevent possible undefined behaviour