[[changes_5.6]]
== Upgrading from 5.5 and earlier

=== Deprecations

==== Changing the contents of `ConfigurableFileCollection` task properties after task starts execution

When a task property has type `ConfigurableFileCollection`, then the file collection referenced by the property will ignore changes made to the contents of the collection once the task starts execution.
This has two benefits.

#define dataPtr		SI	// input, base pointer to first input data block
#define numBytes	DX	// input, number of input bytes to be processed
#define sha256Constants	AX	// round contents from K256 table, indexed by round number x 32
#define msg		X0	// input data
#define state0		X1	// round intermediates and outputs
#define state1		X2
#define m0		X3	// m0, m1,... m4 -- round message temps
#define m1		X4