- Update to version 1.27.8:
* boo#1189634
* Version 1.27.8.
* data: Simplify some of the Python code in test cases
* data: Fix optimization of inlined lists
* data: Optimize slices of some constant expressions
* data: Add a test that expected optimizations are being performed
* data: Get rid of EXPR_EXPR
* data: New functions new_node/get_node with simpler usage
* vector: Add vector_duplicate function
* cow: Clarify documentation for new cow-block-size option
* docs: Fix title of nbdkit-client man page
* server: reset meta context replies on starttls
* Version 1.27.7.
* cow: Ship cow.h header
* Version 1.27.6.
* server: CVE-2021-3716 reset structured replies on starttls
* cow: Make the block size configurable
* vddk: Add stats about the amount of time spent in VDDK calls
* vddk: Replace DEBUG_CALL with bracketed VDDK_CALL_START/END macros
* cow: Remove #include which appears to be unused
* cow: Make cow_on_cache static
* maint: Mention online gpg keyring for security use
* data: Missed optimization: ( fill ) => fill
* data: Optimize strings with repeated characters into fills
* data: When possible, combine adjacent list elements
* common/utils: Fix off-by-one error in _remove
* tests/test-data-extents.sh: Remove some bogus tests of zero extents
* common/allocators/zstd.c: Handle zeroing unallocated space
* data: Optimize single element lists containing a single byte