https://www-01.ibm.com/common/ssi/cgi-bin/ssialias?subtype=ca&infotype=an&supplier=897&letternum=ENUS217-323

- Compiler support for the new z14 hardware and z/OS V2.3 operating system so 
applications can take advantage of the latest IBM Z architecture and operating 
system features and capabilities
- Exploitation of the new Vector Packed Decimal Facility of z14 to increase the 
performance of decimal compute intensive applications without the need for 
source code changes
- Implementation of the new JSON PARSE statement to provide you with additional 
programming and modernization features
- Addition of the COBOL 2002/2014 Conditional Compilation language feature
- New and changed COBOL statements for increased functionality
- New and changed COBOL options for increased flexibility
- Improved usability of the compiler in the z/OS UNIX System Services 
environment
- Improved interfaces to other licensed programs and tools
- Improved listing layout so that compiler diagnostic messages are easier to 
find
- Compile-time improvements (with OPTIMIZE(1) & OPTIMIZE(2)) and runtime 
performance enhancements


Nothing mindblowing.  Conditional complication seems nice.


Vector Packed Decimal Facility sounds interesting.

"The Vector Packed Decimal Facility allows the dominant COBOL data types, 
packed and zoned decimal, to be handled in wide 16-byte vector registers 
instead of in memory. Decimal and floating-point computationally intensive 
COBOL programs, which are optimized with Enterprise COBOL V6.2 and that target 
z14 ARCH(12), can deliver CPU time reduction on the z14 server over the same 
applications built with COBOL V6.1. No source changes are required to take 
advantage of this new facility; just recompile with ARCH(12) to target z14."


And here's a "big one":  "Compiler diagnostic messages now appear at the end of 
the listing, as was the case in COBOL compilers before Enterprise COBOL V5."  
!! :-)

I still long for implementation of some of the more interesting/useful features 
of COBOL 2002 and COBOL 2014.  But at least they are doing something.

Frank

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