See http://gretl.sourceforge.net/ 2020-03-05 version 2020a - Verbose output for numerical optimization: make the default more basic but add a new "full" setting for the set-variable "max_verbose" - "wls" command: support the --cluster option - "scatters" command: improve handling of daily data - Work on lasso back-end (not public yet) - New function instrings() to locate instances of a given string within an array of strings - mpireduce() and mpiscatter(): accept a string variable for selection of the "op" argument - feval(): handle functions that take no arguments - sprintf(): fix potential breakage when used within a ternary query statement - jsongetb(): support nested JSON arrays - Reorganization of time-series model menu: add code to protect packages written for gretl < 2019d - SVD: use faster divide-and-conquer lapack function where applicable - complex(): make the second argument optional - defarray(): treat scalar arguments as 1x1 matrices - arrays: allow as function parameters and return values - xlsx data importer: handle a wider variety of cases - ODBC data importation: handle string-valued series - OpenBLAS speed-up: limit the number of threads to the number of physical cores on the host machine - Fix bug: possible buffer overrun on printing list of instruments for IV regression - Fix bug: incorrect results when applying unary +/- to complex matrices - MS windows packages: update OpenBLAS version - Numerous small GUI fixes and enhancements -- Allin Cottrell Department of Economics Wake Forest University, NC