As usual, see https://gretl.sourceforge.net/

The biggest change is our update from the Mersenne Twister (SFMT) to
xoshiro256+ for pseudo-random number generation.

2026-01-30 version 2026a
- mat2list(): fix potential crashing bug; enhance by using
  the t1 and t2 values on the matrix argument, if present
- binary logit/probit: use QR decomposition in tricky cases
  where the Hessian may otherwise end up not p.d.
- "difftest" command: support the --split-by option for the
  rank sum test
- "print" command: add --head (-h) and --tail (-t) options
  as convenient abbreviations for the --range option
- "gnuplot" command, --y2axis option: accept a named list
  as parameter, or comma-separated series
- "open" command: support the --all-cols option for xlsx
  and gnumeric importation
- "data" command: fix possible problem with long db.nomics
  series identifiers
- "xcorrgm" command: save a $result matrix and add a --quiet
  option
- "quantreg" command: support $coeff and $stderr accessors
  for the multiple-tau case
- "gnuplot" and "plot" commands with --band option: support
  giving the center and width of the band as scalars if they
  are not varying
- fix bug: possible crash from kdsmooth() when there's no
  disturbance in the observation equation and exact diffuse
  initialization is not employed
- fix bug in regls() with cross validation using MPI: it
  could happen that too many MPI processes were employed,
  leading to broken results
- fix bug in GUI deletion dialog: destroying the dialog
  could be taken as indicating "OK"
- updates and fixes for documentation
- macos arm64 build: ensure that __divdc3 is defined
- 64-bit Windows build: ensure that libreadline is supplied
- random number generator: replace Mersenne Twister with
  xoshiro256+

-- 
Allin Cottrell
Professor Emeritus of Economics
Wake Forest University, NC
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