gretl 2026b released
by Allin Cottrell
See https://gretl.sourceforge.net/
Warning to packagers: gretl needs gdk_pixbuf_new_from_xpm_data(),
which got broken in gdk-pixbuf-2.44.6, but is fixed by a patch at
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/62b8f9fd0bb3b862823cd3...
Here's the gretl change log:
2026-04-30 version 2026b
- new function which() to determine which elements of a
given matrix satisfy a specified condition
- new function fols() for factorized least squares
- new function tsolvepd() for solving Toeplitz linear
systems when the Toeplitz matrix is known to be symmetric
and positive definite
- probability distribution functions: add support for the
truncated normal distribution
- "join" command: fix possible crash on joining data from
two binary gdtb data files in succession
- correlation matrix plot: use graph-names as set by the
"setinfo" command if available
- "add" and "omit" commands with --auto option: attach to
the augmented or reduced $model bundle a list giving the
order in which regressors were added ("add_order") or
omitted ("omit_order")
- "var" command with --lagselect option: show the LR test
P-value for the null of lag order 0
- "vecm" command: in the vecm_info bundle in the $system
accessor we now provide new matrices: "long_run"
(Johansen's C), "cov_long_run" (the covariance of vec(C))
and "se_long_run" (standard errors of the elements of C),
along with additional documentation in the User's Guide
- "foreign" command block: support the --send-data option
when executing a Python script, via Pandas
- "panplot" command: correct suport for the --font option
- matrix "slicing": correct handling of an empty selection
vector, and sypport use of row and column names when
indexing into matrices
- script editor: handle "doc strings" in hansl functions
via "question mark-click"
- geoplot addon: document the cbrange option
- User's Guide: improve documentation of string literals
- GUI: /View/Correlations now shows nonparametric option
- GUI: Augment tooltips for model selection dialog buttons
- GUI: "View code" for function packages: preserve inline
comments
- GUI: fix broken display of complex matrices
- GUI: enhance searching of gretl-curated data files
- GUI: fix handling of scalar arguments in the dialog box
for calling function packages
- GUI: "ui-maker" for functions packages: support setting
a run-time default for a boolean argument
- GUI: fix breakage in Command Log on Windows and macOS
- GUI: fix breakage in string argument selector for
function packages on 32-bit Windows (GTK2)
- launching of gnuplot via gretl: respect the GNUTERM
environment variable on Linux, if present
- Windows ARM64 build: include MPI and make available an
ARM64 build of X-13ARIMA-SEATS (x13as)
- Mac builds: update GTK3 to version 3.24.52
--
Allin Cottrell
Professor Emeritus
Wake Forest University
1 week, 5 days
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