The page describes the new functionalities of Version 4.0.6 of the TFEL project.

This version was released on December 10, 2025 along with:

and inherits from all fixes from those releases.

1 Issues fixed

1.1 Issue 840: [tfel-math] Fix io for views on tmatrix and tvector

For more details, see https://github.com/thelfer/tfel/issues/840

1.2 Issue 818: [tfel-math] correct determinant of a st2tost2

For more details, see https://github.com/thelfer/tfel/issues/818