Subject: bug#41223: 28.0.50; Calc gives wrong determinant for some matrices with symbolic variables

From: Mattias Engdegård <[email-masked]>
Date: Thu, 14 May 2020 11:56:47 +0200

By the way, the change also fixes inversion of matrices such as the one in your example. Previously, Calc would (erroneously) complain that the matrix was singular.