Dear all, The Agda Team is pleased to announce the release of Agda 2.6.4.2. Agda 2.6.4.2 is a bugfix release over Agda 2.6.4.1: - Fix an inconsistency in Cubical Agda related to catch-all clauses. - Fix some internal errors. - Fix an issue with `opaque`. - Fix building with cabal flag `-f debug-serialisation`. # GHC supported versions Agda 2.6.4.2 has been tested with GHC 9.8.1, GHC 9.6.4, 9.4.8, 9.2.8, 9.0.2, 8.10.7, 8.8.4 and 8.6.5 on Linux, macOS and Windows. # Installation Agda 2.6.4.2 can be installed using cabal-install or stack: 1. Getting the tarball $ cabal update $ cabal get Agda-2.6.4.2 $ cd Agda-2.6.4.2 2. a. Using cabal-install $ cabal install -f +optimise-heavily -f +enable-cluster-counting 2. b. Using stack $ stack --stack-yaml stack-a.b.c.yaml install --flag Agda:optimise-heavily --flag Agda:enable-cluster-counting replacing `a.b.c` with your version of GHC. The flags mean: - optimise-heavily: Turn on extra optimisation for a faster Agda. Takes large resources during compilation of Agda. - enable-cluster-counting: Enable unicode clusters for alignment in the LaTeX backend. Requires the ICU lib to be installed and known to pkg-config. These flags can be dropped from the install if causing trouble. # Standard library You can use standard library v1.7.3, v2.0 or the `master` branch of the standard library with Agda 2.6.4.2. This branch is available at https://github.com/agda/agda-stdlib/ # Fixed issues over Agda 2.6.4.1 https://hackage.haskell.org/package/Agda-2.6.4.2/candidate/changelog Enjoy Agda 2.6.4.2! Andreas, on behalf of the Agda Team -- Andreas Abel <>< Du bist der geliebte Mensch. Department of Computer Science and Engineering Chalmers and Gothenburg University, Sweden andreas.abel@gu.se http://www.cse.chalmers.se/~abela/