configs/*/profiledef.sh: set bootstrap_tarball_compression

* bootstrap will use .tar.zst with `zstd -c -T0 --long -19`,
* releng will retain .tar.gz with `gzip -cn9` for now.

This will later be changed as part of https://gitlab.archlinux.org/archlinux/archiso/-/issues/130.

1 files changed, 1 insertions, 1 deletions

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 2f234fe..ceff6d1 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,7 +10,7 @@ Added
 
 - Add a man page for ``mkarchiso``.
 - Implement configurable bootstrap tarball compression. It is configured in ``profiledef.sh`` using a bash array called
-  ``bootstrap_tarball_compression``.
+  ``bootstrap_tarball_compression``. baseline tarball now uses zstd compression while releng remains with gzip for now.
 
 Changed
 -------