These got pushed as two commits about a week ago by Ludovic, but it
seems he forgot to close the bug.

For reference:

commit 6f3475655a60e25328d6fc8a1ce4af19620f0a02
Author: pinoaffe@airmail.cc <pinoaffe@airmail.cc>
Date:   Sat Mar 21 08:58:35 2020 +0000

    gnu: cutter: Update to 1.10.1.

    * gnu/packages/engineering.scm (cutter): Update to 1.10.1.

    Signed-off-by: Ludovic Courtès <ludo@gnu.org>

commit fcc10cb2cbde9c104d394167ba354b0c9f2cd752
Author: pinoaffe@airmail.cc <pinoaffe@airmail.cc>
Date:   Sat Mar 21 08:57:21 2020 +0000

    gnu: radare2: Update to 4.2.1.

    * gnu/packages/engineering.scm (radare2): Update to 4.2.1.

    Signed-off-by: Ludovic Courtès <ludo@gnu.org>