[master] f2e40b0ce Release docs: mention logexpect abort

[Nils Goroll]

commit f2e40b0ce9c02de2c2b05c00219c15b58e258663
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Mon Mar 14 13:50:55 2022 +0100

    Release docs: mention logexpect abort

diff --git a/doc/sphinx/whats-new/changes-trunk.rst b/doc/sphinx/whats-new/changes-trunk.rst
index 9f6f11b8f..64c3b4287 100644
--- a/doc/sphinx/whats-new/changes-trunk.rst
+++ b/doc/sphinx/whats-new/changes-trunk.rst
@@ -157,7 +157,9 @@ The ``SO_RCVTIMEO_WORKS`` feature check is gone. (introduced with 7.0.1)
 
 The reporting of ``logexpect`` events was rearranged for readability.
 
-XXX: mention the logexpect abort trigger? (it's not documented)
+The ``abort`` command in the ``logexpect`` facility of ``varnishtest``
+can now be used to trigger an ``abort()`` to help debugging the vsl
+client library code.
 
 The ``vtc.barrier_sync()`` VMOD function can be used in ``vcl_init`` from now
 on.