Marco Tullney<p>Today, the editors of Mathematical Logic Quarterly collectively resigned. They have founded a new <a href="https://fosstodon.org/tags/DiamondOpenAccess" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DiamondOpenAccess</span></a> journal, the (English-language) ZML: Zeitschrift für Mathematische Logik und Grundlagen der Mathematik</p><p><a href="https://fosstodon.org/tags/OpenAccess" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenAccess</span></a> <a href="https://fosstodon.org/tags/EditorsWalkOut" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EditorsWalkOut</span></a></p><p><a href="https://blog.tib.eu/2025/04/07/mlq-walk-out/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blog.tib.eu/2025/04/07/mlq-wal</span><span class="invisible">k-out/</span></a></p>