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<h4 id="btf-specification">BTF Specification</h4>
-<p>Current version: <a href="https://archive.eclipse.org/app4mc/documents/misc/BTF_Specification_2.2.0.pdf">V2.2.0 (2020-03-01)</a></p>
+<p>Current version: <a href="https://archive.eclipse.org/app4mc/documents/misc/BTF_Specification_2.2.1.pdf">V2.2.1 (2021-01-07)</a></p>
<p>Previous versions:
<a href="https://archive.eclipse.org/app4mc/documents/misc/BTF_Specification_2.1.5.pdf">V2.1.5 (2016-01-29)</a></p>
