diff --git a/ynewsletters/12092024.md b/ynewsletters/12092024.md
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+# Malware Behavior Catalog Newsletter #
+**December 9, 2024**
+
+Hello everyone!
+
+Here are recent MBC developments:
+
+* Released [MBC 3.2](https://github.com/MBCProject/mbc-markdown/releases/tag/v3.2).
+* Released the [STIX 2.1 representation](https://github.com/MBCProject/mbc-stix2.1) for MBC 3.2, which is based on the [malware behavior extension](https://github.com/oasis-open/cti-stix-common-objects/tree/main/extension-definition-specifications/malware-behavior-8e9).
+* Updated the [visual representation](https://raw.githubusercontent.com/MBCProject/mbc-markdown/master/yfaq/mbc_matrix_with_ids.svg) of MBC.
+* Updated MBC-CAPE signature mappings/links (thanks @RazviOverflow!)
+* Added new method: Anti-Static Analysis::Disassembler Evasion::Fake Function (thanks @utkonos!)
+* Reviewed capa to identify mapping suggestions (none found).
+
+Please post questions or comments in [Discussions](https://github.com/MBCProject/mbc-markdown/discussions) on GitHub, or email us at mbc@mitre.org. Feedback is always appreciated!
diff --git a/ynewsletters/README.md b/ynewsletters/README.md
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## Malware Behavior Catalog Newsletters ##
+December 2024
+
May 2024
December 2023