diff --git a/LICENSE.retro b/LICENSE.retro
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--- /dev/null
+++ b/LICENSE.retro
@@ -0,0 +1,6 @@
+The license found in [LICENSE](./LICENSE) also applies retroactively to code committed between the dates of Friday 27 September 2024 to Sunday 8 June 2025 (inclusive), via the commit hashes adfc839098ee12cc180cc00cbb362cb232bfb2a1 and c412546209dbbfee3bd13a7580d68e4b379680b3
+
+Any forks based on older commits may include a copy of the license file (LICENSE) in addition to this one, provided that the program then complies with
+the license terms
+
+Openblocks  Copyright (C) 2025  m-doescode / maelstrom071
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