diff --git a/.changeset/sour-rings-listen.md b/.changeset/sour-rings-listen.md
new file mode 100644
index 00000000..f24606bc
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+++ b/.changeset/sour-rings-listen.md
@@ -0,0 +1,5 @@
+---
+'@formwerk/core': patch
+---
+
+fix: initialize known date segments and disable locked ones