DOC-3147: Update migration quick ref table to reflect changes in DOMPurify sanitization.

modules/ROOT/pages/migration-from-7x.adoc

@@ -23,14 +23,22 @@ Any items marked **"High"** level require immediate attention during migration.
 |Self-hosted deployments now require a new license key format and license key manager. Old keys are **not compatible**.
 |High
 
-|xref:pagebreak-split-block-default[pagebreak_split_block Default Value]
-|The default value changed from `false` to `true`, affecting how page breaks interact with block elements.
-|Low
+|xref:dompurify-update-breaking-change[DOMPurify Update and Stricter Sanitization]
+|Sanitization is now stricter; content previously allowed may be stripped or altered. See migration guide for details.
+|High
 
 |xref:editor-selection-setcontent-deprecated[editor.selection.setContent] Deprecated
 |Method deprecated. Use `editor.insertContent` instead.
 |Medium
 
+|xref:fire-method-deprecation[fire()] Method Deprecation
+|Method deprecated. Use `dispatch()` for event handling.
+|Medium
+
+|xref:pagebreak-split-block-default[pagebreak_split_block Default Value]
+|The default value changed from `false` to `true`, affecting how page breaks interact with block elements.
+|Low
+
 |xref:editor-documentbaseurl-removal[editor.documentBaseUrl] Removal
 |Undocumented property removed. Use `editor.editorManager.documentBaseURI` instead.
 |Low
@@ -38,10 +46,6 @@ Any items marked **"High"** level require immediate attention during migration.
 |xref:skipfocus-consolidation[skipFocus and skip_focus] Consolidation
 |Options consolidated to `skipFocus` in `ToggleToolbarDrawer`.
 |Low
-
-|xref:fire-method-deprecation[fire()] Method Deprecation
-|Method deprecated. Use `dispatch()` for event handling.
-|Medium
 |===
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