--- a/devtools/shared/styleinspector.properties
+++ b/devtools/shared/styleinspector.properties
@@ -14,21 +14,24 @@
 # LOCALIZATION NOTE (rule.status): For each style property the panel shows
 # the rules which hold that specific property. For every rule, the rule status
 # is also displayed: a rule can be the best match, a match, a parent match, or a
 # rule did not match the element the user has highlighted.
 rule.status.BEST=Mejor coincidencia
 rule.status.MATCHED=Coincidencia
 rule.status.PARENT_MATCH=Coincidencia de padre
 
-# LOCALIZATION NOTE (rule.sourceElement, rule.sourceInline): For each
-# style property the panel shows the rules which hold that specific property.
+# LOCALIZATION NOTE (rule.sourceElement, rule.sourceInline,
+# rule.sourceConstructed): For each style property the panel shows the rules
+# which hold that specific property.
 # For every rule, the rule source is also displayed: a rule can come from a
-# file, from the same page (inline), or from the element itself (element).
+# file, from the same page (inline), from a constructed style sheet
+# (constructed), or from the element itself (element).
 rule.sourceInline=incorporado
+rule.sourceConstructed=construido
 rule.sourceElement=elemento
 
 # LOCALIZATION NOTE (rule.inheritedFrom): Shown for CSS rules
 # that were inherited from a parent node. Will be passed a node
 # identifier of the parent node.
 # e.g "Inherited from body#bodyID"
 rule.inheritedFrom=Heredada de %S
 

--- a/dom/chrome/dom/dom.properties
+++ b/dom/chrome/dom/dom.properties
@@ -446,8 +446,13 @@ OffscreenCanvasToBlobWarning=OffscreenCa
 IDBDatabaseCreateMutableFileWarning=IDBDatabase.createMutableFile() es obsoleto. Si esta API se estandariza, lo más probable es que lo haga bajo el esfuerzo del Sistema de Archivos Privado de Origen en https://bugzil.la/1748667.
 # LOCALIZATION NOTE: Do not translate "IDBMutableFile.open()"
 IDBMutableFileOpenWarning=IDBDatabase.createMutableFile() es obsoleto. Si esta API se estandariza, lo más probable es que lo haga bajo el esfuerzo del Sistema de Archivo Privado de Origen en https://bugzil.la/1748667.
 
 # LOCALIZATION NOTE: Do not translate "InstallTrigger"
 InstallTriggerDeprecatedWarning=InstallTrigger está obsoleto y será eliminado en el futuro.
 # LOCALIZATION NOTE: Do not translate "InstallTrigger.install()"
 InstallTriggerInstallDeprecatedWarning=InstallTrigger.install() está obsoleto y se eliminará en el futuro. Para obtener más ayuda, https://extensionworkshop.com/documentation/publish/self-distribution/
+
+# LOCALIZATION NOTE: Do not translate "mozCurrentTransform", "CanvasRenderingContext2D.getTransform()", and "CanvasRenderingContext2D.setTransform()".
+MozCurrentTransformWarning=mozCurrentTransform está obsoleto y se eliminará en el futuro. Usar CanvasRenderingContext2D.getTransform() or CanvasRenderingContext2D.setTransform() en su lugar.
+# LOCALIZATION NOTE: Do not translate "mozCurrentTransformInverse", "CanvasRenderingContext2D.getTransform()", and "CanvasRenderingContext2D.setTransform()".
+MozCurrentTransformInverseWarning=mozCurrentTransform está obsoleto y se eliminará en el futuro. Usar CanvasRenderingContext2D.getTransform() or CanvasRenderingContext2D.setTransform() en su lugar.