diff --git a/core/config.mk b/core/config.mk
index 8cfda5f..62f1337 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -738,7 +738,38 @@
 endif
 
 FRAMEWORK_MANIFEST_FILE := system/libhidl/manifest.xml
-FRAMEWORK_COMPATIBILITY_MATRIX_FILE := hardware/interfaces/compatibility_matrix.xml
+
+# Compatibility matrix versioning:
+# MATRIX_LEVEL_OVERRIDE defined: MATRIX_LEVEL = MATRIX_LEVEL_OVERRIDE
+# MATRIX_LEVEL_OVERRIDE undefined:
+#   FULL_TREBLE != true: MATRIX_LEVEL = legacy
+#   FULL_TREBLE == true:
+#     SHIPPING_API_LEVEL defined: MATRIX_LEVEL = SHIPPING_API_LEVEL
+#     SHIPPING_API_LEVEL undefined: MATRIX_LEVEL = PLATFORM_SDK_VERSION
+# MATRIX_LEVEL == legacy => legacy.xml
+# MATRIX_LEVEL <= 26 => 26.xml
+# MATRIX_LEVEL == 27 => 27.xml # define when 27 releases
+# MATRIX_LEVEL == 28 => 28.xml # define when 28 releases
+# ...
+# otherwise => current.xml
+
+ifneq ($(PRODUCT_COMPATIBILITY_MATRIX_LEVEL_OVERRIDE),)
+  PRODUCT_COMPATIBILITY_MATRIX_LEVEL := $(PRODUCT_COMPATIBILITY_MATRIX_LEVEL_OVERRIDE)
+else ifneq ($(PRODUCT_FULL_TREBLE),true)
+  PRODUCT_COMPATIBILITY_MATRIX_LEVEL := legacy
+else ifneq ($(PRODUCT_SHIPPING_API_LEVEL),)
+  PRODUCT_COMPATIBILITY_MATRIX_LEVEL := $(PRODUCT_SHIPPING_API_LEVEL)
+else
+  PRODUCT_COMPATIBILITY_MATRIX_LEVEL := $(PLATFORM_SDK_VERSION)
+endif
+
+ifeq ($(strip $(PRODUCT_COMPATIBILITY_MATRIX_LEVEL)),legacy)
+  FRAMEWORK_COMPATIBILITY_MATRIX_FILE := hardware/interfaces/compatibility_matrix.legacy.xml
+else ifeq ($(call math_gt_or_eq,$(PRODUCT_COMPATIBILITY_MATRIX_LEVEL),27),)
+  FRAMEWORK_COMPATIBILITY_MATRIX_FILE := hardware/interfaces/compatibility_matrix.26.xml
+else
+  FRAMEWORK_COMPATIBILITY_MATRIX_FILE := hardware/interfaces/compatibility_matrix.current.xml
+endif
 
 # ###############################################################
 # Set up final options.