Turns on disableLegacyMode for OSS

Author: gnoff

packages/shared/ReactFeatureFlags.js

@@ -179,7 +179,7 @@ export const enableReactTestRendererWarning = __NEXT_MAJOR__;
 // Disables legacy mode
 // This allows us to land breaking changes to remove legacy mode APIs in experimental builds
 // before removing them in stable in the next Major
-export const disableLegacyMode = __NEXT_MAJOR__;
+export const disableLegacyMode = true;
 
 export const disableDOMTestUtils = __NEXT_MAJOR__;
 

packages/shared/forks/ReactFeatureFlags.test-renderer.js

@@ -89,7 +89,7 @@ const __NEXT_MAJOR__ = __EXPERIMENTAL__;
 export const enableRefAsProp = __NEXT_MAJOR__;
 export const disableStringRefs = __NEXT_MAJOR__;
 export const enableBigIntSupport = __NEXT_MAJOR__;
-export const disableLegacyMode = __NEXT_MAJOR__;
+export const disableLegacyMode = true;
 export const disableLegacyContext = __NEXT_MAJOR__;
 export const disableDOMTestUtils = __NEXT_MAJOR__;
 export const enableRenderableContext = __NEXT_MAJOR__;