Thanks for your reply. But I can't find any other conversations by
searching with keywords such like "SetSecondPassCallback", "phantom
handles".
If two Persistent handles refer to the same v8 object, weak callback will
be called twice. So wrappable object will be double-deleted either using
+Jungshik and Dan, who I believe worked on this feature in V8 originally.
I'm curious if they know how it happened that this ended up with the wrong
capitalization.
I appreciate the outreach you've done to fix uses in the wild, but it still
scares me a little bit to make such a hard-breaking chang
I misremembered formatToParts as a relatively recent feature, but now I see
that the intent I remembered was actually discussing NumberFormat.
DateTimeFormat did not seem to have an intent on blink-dev (but I see that
it did on v8-users).
https://www.chromestatus.com/features/6319456309477376 says
