[libcxx-commits] [libcxx] [libcxx] Document std::deque default behavior change (PR #206626)

[Prabhu Rajasekaran via libcxx-commits]

Prabhuk wrote:

> We usually don't release note changes only affecting the unstable ABI, since it's a change only relevant to vendors and we expect them to pay some attention to what happens. Did you get a request for this somewhere?

No I did not receive any such requests. I did not know the release notes policy regarding the unstable ABI. I was just trying to be proactive. I'll close this PR. 

https://github.com/llvm/llvm-project/pull/206626