We are planning to roll out a change on 2022-03-03T05:00:00Z that will remove some HTTP request headers that we propagate to Netlify Functions and to external proxy requests. These are mostly internal headers that we did not intend to expose to users so we want to ensure we don’t create a confusing experience for users building applications on Netlify.
The headers we are planning to remove are prefixed with either
X-Bb- . You may have seen these headers in your request logs before and wondered what they were meant for. These are mostly headers we use for internal state tracking and they don’t provide context for the end user.
We will continue to provide a few headers in this namespace that are useful for applications. The following headers will not be removed as part of this roll out: