During the scheduled period we will be switching portions of our production traffic for the US and EU regions to an improved version of our ingress controller which will allow us to introduce support for TLS 1.3, HTTP/2 and WebSockets.
The re-routing will remain active for about 4 hours to permit the collection of telemetry data needed to ensure the correct functionality of all parts of the system. We don't expect any downtime before, during, or after the switch.
We are targeting a final switch to the new ingress controller by 2020-09-01.
Backwards incompatible changes to look out for:
- Applications relying on X-Forwarded-* headers may be impacted as the header is now using multi-value formats as per https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Forwarded-For
- The maximum size for file uploads is now limited to 100MB
- X-Proxy-* timing response headers have been replaced with X-Divio-* variants
Customers running on dedicated private regions will be contacted separately to draft a customized upgrade schedule.
Please don't hesitate to contact our support if you're encountering issues during the re-routing period.