https://github.com/metosin/muuntaja/blob/master/modules/muuntaja/src/muuntaja/core.clj#L116 :default-format

Doesn't seem to be respected by reitit 😞

yeah, reitit doesn't. you can add content-type middleware from ring before muuntaja as a temporary solution but it would be cool if muuntaja can handle it itself.

however this looks like a bug muuntaja adds both request and response format in the middleware but sets request format to nil in case of missing content-type

https://github.com/metosin/muuntaja/blob/master/modules/muuntaja/src/muuntaja/core.clj#L461 probably here - -negotiate-content-type possibly can return nil

@UK0810AQ2 did you write anything for this?

https://github.com/metosin/muuntaja/issues/133 I wonder if there's something else for content negotiation