community.general/changelogs/fragments/51824-slack-req-content-type.yaml

minor_changes:
    - >-
      slack: Explicitly set Content-Type header to "application/json" for
      improved compatibility with non-Slack chat systems
callbacks/slack: Explicitly set Content-Type header (#51824) There are other chat systems with hook implementations more or less compatible with Slack, such as Rocket.Chat. The latter requires the Content-Type header to be set to "application/json" (the body is JSON). Signed-off-by: Michael Hanselmann <public@hansmi.ch> 2019-02-12 18:47:33 +01:00			`minor_changes:`
			`- >-`
			`slack: Explicitly set Content-Type header to "application/json" for`
			`improved compatibility with non-Slack chat systems`