'Progress' steam achievements only update on steam after closing the game. Normal behaviour?

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I have a progress achievement set up, however when I’m in the game and press L a few times the achievements in the overlay doesn’t update to reflect my progress. Only after exiting the game do I see the progress bar updated. Is this normal, it’s not ideal when it comes to player feedback.

Also how can I get the milestones popup? Like when it says 10/20 for the achievement.
Thanks.