Yes this is an issue with Media Player.
Can you put in MS feedback?
More people give feedback the more chance it will get fixed quicker.
And sorry for the troubles.
I am experiencing the same exact problem. Immediately after the most recent Windows update, I noticed that my Bluetooth headset was no longer able to skip to the next or previous music track, pause/play or fast-forward/rewind. I tested my headset on my Android phone and the functions still work fine, but it no longer works with the most recent version of Windows 10. "Only" the volume control worked. Then once I restored to the previous version of Windows 10, all of the functions began working again on my headset, so there is definitely a bug within the latest version of Windows.