from the beginning of this year https://irezumi.bandcamp.com/album/thirty comes to mind instantly. i've listened to it a lot.
that said, ambient albums vary wildly in quality so mixes/podcasts are my shortcut (hopefully!) to the good shit.
british group Zoviet France have a show on Resonance FM + podcast: http://zovietfrance.podbean.com/ i've found a lot of good stuff through this.
Ben UFO and the Hessle show on Rinse have been a good source for tracks, artists, and labels as well.
NY based podcast Mysteries Of The Deep http://mysteriesofthedeep.mx/
quite a bit of techno stuff but the odd ambient mix at Taipei based Smoke Machine http://smkmachine.com/
Swedish blog(?) Sounds Of A Tired City, I got this from someone here (big up whoever you are) http://soundsofatiredcity.com/ quite a bit more eclectic than the others but well worth a dig