Yes, Beamer is also supported on Yosemite.
Apple TV is not found
Fixed in Beamer 2.0.5: Yosemite has an issue causing the list of available AirPlay devices not to be correctly filled. The current workaround is to turn of your network (WiFi) for 10 seconds and then turn it back on.
Loading subtitles in Beamer 1
Fixed in Beamer 1.7.9: When using Beamer 1 on Yosemite, loading subtitles is not working.
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