This is the response from Samyang regarding the upcoming 35mm f/1.4 lens:
"We would like to show a sample on Photokina.
It starts 21 September of this year.
35mm will be 1.4 we don't plan to make it 1.2. It should be available at the end of this year."
You can see the complete email correspondence on FredMiranda.
The Samyang 35mm f/1.4 lens will have manual focus.