example/server.rb in http-2-0.8.4 vs example/server.rb in http-2-0.9.0

@@ -34,12 +34,10 @@
   ctx.alpn_select_cb = lambda do |protocols|
     raise "Protocol #{DRAFT} is required" if protocols.index(DRAFT).nil?
     DRAFT
   end
 
-  ctx.tmp_ecdh_callback = lambda do |*_args|
-    OpenSSL::PKey::EC.new 'prime256v1'
-  end
+  ctx.ecdh_curves = 'P-256'
 
   server = OpenSSL::SSL::SSLServer.new(server, ctx)
 end
 
 loop do