I had both the 2015 and 2016 version of this tea.
I brewed the 2015 as the given parameters. 5g/235ml, 80C water, 30 seconds +10 seconds for each additional brewing. It was very delicate, light, and vegetale. No nuttiness like most high end Longjing that I have had. It had notes of jasmine, elderberry, melon, sencha, and lilacs. I think this tea was better than the 2016. The leaves had more fuzzies, the picking standard was higher, and the liquor more complex. It never got bitter.
I brewed the 2016 grandpa style. I used 2.5g/350ml. I used 80C water and topped up when my glass was 2/3rds full. It was sweet, lightly vegetale, and had a light nuttiness. The tea initially was very green, almost like a sencha. It then became sweet and floral like jasmine or lilacs. Fruits like melon and elderberry danced across my tongue as well. The nuttiness was like that of chesnuts. It lasted around four hours brewing this way and never got bitter.
Flavors: Chestnut, Honey, Melon