Night matches have been completely re-lit. Gone are the "washed out" blacks of the vanilla game.
: Floodlights create sharper shadows and make 4K turf mods and player models stand out more clearly. PES 2017 NEW ALL TIME NIGHT EVENING MATCH UPDATE
: Every match is played under night or evening skies, regardless of the in-game calendar or selected season. Night matches have been completely re-lit
The keyword refers to a series of file modifications—specifically focused on the dt00.cpk and associated stadium server files—that manipulate the game’s internal clock and lighting parameters. PES 2017 NEW ALL TIME NIGHT EVENING MATCH UPDATE