The Grand Pile - the haystack now holds 24,000,000 strands
Seven needles - The Weaver's Bodkin and The Surgeon's Needle join the hunt, each with its own journal page
Wrapped needles - the two new needles hide from scanners until you research the Needle Scanner Mk2
New technologies - Needle Scanner Mk2, Deep Harvester (+2.5 m reach) and Mega Belts
Five new objectives - 28 in total, up to "find every needle"
Season 2 - fresh leaderboards for the Grand Pile
Four new achievements - X-Ray Vision, Patience Is a Thread, Steady Hands and Deep Digger
Display case - rebuilt with seven velvet slots and engraved name plates
HUD, journal and victory screen - now count up to seven needles
Classic saves - games started before 2.0 keep their 12 M pile and 5 needles until you start a new game
Balance - early game unchanged; Biomass Boiler, Pellet Press and Magnetic Needle Catch now cost 1.5x
Season 1 - the old rankings stay in the journal under Season 1
Journal - the needle page no longer shows a wrong compass side for randomized needles
Display case - the title plate text no longer runs into the screws