Hi,
Here are the changes made in 0.3.15 update:

• F6: It now cost 2 radars to find the right direction instead of 3 previously
• Increased the quantity of components for the Paris Wings and Bone Dragon Back exchange
• Lowered the quantity of components for Superior DM Coin / Glory Gem (Drakos and Bone Dragon)
• Reduced quantity of components for Superior DM Coin / F1 Coin trade (NPC Haruka)
• Reduced quantity of components for trading superior scrolls, randomizers, and monster radars (NPC Masters)
• Potion of Vigor F7 added in IM (free)
• Reduction in the quantity of components for NPC Masters trades at the crossroads
• Capsule Hunter G can now be used by drakans
• Added exp cards to stages 15-25-35-45
• Added Insurance scrolls and Soulcrat randomizer with a low rate to crossroads maps
• Increased EXP on iconic Bosses Lavalon, Revious, Akanai, Aram, Satyr
• Added vault expansion and shared account vault expansion in IM

The DGN Masters team