Set the IVs of default starters to 15.

src/data/challenge.ts

@@ -653,7 +653,7 @@ export class FreshStartChallenge extends Challenge {
     pokemon.shiny = false; // Not shiny
     pokemon.variant = 0; // Not shiny
     pokemon.formIndex = 0; // Froakie should be base form
-    pokemon.ivs = [ 10, 10, 10, 10, 10, 10 ]; // Default IVs of 10 for all stats
+    pokemon.ivs = [ 15, 15, 15, 15, 15, 15 ]; // Default IVs of 15 for all stats (Updated to 15 from 10 in 1.2.0)
     return true;
   }
 

src/system/game-data.ts

@@ -1540,7 +1540,7 @@ export class GameData {
       entry.caughtAttr = defaultStarterAttr;
       entry.natureAttr = 1 << (defaultStarterNatures[ds] + 1);
       for (const i in entry.ivs) {
-        entry.ivs[i] = 10;
+        entry.ivs[i] = 15;
       }
     }