diff --git a/PKHeX.Core/Legality/Encounters/Templates/GO/PogoType.cs b/PKHeX.Core/Legality/Encounters/Templates/GO/PogoType.cs
index 0498c9bad..d24ca36f7 100644
--- a/PKHeX.Core/Legality/Encounters/Templates/GO/PogoType.cs
+++ b/PKHeX.Core/Legality/Encounters/Templates/GO/PogoType.cs
@@ -30,32 +30,40 @@ public enum PogoType : byte
     /// <summary> Mythical Pokémon captured after completing Field Research. </summary>
     ResearchM,
     /// <summary> Mythical Pokémon captured after completing Field Research. Only Poké Balls can be used. </summary>
-    ResearchP,
+    ResearchMP,
     /// <summary> Ultra Beasts captured after completing Field Research. Only Beast Balls can be used. </summary>
     ResearchUB,
     /// <summary> Mythical Pokémon captured after completing Field Research. No HUD is visible during these encounters. </summary>
-    /// <remarks> Under normal circumstances, only Poké Balls can be used, but Great Balls and Ultra Balls can be used with the Remember Last-Used Poké Ball setting. </remarks>
+    /// <remarks>
+    /// Under normal circumstances, only Poké Balls can be used, but Great Balls and Ultra Balls can be used with the Remember Last-Used Poké Ball setting.
+    /// This was rendered unusable as of version 0.277.3.
+    /// </remarks>
+    ResearchMH,
+    /// <summary> Pokémon captured after completing Field Research. No HUD is visible during these encounters. </summary>
+    /// <remarks>
+    /// The encounter defaults to the player's stock of Poké Balls. If they have none, it falls back to Great Balls, and then to Ultra Balls.
+    /// If the player has no Poké Balls, Great Balls, or Ultra Balls, the HUD fails to load in any Poké Ball at all, even if they have a Master Ball.
+    /// </remarks>
     ResearchNH,
 
     /// <summary> Pokémon captured from the GO Battle League. </summary>
     GBL = 30,
     /// <summary> Mythical Pokémon captured from the GO Battle League. </summary>
     GBLM,
-    /// <summary> Pokémon captured from the GO Battle League during GO Battle Day, excluding Legendary and Mythical Pokémon. </summary>
+    /// <summary> Pokémon captured from the GO Battle League during GO Battle Day events. Excludes Legendary Pokémon, Mythical Pokémon, and Ultra Beasts. </summary>
     GBLD,
 
     /// <summary> Pokémon captured after defeating members of Team GO Rocket. Must be Purified before transferring to Pokémon HOME. </summary>
     /// <remarks> Pokémon with this <see cref="PogoType"/> can not be moved to <see cref="GameVersion.GG"/>. </remarks>
     Shadow = 40,
 
-    /// <summary>
-    /// Pokémon captured from Special Research or Timed Research with a Premier Ball.
-    /// </summary>
+    /// <summary> Pokémon captured from Special Research or Timed Research with a Premier Ball. </summary>
     /// <remarks>
-    /// Niantic pushed release 0.269 on April 22, 2023, which contained an issue with the Remember Last-Used Poké Ball setting.
+    /// Niantic released version 0.269.0 on April 22, 2023, which contained an issue with the Remember Last-Used Poké Ball setting.
     /// This allowed for Premier Balls obtained from Raid Battles to be remembered on all future encounters.
-    /// The moment the Premier Ball touched the floor or a wild Pokémon, the encounter would end, except if it was from a Special Research and Timed Research encounter.
+    /// The moment the Premier Ball touched the floor or a wild Pokémon, the encounter would end, except if it was from a Special Research, Timed Research, or Collection Challenge encounter.
     /// This made it possible for over 300 species of Pokémon to be obtainable in a Poké Ball they were never meant to be captured in.
+    /// This bug was fixed with the release of version 0.269.2.
     /// </remarks>
     Research269 = 200,
     Research269M,
@@ -79,8 +87,9 @@ public static class PogoTypeExtensions
         PogoType.RaidS => 20,
         PogoType.Research => 15,
         PogoType.ResearchM => 15,
-        PogoType.ResearchP => 15,
+        PogoType.ResearchMP => 15,
         PogoType.ResearchUB => 15,
+        PogoType.ResearchMH => 15,
         PogoType.ResearchNH => 15,
         PogoType.GBL => 20,
         PogoType.GBLM => 20,
@@ -101,8 +110,8 @@ public static class PogoTypeExtensions
         PogoType.Wild => 0,
         PogoType.RaidM => 10,
         PogoType.ResearchM => 10,
-        PogoType.ResearchP => 10,
-        PogoType.ResearchNH => 10,
+        PogoType.ResearchMP => 10,
+        PogoType.ResearchMH => 10,
         PogoType.GBLM => 10,
         PogoType.GBLD => 0,
         PogoType.Research269M => 10,
@@ -131,7 +140,7 @@ public static bool IsBallValid(this PogoType encounterType, Ball ball)
     public static bool IsMasterBallUsable(this PogoType encounterType) => encounterType switch
     {
         PogoType.Egg or PogoType.EggS  => false,
-        PogoType.ResearchP or PogoType.ResearchUB or PogoType.ResearchNH  => false,
+        PogoType.ResearchMP or PogoType.ResearchUB or PogoType.ResearchMH or PogoType.ResearchNH  => false,
         _ => true,
     };
 
@@ -148,7 +157,7 @@ public static bool IsBallValid(this PogoType encounterType, Ball ball)
         PogoType.RaidM => Ball.Premier,
         PogoType.RaidUB => Ball.Beast,
         PogoType.RaidS => Ball.Premier,
-        PogoType.ResearchP => Ball.Poke,
+        PogoType.ResearchMP => Ball.Poke,
         PogoType.ResearchUB => Ball.Beast,
         PogoType.Shadow => Ball.Premier,
         PogoType.Research269 => Ball.Premier,
diff --git a/PKHeX.Core/Resources/legality/wild/encounter_go_home.pkl b/PKHeX.Core/Resources/legality/wild/encounter_go_home.pkl
index bdfe08c98..4929de105 100644
Binary files a/PKHeX.Core/Resources/legality/wild/encounter_go_home.pkl and b/PKHeX.Core/Resources/legality/wild/encounter_go_home.pkl differ
diff --git a/PKHeX.Core/Resources/legality/wild/encounter_go_lgpe.pkl b/PKHeX.Core/Resources/legality/wild/encounter_go_lgpe.pkl
index 0780510b3..9af64a6ac 100644
Binary files a/PKHeX.Core/Resources/legality/wild/encounter_go_lgpe.pkl and b/PKHeX.Core/Resources/legality/wild/encounter_go_lgpe.pkl differ