Have not changed any factions must be on your end.
All the mod dose is add in new grenades that spawn in NPCs for testing.
If the NPC Factions are suddenly hostile to the player that might be a different mod that edits AI Data or Relationships Stats maby even the Aggression Stats, however this mod dose non of that.
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https://www.nexusmods.com/fallout4/mods/67442
https://www.nexusmods.com/fallout4/mods/67685/
All the mod dose is add in new grenades that spawn in NPCs for testing.
If the NPC Factions are suddenly hostile to the player that might be a different mod that edits AI Data or Relationships Stats maby even the Aggression Stats, however this mod dose non of that.
https://www.nexusmods.com/fallout4/mods/67685/