diff --git a/changelog.md b/changelog.md
index 55ca2695..022a919f 100644
--- a/changelog.md
+++ b/changelog.md
@@ -9,6 +9,7 @@ Saves from 2.5 are not compatible with 3.0.
 * **[Campaign]** Ground units must now be recruited at a base with a factory and transferred to their destination. When buying units in the UI, the purchase will automatically be fulfilled at the closest factory, and a transfer will be created on the next turn.
 * **[UI]** Campaigns generated for an older or newer version of the game will now be marked as incompatible. They can still be played, but bugs may be present.
 * **[Modding]** Campaigns now choose locations for factories to spawn.
+* **[Modding]** Can now install custom factions to <DCS saved games>/Liberation/Factions instead of the Liberation install directory.
 
 ## Fixes
 
@@ -22,6 +23,9 @@ Saves from 2.5 are not compatible with 3.0.
 
 ## Fixes
 
+* **[Campaigns]** EWRs associated with a base will now only be generated near the base.
+* **[Flight Planner]** Fixed error when generating AEW&C flight plans in campaigns with no front lines.
+
 # 2.5.0
 
 Saves from 2.4 are not compatible with 2.5.
diff --git a/game/db.py b/game/db.py
index ffeecd8c..0a46473e 100644
--- a/game/db.py
+++ b/game/db.py
@@ -1548,7 +1548,7 @@ def unit_get_expanded_info(country_name: str, unit_type, request_type: str) -> s
     default_value = None
     faction_value = None
     with UNITINFOTEXT_PATH.open("r", encoding="utf-8") as fdata:
-        data = json.load(fdata, encoding="utf-8")
+        data = json.load(fdata)
     type_exists = data.get(original_name)
     if type_exists is not None:
         for faction in type_exists:
diff --git a/game/factions/faction_loader.py b/game/factions/faction_loader.py
index fa4cf04f..d0722a00 100644
--- a/game/factions/faction_loader.py
+++ b/game/factions/faction_loader.py
@@ -2,8 +2,9 @@ from __future__ import annotations
 import json
 import logging
 from pathlib import Path
-from typing import Dict, Iterator, Optional, Type
+from typing import Dict, Iterator, List, Optional, Type
 
+from game import persistency
 from game.factions.faction import Faction
 
 FACTION_DIRECTORY = Path("./resources/factions/")
@@ -23,15 +24,22 @@ class FactionLoader:
         if self._factions is None:
             self._factions = self.load_factions()
 
+    @staticmethod
+    def find_faction_files_in(path: Path) -> List[Path]:
+        return [f for f in path.glob("*.json") if f.is_file()]
+
     @classmethod
     def load_factions(cls: Type[FactionLoader]) -> Dict[str, Faction]:
-        files = [f for f in FACTION_DIRECTORY.glob("*.json") if f.is_file()]
+        user_faction_path = Path(persistency.base_path()) / "Liberation/Factions"
+        files = cls.find_faction_files_in(
+            FACTION_DIRECTORY
+        ) + cls.find_faction_files_in(user_faction_path)
         factions = {}
 
         for f in files:
             try:
                 with f.open("r", encoding="utf-8") as fdata:
-                    data = json.load(fdata, encoding="utf-8")
+                    data = json.load(fdata)
                     factions[data["name"]] = Faction.from_json(data)
                     logging.info("Loaded faction : " + str(f))
             except Exception:
diff --git a/gen/flights/traveltime.py b/gen/flights/traveltime.py
index 98e74fac..6b6f0463 100644
--- a/gen/flights/traveltime.py
+++ b/gen/flights/traveltime.py
@@ -72,6 +72,9 @@ class TotEstimator:
         return startup_time
 
     def earliest_tot(self) -> timedelta:
+        if not self.package.flights:
+            return timedelta(0)
+
         earliest_tot = max(
             (self.earliest_tot_for_flight(f) for f in self.package.flights)
         )
diff --git a/qt_ui/main.py b/qt_ui/main.py
index 5acfba73..826e455b 100644
--- a/qt_ui/main.py
+++ b/qt_ui/main.py
@@ -213,9 +213,6 @@ def lint_weapon_data() -> None:
 def main():
     logging_config.init_logging(VERSION)
 
-    # Load eagerly to catch errors early.
-    db.FACTIONS.initialize()
-
     game: Optional[Game] = None
 
     args = parse_args()
diff --git a/requirements.txt b/requirements.txt
index 7630d67d..d1698206 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,8 @@ pathspec==0.8.1
 pefile==2019.4.18
 Pillow==8.1.1
 pre-commit==2.10.1
-PyInstaller==3.6
+pyinstaller==4.3
+pyinstaller-hooks-contrib==2021.1
 pyproj==3.0.1
 PySide2==5.15.2
 pywin32-ctypes==0.2.0
diff --git a/resources/factions/usa_2005.json b/resources/factions/usa_2005.json
index e8af8e95..57869deb 100644
--- a/resources/factions/usa_2005.json
+++ b/resources/factions/usa_2005.json
@@ -21,7 +21,6 @@
     "F_15E",
     "F_16C_50",
     "SH_60B",
-    "SH_60B",
     "S_3B",
     "UH_1H",
     "UH_60A"
diff --git a/resources/factions/usa_2005_c130.json b/resources/factions/usa_2005_c130.json
index d2ceeaf0..54e4823e 100644
--- a/resources/factions/usa_2005_c130.json
+++ b/resources/factions/usa_2005_c130.json
@@ -22,7 +22,6 @@
     "F_16C_50",
     "Hercules",
     "SH_60B",
-    "SH_60B",
     "S_3B",
     "UH_1H",
     "UH_60A"