diff --git a/fastf1/_api.py b/fastf1/_api.py
index b6d91212..02e4f532 100644
--- a/fastf1/_api.py
+++ b/fastf1/_api.py
@@ -860,11 +860,7 @@ def timing_app_data(path, response=None, livedata=None):
                     data['Driver'][-1] = driver_number
                     data['Stint'][-1] = stint_number
 
-    df = pd.DataFrame(data)
-    # pandas doesn't correctly infer bool dtype columns, set type explicitly
-    df[['New', 'TyresNotChanged']] \
-        = df[['New', 'TyresNotChanged']].astype(bool)
-    return df
+    return pd.DataFrame(data)
 
 
 @Cache.api_request_wrapper
diff --git a/fastf1/core.py b/fastf1/core.py
index 508699fe..dfd4fa57 100644
--- a/fastf1/core.py
+++ b/fastf1/core.py
@@ -1463,7 +1463,6 @@ def _load_laps_data(self, livedata=None):
         data.drop(columns=['NumberOfPitStops'], inplace=True)
         useful = app_data[['Driver', 'Time', 'Compound', 'StartLaps', 'New',
                            'Stint']]
-        useful = useful[~useful['Compound'].isnull()]
 
         drivers = self.drivers
         if not drivers:
diff --git a/fastf1/req.py b/fastf1/req.py
index 46cc669b..8e4094ed 100644
--- a/fastf1/req.py
+++ b/fastf1/req.py
@@ -218,7 +218,7 @@ class Cache(metaclass=_MetaCache):
     """
     _CACHE_DIR = None
     # version of the api parser code (unrelated to release version number)
-    _API_CORE_VERSION = 13
+    _API_CORE_VERSION = 14
     _IGNORE_VERSION = False
     _FORCE_RENEW = False