diff --git a/pythonlib/camoufox/ip.py b/pythonlib/camoufox/ip.py
index b1dc976..1b60672 100644
--- a/pythonlib/camoufox/ip.py
+++ b/pythonlib/camoufox/ip.py
@@ -62,10 +62,12 @@ class Proxy:
         }
 
 
+@lru_cache(128, typed=True)
 def valid_ipv4(ip: str) -> bool:
     return bool(re.match(r'^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$', ip))
 
 
+@lru_cache(128, typed=True)
 def valid_ipv6(ip: str) -> bool:
     return bool(re.match(r'^(([0-9a-fA-F]{0,4}:){1,7}[0-9a-fA-F]{0,4})$', ip))
 
diff --git a/pythonlib/camoufox/locale.py b/pythonlib/camoufox/locale.py
index 173b986..7a0662a 100644
--- a/pythonlib/camoufox/locale.py
+++ b/pythonlib/camoufox/locale.py
@@ -61,7 +61,7 @@ class Locale:
         return data
 
 
-@dataclass
+@dataclass(frozen=True)
 class Geolocation:
     """
     Stores geolocation information.
diff --git a/settings/camoufox.cfg b/settings/camoufox.cfg
index 5cb5bbd..0a9ade0 100644
--- a/settings/camoufox.cfg
+++ b/settings/camoufox.cfg
@@ -341,9 +341,6 @@ defaultPref("browser.toolbars.bookmarks.visibility", "never");
 // Do not reopen windows on startup
 defaultPref("privacy.clearOnShutdown.openWindows", true);
 
-// Clipboard
-defaultPref("dom.event.clipboardevents.enabled", false); // disable user triggered clipboard access
-
 // Fingerprinting
 defaultPref("privacy.resistFingerprinting", false); // This will actually hurt fingerprinting.
 // defaultPref("privacy.resistFingerprinting.block_mozAddonManager", true); // prevents rfp from breaking AMO
@@ -458,10 +455,9 @@ defaultPref("network.cookie.cookieBehavior", 4);
 // issue we can povide custom '@mozilla.org/ipc/processselector;1'
 // defaultPref("dom.ipc.processCount", 60000);
 
-// Dear Playwright devs,
-// YES! This does cause a significant performance hit!
-// Camoufox will be keeping this at 1 for the foreseeable future.
-defaultPref("dom.ipc.processCount", 1);
+// Using 16 is to balance process isolation and resource usage
+// The 60000 PlayWright is using is impractical and may cause instability.
+defaultPref("dom.ipc.processCount", 16);
 
 // Never reuse processes as they may keep previously overridden values
 // (locale, timezone etc.).