send millisecond precision timestamps (#146)

* send millisecond precision timestamps

* update MixpanelUnityVersion and CHANGELOG

* use TotalMilliseconds

Author: jaredmixpanel

CHANGELOG.md

@@ -1,5 +1,13 @@
 #
 
+## [v3.3.0](https://github.com/mixpanel/mixpanel-unity/tree/v3.3.0) (2022-08-02)
+
+### Enhancements
+
+- Send millisecond precision timestamps with events and people updates [\#146](https://github.com/mixpanel/mixpanel-unity/pull/146)
+
+#
+
 ## [v3.2.0](https://github.com/mixpanel/mixpanel-unity/tree/v3.2.0) (2022-04-30)
 
 ### Enhancements

Mixpanel/MixpanelAPI.cs

@@ -18,7 +18,7 @@ namespace mixpanel
     /// </code>
     public static partial class Mixpanel
     {
-        internal const string MixpanelUnityVersion = "3.2.0";
+        internal const string MixpanelUnityVersion = "3.3.0";
 
         /// <summary>
         /// Creates an Mixpanel instance. Use only if you have enabled "Manual Initialization" from your Project Settings.

Mixpanel/Worker.cs

@@ -17,7 +17,7 @@ internal static class Util
         internal static double CurrentTime()
         {
             DateTime epochStart = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
-            double currentEpochTime = (DateTime.UtcNow - epochStart).TotalSeconds;
+            long currentEpochTime = (long)(DateTime.UtcNow - epochStart).TotalMilliseconds;
             return currentEpochTime;
         }
 

package.json

@@ -1,7 +1,7 @@
 {
   "name": "com.mixpanel.unity",
   "displayName":  "Mixpanel",
-  "version": "3.2.0",
+  "version": "3.3.0",
   "description": "Official Mixpanel library for Unity.",
   "repository": {
     "type": "git",