Snow Leopard’s 64-bit Safari and Unity
Update: We have released Unity 2.6.1 on December 2nd this year, which includes an update to the Mac Unity Web Plugin, which is fully compatible with 64-bit Safari on OS X 10.6 Snow Leopard.
So, most of you have probably heard the news: Apple is going to release Mac OS X 10.6 “Snow Leopard” this Friday. This release will give Mac users plenty of new feature goodness and new technologies to play with, and brings a lot of changes under the hood. Unfortunately, I must inform you that one of these changes may cause some grief for Unity users, at least for the time being:
Apple reengineered Safari to run as a full 64-bit application. While this is a good thing, it has a pretty big impact on plugin developers like us. Even though plugins do not actually need to be 64-bit binaries themselves, since they are now running as separate processes, they need to communicate with Safari using new 64-bit capable APIs. Basically, the old Carbon-based NPAPI is being replaced with a Cocoa-based version, which requires a lot of restructuring of plugin code.
Unfortunately, this change sort of caught us by surprise – the APIs which are now required have just been publically released in Safari 4.0, and are now being made mandatory to use in Snow Leopard less than three months later. Which now means that we won’t be able to ship a working web plugin for 64-bit by it’s release date this friday. We are working on it as hard as we can, and we do have a working proof of concept of Unity web content displaying in 64-bit Safari. We aim to release an updated plugin in October.
Until then, there are two possibly ways to play Unity web content on Snow Leopard: One is to use Firefox, which still works as always. The other one is to set up Safari to run in 32-bit mode. To do that, click Safari in the Finder, select Get Info from the context menu, and click on Open in 32-bit mode.
if (navigator.appVersion.indexOf("Safari") != -1
&& navigator.appVersion.indexOf("Mac OS X 10_6") != -1
&& document.getElementById("UnityEmbed").GetPluginVersion == undefined)
document.write('<br>You are running Safari in 64-bit mode, which is not yet supported by ')
document.write('the Unity web plugin.<br>');
document.write('To see the content, switch Safari to 32-bit mode, or use Firefox. <br>');
document.write('See <a href="http://blogs.unity3d.com/?p=1358">this blog post</a>');
document.write(' for more information. <br>');
If you are using our default html template, you can just add this code after the line document.write(”);.
We apologize for any inconveniences this causes, and, as always, we will try to resolve the issue ASAP. Looking forward, though, moving to these new APIs will make the Unity web experience a better one, as this allows us to do more robust input handling, and proper layering of Unity content with other parts of your web site.
Oh, and before anyone asks: The Unity editor as well as standalone games made with Unity are unaffected by this issue.
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