tdarb.org > Enabling Safari Extensions with the macOS Catalina Patcher

// 312 words // 1 minute read

Enabling Safari Extensions with the macOS Catalina Patcher

I have an old 2011 MacBook Air that is running the latest version of macOS Catalina thanks to the very wonderful Catalina Patcher by dosdude1. This project has made it possible for me to run and test some of the latest software from Apple - namely Safari 15.

I ran into a small bug early on though – Safari extensions couldn’t be activated via the preferences menu. Luckily I discovered a very simple fix. My hope is this might help others (as small of a demographic that might be) who run into the same issue with the Catalina Patcher.

Reference of what it should look like (AdBlock for this example):

<key>org.adblockplus...</key>
    <dict>
        <key>AddedDate</key>
        <date>2021-09-23T14:00:47Z</date>
        <key>Enabled</key>
        <true/>
       <key>WebsiteAccess</key>
       <dict>
           <key>Allowed Domains</key>
           <array/>
           <key>Has Injected Content</key>
           <true/>
           <key>Level</key>
           <string>All</string>
        </dict>
    </dict>

After following those simple steps you should have working extensions in Safari. Have fun on your old, “unsupported” Apple devices!


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