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firefox.cfg no longer overwrite new tab content

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This code in mozilla.cfg used to overwrite new tab, but as of latest firefox 136.0b1 no longer works. Any way to fix this? There error in Browser Console.

// mozilla.cfg needs to start with a comment line var {classes:Cc,interfaces:Ci,utils:Cu} = Components;

/* set new tab page */ try {

 Cu.import("resource:///modules/AboutNewTab.jsm");
 var newTabURL = "file:///D:/Documents/images/home.html";
 AboutNewTab.newTabURL = newTabURL;

} catch(e){Cu.reportError(e);} // report errors in the Browser Console

This code in mozilla.cfg used to overwrite new tab, but as of latest firefox 136.0b1 no longer works. Any way to fix this? There error in Browser Console. // mozilla.cfg needs to start with a comment line var {classes:Cc,interfaces:Ci,utils:Cu} = Components; /* set new tab page */ try { Cu.import("resource:///modules/AboutNewTab.jsm"); var newTabURL = "file:///D:/Documents/images/home.html"; AboutNewTab.newTabURL = newTabURL; } catch(e){Cu.reportError(e);} // report errors in the Browser Console

Chosen solution

Found the solution:

// mozilla.cfg needs to start with a comment line ChromeUtils.defineESModuleGetters(this, {AboutNewTab: "resource:///modules/AboutNewTab.sys.mjs",});

 var newTabURL = "file:///D:/Documents/images/home.html";
 AboutNewTab.newTabURL = newTabURL;
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Chosen Solution

Found the solution:

// mozilla.cfg needs to start with a comment line ChromeUtils.defineESModuleGetters(this, {AboutNewTab: "resource:///modules/AboutNewTab.sys.mjs",});

 var newTabURL = "file:///D:/Documents/images/home.html";
 AboutNewTab.newTabURL = newTabURL;

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