Its always good to see extensions developers making their add-ons compatible with Firefox 4 as yesterday Firefox 4 Beta 4 released Read It Later updates their Beta supporting Firefox 4 moreover Read It Later supports Panorama feature (formerly Tab Candy), so if you have installed latest Firefox 4 beta 4 then you can try beta version of Read It Later in Firefox 4.

Read It Later add-on supports FIrefox 4

Read It Later announced in their blog that their Read it Later for Firefox 2.07  beta now available with Firefox 4 support.

New feature in this beta release apart from support for Firefox 4 and support for Panorama is download support for sites requiring logins.Some bugs are also fixed which you can read on their blog.

To install Read it Later Beta supporting Firefox 4

1.Download Read It Later for Firefox 2.07  Beta 1

2.Save to desktop, select downloaded file through File menu>open File.

3.Install the extension and restart Firefox .

4.You can observe Read It Later button on Firefox Panorama.