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Have Ubuntu developers considered adding antialas to a window manager(metacity) in Ubuntu 11.04? If there is coming Unity and Compiz is needed, why not to add this feature to corners of windows manager?

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Have you solved this issue? – pl1nk Jun 27 '12 at 22:31

Compiz already has this in the form of the bicubic filter plugin.

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From where I can find it? – Medieval Nov 12 '10 at 17:55
Still, not installed or enabled by default, which seems to be the OP's point. – Bou Nov 12 '10 at 20:39
I was thinking "installed by default". – Medieval Nov 13 '10 at 6:46
then you need to report a bug. – RolandiXor Nov 13 '10 at 16:24

Installing Emerald solves this problem. It bothered me too so I've done it. Here's a screenshot:

antialiased corner

Details on how to install it if you're using Natty are in this WebUpd8 article.

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What you're describing is tracked at these two bug reports:

From a comment by a Metacity developer in the GNOME bug:

It should be trivial with any flavor of metacity that has a compositor, and impossible-ish with any flavor that does not.

Also, I believe Roland is incorrect; Compiz's Bicubic Filter plugin doesn't anti-alias window corners.

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