Subject: Re: bug#63187: 30.0.50; Tail of longer lines painted after end of nearby lines on macOS

From: Po Lu <[email-masked]>
Date: Mon, 01 May 2023 07:58:26 +0800

Aaron Jensen <[email-masked]> writes:

> Is there anything specific to macOS that is involved in scrolling optimization?

Yes, Apple deleted the API used to perform bit blits, so Emacs uses a
workaround that I don't really understand, and seems unreliable.