[kmail2] [Bug 278046] KMail freezes when replying to long messages in HTML

[Louis Moureaux]

https://bugs.kde.org/show_bug.cgi?id=278046

--- Comment #21 from Louis Moureaux <m_louis30 at yahoo.com> ---
Sorry for the email replies with quotations. I quickly confirmed the following
in a Qt 6 build:

Editing long messages is slow. I typed the word "test" many times, one on each
line. I start feeling the performance at 100k words, and at 500k words it
becomes unbearable (1s to type a single letter). KWrite is still super sleek at
this level.

I did the same test in a simple QTextEdit and got results similar to KMail's
editor.

It does seem to be a Qt bug.

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