https://bugs.documentfoundation.org/show_bug.cgi?id=156125

Stéphane Guillou (stragu) <[email protected]> changed:

           What    |Removed                     |Added
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           Keywords|                            |perf

--- Comment #8 from Stéphane Guillou (stragu) 
<[email protected]> ---
(In reply to Stéphane Guillou (stragu) from comment #6)
> Also in 7.4.7.2, but not in 7.3.7.2. So we might be seeing something
> different, if you see the same issue in 7.3.7.2.

I take that back. I found a regression in performance in 7.1 with choppiness of
scroll when formulas are present:

1. Using trackpad scroll, scroll down 1 page and back to the top of the
document, fast.
I see the canvas having hiccups on the top section's formulas since 7.1, but
not in 7.0 - which might be more consistent with what Jan sees.

Bibisected with linux-64-7.1 repository to first bad commit
c391d02248a86bfc4a57448859eaf70403a365a7 which points to core commit:

commit  d336e6c26012255015d3fc0caf8e7fafe14bd8f2
author  Daniel Arato (NISZ) <[email protected]>      Mon Aug 24 11:05:17
2020 +0200
committer       László Németh <[email protected]>   Fri Aug 28 13:13:58
2020 +0200
tdf#69647 sw layout: fix line spacing with inline pictures
Line height is now based on (the biggest) font size in the
line rather than on the size of the tallest object there,
according to ODF and like MSO does.
Note: handling of first paragraph line is still different.
Co-authored-by: Attila Bánhegyi (NISZ)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/101272

Jan, can you please compare versions 7.0 and 7.1 to confirm you are looking at
the same issue? https://downloadarchive.documentfoundation.org/libreoffice/old/

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