this can be labeled as Scintilla issue, most of time is spend on word wrapping and measuring width.
SCI_SETLAYOUTCACHE(SC_CACHE_PAGE) may help a bit.
--
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/geany/geany/issues/2094#issuecomment-482795672