News in 5.4.2, 2022-06-12
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* Updated languages: c.lang, perl.lang
* Updated style-schemes: Adwaita-dark, solarized-light, solarized-dark
* Updated translations: Friulian
* Gutter renderers are now provided a prelight quark for lines when the
pointer is over the gutter.
* Hover assistants now avoid synthesized motion which is used much more
often in GTK 4 when dealing with crossing-events.
* Hover assistants will now dismiss themselves when the cursor moves.
* GtkSourceMap has reduced how often it needs to do allocation by ignoring
spurious notify::upper and value-changed signals from GtkTextView's
vertical GtkAdjustment.
* The testsuite has gained some correctness improvements thanks to
issues pointed out by Sébastien Wilmet.
* The Vim emulation's register implementation is now shared between buffers
as it would be expected in Vim.
* Snippets have gained some robustness improvements including the ability
to simplify results from the snippet parser, more defensive behavior,
and being lazier when possible.
* Tabbing through focus-positions in snippets will now immediately jump
to the new position if scrolling is required instead of animating as
it results in better placement of tooltip assistants.
* Assistants including completion, hover, and interactive tooltips now
reduce how often they request presentation and position calculation from
GDK and ultimately display servers such as Wayland.
* Completion windows now take the size of the gutter into account when
calculating their position relative to the parent GtkWindow so that the
typed-text column remains aligned with typed text in the source view.
* Completion has gained robustness improvements to do less work when
possible and avoid spinning the frame-clock which could happen in
certain scenarios.
It is recommended that distributions update to this release if they are
already shipping a GtkSourceView 5.4.x release.
