Choppy scrolling on webpage

Describe the bug Scrolling is not buttery smooth on jetbrains website. Instead it's laggy.

Precise recipe to reproduce the issue

https://www.jetbrains.com/go/
Scroll to bottom

For website-specific issues: Can you reproduce this issue with Epiphany / GNOME Web (https://wiki.gnome.org/Apps/Web)? Gnome web works fine.

Information

OS name+version: Fedora Linux 39 (Workstation Edition)
Graphics card and driver: Intel® UHD Graphics 620 (KBL GT2), Quadro P500
Desktop environment / Window manager name+version: GNOME Shell 45.6
Installation method (Flatpak, Guix, package manager, build from source): build from source

Output of nyxt --system-information:


$ ./nyxt --system-information
Nyxt version: 4
Renderer: GI-GTK
Operating system kernel: Linux 6.8.9-200.fc39.x86_64
Lisp implementation: SBCL 2.3.6-2.fc39 (Dynamic space size: 3221225472)
Features: (:NYXT-GI-GTK :NYXT-GTK :NYXT-GI-GTK :NYXT-GTK :WEBKIT2 :WEBKIT-2.44.1
:WEBKIT-2.44 :WEBKIT-2 :WEBKIT2-CORS-ALLOWLIST :WEBKIT2-PASTE-PLAINTEXT
:WEBKIT2-TRACKING :WEBKIT2-MUTE :WEBKIT2-EMOJI :WEBKIT2-MEDIA
:WEBKIT2-SANDBOXING :GTK-3-22 :GTK-3-20 :GTK-3-18 :GTK-3-16 :GTK-3-14
:GTK-3-12 :GTK-3-10 :GTK-3-8 :GTK-3-6 :GTK-3-4 :GTK :GDK-3-22 :GDK-3-20
:GDK-3-18 :GDK-3-16 :GDK-3-14 :GDK-3-12 :GDK-3-10 :GDK-3-8 :GDK-3-6 :GDK-3-4
:CAIRO-1-10 :CAIRO-1-12 :GDK-PIXBUF :GLIB-2-30 :GLIB-2-32 :GLIB-2-34
:GLIB-2-36 :GLIB-2-38 :GLIB-2-40 :GLIB-2-42 :GLIB-2-44 :GLIB-2-46 :GLIB-2-48
:GLIB-2-50 :GLIB-2-52 :GLIB-2-54 :GLIB-2-56 :GLIB-2-58 :GLIB :NYXT-4
:CLIPBOARD-CONTENT-METHOD :SWANK :SLYNK :PLUMP-UTF-32 :PARENSCRIPT :NSYMBOLS
:FSET-EXT-STRINGS :SBCL+SAFE-STANDARD-READTABLE :NAMED-READTABLES :GLOBAL-VARS
:LPARALLEL :21BIT-CHARS :CUSTOM-HASH-TABLE-NATIVE :CLOSER-MOP
:CL-PPCRE-UNICODE :CL-UNICODE :CL-JSON-DOUBLE-FLOAT-IS-SUBSUMED
:CL-JSON-SINGLE-FLOAT-IS-SUBSUMED :CHUNGA :FLEXI-STREAMS :CL-PPCRE
:BORDEAUX-THREADS :LPARALLEL.WITH-CLTL2 :LPARALLEL.WITH-CAS
:LPARALLEL.WITH-STEALING-SCHEDULER :SPLIT-SEQUENCE
CFFI-FEATURES:FLAT-NAMESPACE CFFI-FEATURES:X86-64 CFFI-FEATURES:UNIX :CFFI
CFFI-SYS::FLAT-NAMESPACE ALEXANDRIA::SEQUENCE-EMPTYP :FAST-IO-SV :FAST-IO
:CL-JSON-CLOS :CL-JSON :SBCL-USES-SB-ROTATE-BYTE CHIPZ-SYSTEM:GRAY-STREAMS
:THREAD-SUPPORT :ASDF3.3 :ASDF3.2 :ASDF3.1 :ASDF3 :ASDF2 :ASDF :OS-UNIX
:NON-BASE-CHARS-EXIST-P :ASDF-UNICODE :ARENA-ALLOCATOR :X86-64 :GENCGC :64-BIT
:ANSI-CL :COMMON-LISP :ELF :IEEE-FLOATING-POINT :LINUX :LITTLE-ENDIAN
:PACKAGE-LOCAL-NICKNAMES :SB-CORE-COMPRESSION :SB-LDB :SB-PACKAGE-LOCKS
:SB-THREAD :SB-UNICODE :SBCL :UNIX)

ASDF version: 3.3.1 ASDF registries: (NYXT-SOURCE-REGISTRY ENVIRONMENT-SOURCE-REGISTRY USER-SOURCE-REGISTRY USER-SOURCE-REGISTRY-DIRECTORY DEFAULT-USER-SOURCE-REGISTRY SYSTEM-SOURCE-REGISTRY SYSTEM-SOURCE-REGISTRY-DIRECTORY DEFAULT-SYSTEM-SOURCE-REGISTRY) Critical dependencies: (/home/user/common-lisp/nyxt/_build/cl-cffi-gtk/gtk/cl-cffi-gtk.asd /home/user/common-lisp/nyxt/_build/cl-gobject-introspection/cl-gobject-introspection.asd /home/user/common-lisp/nyxt/_build/cl-webkit/webkit2/cl-webkit2.asd)


__Output when nyxt is run from command line__

$ WEBKIT_DISABLE_COMPOSITING_MODE=1 ./common-lisp/nyxt/nyxt Nyxt version 4

[18:29:37] Source location: #P"/home/user/common-lisp/nyxt/" [18:29:37] Listening to socket: #P"/run/user/1000/nyxt/nyxt.socket" (nyxt:3649224): Gtk-CRITICAL **: 18:29:38.069: gtk_box_pack: assertion '_gtk_widget_get_parent (child) == NULL' failed [18:29:38] Loading #P"/home/user/.local/share/nyxt/history/default.lisp". [18:29:39] Restoring 42 buffers from history. [18:29:39] Loading #P"/home/user/.local/share/nyxt/auto-rules.lisp". [18:29:40] Loading #P"/home/user/.local/share/nyxt/history/default.lisp". [18:29:45] Loading "https://www.jetbrains.com/go/". [18:29:48] Finished loading "https://www.jetbrains.com/go/". [18:30:52] Loading #P"/home/user/.local/share/nyxt/bookmarks.lisp". ```

atlas-engineer / nyxt

Choppy scrolling on webpage #3500