When running on Linux (PopOS (aka Ubuntu) 20.04 LTS ) Simulator 1.9, clicking the Memory Profiler button crashes the simulator.
Contents of /var/log/syslog
related to the simulator when this occurs.
Mar 8 15:29:19 pop-os PlaydateSimulat[532940]: Could not load a pixbuf from /org/pop-os/themes/Pop/3.20/assets/bullet-symbolic.png.#012This may indicate that pixbuf loaders or the mime database could not be found.
Mar 8 15:29:19 pop-os date.play.simulator.desktop[532940]: 15:29:19: Audio: allocating buffer 8192 bytes
Mar 8 15:29:19 pop-os date.play.simulator.desktop[532940]: 15:29:19: Loading: /home/rfm/PlaydateSDK-1.9.0/gol.pdx
Mar 8 15:29:19 pop-os date.play.simulator.desktop[532940]: 15:29:19: Loading: OK
Mar 8 15:29:23 pop-os date.play.simulator.desktop[532940]: **
Mar 8 15:29:23 pop-os date.play.simulator.desktop[532940]: Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /usr/share/icons/Pop/16x16/status/image-missing.png: Fatal error reading PNG image file: Invalid IHDR data (gdk-pixbuf-error-quark, 0)
Mar 8 15:29:23 pop-os date.play.simulator.desktop[532940]: Bail out! Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /usr/share/icons/Pop/16x16/status/image-missing.png: Fatal error reading PNG image file: Invalid IHDR data (gdk-pixbuf-error-quark, 0)
Mar 8 15:29:23 pop-os systemd[1163]: gnome-launched-date.play.simulator.desktop-532940.scope: Succeeded.
That did work, unfortunately the .desktop file must be pointing to a different simulator so I'll have to iron that out