odd deprecation notices; why does it complain about a setting method?

gistfile1.txt

GC times
frames per second:
1874.1305 1381.9783 1082.1218 793.0240 304.5309
timings:
0.0005 0.0007 0.0009 0.0013 0.0033

Saw 6 occurrences of deprecated code.
================================================================================
Method g_timeout (from GTK::Simple::App) seen at:
  shoot_em_up.p6, line 212
Will be removed with release v0.3.2!
Please use g-timeout instead.
--------------------------------------------------------------------------------
Method queue_draw (from GTK::Simple::Widget) seen at:
  shoot_em_up.p6, line 347
Will be removed with release v0.3.2!
Please use queue-draw instead.
--------------------------------------------------------------------------------
Method signal_supply (from GTK::Simple::Widget) seen at:
  shoot_em_up.p6, lines 170,186
Will be removed with release v0.3.2!
Please use signal-supply instead.
--------------------------------------------------------------------------------
Method size_request (from GTK::Simple::Widget) seen at:
  shoot_em_up.p6, lines 130,131
Will be removed with release v0.3.2!
Please use size-request instead.
--------------------------------------------------------------------------------
Method add_draw_handler (from GTK::Simple::DrawingArea) seen at:
  shoot_em_up.p6, line 620
Will be removed with release v0.3.2!
Please use add-draw-handler instead.
--------------------------------------------------------------------------------
Method run-with-updated-recursion-list (from Lock::Async) seen at:
  SETTING::src/core/Lock/Async.pm6, line 146
Will be removed with release v0.3.2!
Please use queue-draw instead.
--------------------------------------------------------------------------------
Please contact the author to have these occurrences of deprecated code
adapted, so that this message will disappear!

It might have something to do with it using DEPRECATED which is for CORE functions, instead of the is DEPRECATED trait.