diff --git a/Project.toml b/Project.toml
index daff7794..2d72cd06 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "Gtk4"
 uuid = "9db2cae5-386f-4011-9d63-a5602296539b"
-version = "0.7.3"
+version = "0.7.4"
 
 [deps]
 BitFlags = "d1d4a3ce-64b1-5f1a-9ba4-7e7e69966f35"
diff --git a/src/Gtk4.jl b/src/Gtk4.jl
index fe06b5f9..9097ff34 100644
--- a/src/Gtk4.jl
+++ b/src/Gtk4.jl
@@ -98,6 +98,17 @@ let skiplist = [:selected_rows, :selected, :selection_bounds, # handwritten meth
     end
 end
 
+let havechild = [:GtkButton,:GtkCheckButton,:GtkMenuButton,:GtkFrame,:GtkAspectFrame,
+                 :GtkExpander,:GtkOverlay,:GtkPopover,:GtkRevealer,:GtkViewport,
+                 :GtkSearchBar,:GtkComboBox,:GtkWindow,:GtkScrolledWindow]
+    for haschild in havechild
+        @eval begin
+            getindex(w::$haschild) = G_.get_child(w)
+            setindex!(w::$haschild, c::Union{Nothing,GtkWidget}) = G_.set_child(w,c)
+        end
+    end
+end
+
 include("Gdk4.jl")
 include("base.jl")
 include("builder.jl")
diff --git a/src/base.jl b/src/base.jl
index d1b5691a..8e7e1acd 100644
--- a/src/base.jl
+++ b/src/base.jl
@@ -305,7 +305,7 @@ Create a `GtkApplication` with DBus id `id` and flags.
 
 Related GTK function: [`gtk_application_new`()]($(gtkdoc_method_url("gtk4","Application","new")))
 """
-GtkApplication(id = nothing, flags = GLib.ApplicationFlags_FLAGS_NONE) = G_.Application_new(id,flags)
+GtkApplication(id = nothing, flags = GLib.ApplicationFlags_FLAGS_NONE; kwargs...) = GtkApplication(id,flags; kwargs...)
 function push!(app::GtkApplication, win::GtkWindow)
     G_.add_window(app, win)
     app
diff --git a/src/buttons.jl b/src/buttons.jl
index 5fb90db8..0be4c47e 100644
--- a/src/buttons.jl
+++ b/src/buttons.jl
@@ -36,9 +36,6 @@ function GtkButton(s::Symbol,str::AbstractString)
     end
 end
 
-setindex!(f::GtkButton, w::Union{Nothing,GtkWidget}) = G_.set_child(f,w)
-getindex(f::GtkButton) = G_.get_child(f)
-
 function on_signal_clicked(@nospecialize(clicked_cb::Function), widget::GtkButton, vargs...)
     signal_connect(clicked_cb, widget, "clicked", Nothing, (), vargs...)
 end
@@ -82,6 +79,7 @@ function GtkVolumeButton(value::Real; kwargs...) # 0 <= value <= 1
 end
 
 popup(b::GtkMenuButton) = G_.popup(b)
+popdown(b::GtkMenuButton) = G_.popdown(b)
 
 function GtkPopoverMenu(model::GMenu, nested::Bool = false)
     if nested
diff --git a/src/layout.jl b/src/layout.jl
index aaa66b29..6a986cd0 100644
--- a/src/layout.jl
+++ b/src/layout.jl
@@ -221,19 +221,6 @@ function GtkFrame(w::GtkWidget, label=nothing; kwargs...)
     f
 end
 
-setindex!(f::GtkFrame, w::Union{Nothing,GtkWidget}) = G_.set_child(f,w)
-getindex(f::GtkFrame) = G_.get_child(f)
-
-## GtkAspectFrame - A widget that preserves the aspect ratio of its child
-
-setindex!(f::GtkAspectFrame, w::Union{Nothing,GtkWidget}) = G_.set_child(f,w)
-getindex(f::GtkAspectFrame) = G_.get_child(f)
-
-## GtkExpander
-
-setindex!(f::GtkExpander, w::Union{Nothing,GtkWidget}) = G_.set_child(f,w)
-getindex(f::GtkExpander) = G_.get_child(f)
-
 ## GtkNotebook
 
 function insert!(w::GtkNotebook, position::Integer, x::GtkWidget, label::Union{GtkWidget, AbstractString})
@@ -296,9 +283,6 @@ function GtkOverlay(w::GtkWidget; kwargs...)
     o
 end
 
-setindex!(f::GtkOverlay, w::Union{Nothing,GtkWidget}) = G_.set_child(f,w)
-getindex(f::GtkOverlay) = G_.get_child(f)
-
 function add_overlay(f::GtkOverlay, x::GtkWidget, clip_overlay=false, measure_overlay=false)
     G_.add_overlay(f,x)
     clip_overlay && G_.set_clip_overlay(f,x,true)
@@ -326,7 +310,5 @@ end
 
 ## GtkPopover
 
-getindex(w::GtkPopover) = G_.get_child(w)
-setindex!(w::GtkPopover, c::GtkWidget) = G_.set_child(w,c)
 popup(m::GtkPopover) = G_.popup(m)
 
diff --git a/src/lists.jl b/src/lists.jl
index 0bfc9dbb..15ef63d0 100644
--- a/src/lists.jl
+++ b/src/lists.jl
@@ -1,8 +1,5 @@
 ## GtkComboBox
 
-setindex!(f::GtkComboBox, w::Union{Nothing,GtkWidget}) = G_.set_child(f,w)
-getindex(f::GtkComboBox) = G_.get_child(f)
-
 GtkComboBoxText(with_entry::Bool) =
     if with_entry
         G_.ComboBoxText_new_with_entry()
diff --git a/src/windows.jl b/src/windows.jl
index 2d0ac043..29c61fcf 100644
--- a/src/windows.jl
+++ b/src/windows.jl
@@ -148,8 +148,6 @@ present(win::GtkWindow) = G_.present(win)
 present(win::GtkWindow, timestamp) = G_.present_with_time(win, timestamp)
 
 push!(w::GtkWindow, widget::GtkWidget) = (G_.set_child(w, widget); w)
-setindex!(w::GtkWindow, widget::Union{Nothing,GtkWidget}) = G_.set_child(w, widget)
-getindex(w::GtkWindow) = G_.get_child(w)
 
 # totally ugly hack to salvage this Gtk.jl legacy function for its original purpose
 function GLib.waitforsignal(obj::GtkWindow,signal)
@@ -188,9 +186,6 @@ function GtkApplicationWindow(app::GtkApplication, title::AbstractString; kwargs
     win
 end
 
-setindex!(w::GtkScrolledWindow, widg::Union{Nothing,GtkWidget}) = G_.set_child(w,widg)
-getindex(w::GtkScrolledWindow) = G_.get_child(w)
-
 ## GtkHeaderBar
 
 push!(hb::GtkHeaderBar, w::GtkWidget) = (G_.pack_end(hb, w); hb)