Merge remote-tracking branch 'origin/master' into fix-mask-disposal
# Conflicts:
# osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/PathControlPointVisualiser.cs
# osu.Game.Rulesets.Osu/Edit/Blueprints/Sliders/Components/SliderCirclePiece.cs
# osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSlider.cs
# osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSliderHead.cs
# osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSliderTail.cs
# osu.Game.Rulesets.Osu/Objects/Slider.cs