Alpha v0.15.3

Theoretically, all model loading should now be fixed. However, if you are still running into models that previously worked but are now broken, let us know ASAP.

Bug Fixes

• Fixed another missing torch type when loading a model, which caused certain models to not load properly (#1272)

Experimental Features

• Fixed iterator child node positions when placing presets (#1264)
• Fixed presets not being recorded in undo history properly (#1270)