It shouldn't happen normally, but it's still early alpha. If you still got your save code feel free to drop it on our Discord channel in bug reports section.
Thank you for supporting the project! Please check recent posts on Patron - apart from updates, there are Patron Builds posts, with links in the comments section.
Yes, clothes are limited in 0.1.x. More content will be added throughout 0.2.x.
Regarding windows and sizings, recent versions added adjustable settings for passages and media, and 0.1.7 introduces adjustable settings for inventory - bigger by default or compact.