Summarized Changelog

• Updated all dependencies and raised the minimum Rust version to 1.42.
• Added more detail to error message when a preprocessor fails.
• Set max-width of HTML video tags to 100% to match img tags.
• Fixed type errors when parsing book.toml are no longer ignored.
• Better handling if mdbook serve fails to start the http server.
• Fixed the path for edit-url-template if the book used a source directory other than src.

Full Changelog here.

• Create a test site
• See that it properly generates and can be viewed locally