• Add PEP 561-style type information
• Support for Python 2.7, 3.5 and 3.6 is removed
• Support for Python 3.9-3.11 is added
• Very large documents (with deep nesting or long tag content) can now be parsed, and Selector now takes a new argument huge_tree to disable this
• Support for new features of cssselect 1.2.0 is added
• The Selector.remove() and SelectorList.remove() methods are deprecated and replaced with the new Selector.drop() and SelectorList.drop() methods which don’t delete text after the dropped elements when used in the HTML mode.