pypi / marko

marko

What changed in marko 1 to 2, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-24.

7 breaking1 new APIs and options2 behavior and defaults3 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

marko 211 changes

Input U+0000 characters are replaced with U+FFFD, as required by CommonMark §2.3.
2.2.3release notes
The GFM alert regex now disallows content on the header line.
2.2.2release notes
For block elements, children should now be a list of child elements.
2.0.0release notes
HTMLBlock's HTML content moves from children to the body attribute.
2.0.0release notes
Parsing no longer saves to global variables, allowing multiple parsers to run in parallel.
2.0.0release notes

A helper class is added for creating extensions instead of using arbitrary objects to hold partial properties.
2.0.0release notes

GFM table indentation is preserved in lists.
2.2.3release notes
Prevents an infinite loop caused by unnormalized line breaks.
2.2.3release notes
Some built-in extensions that modify class attributes are fixed.
2.0.0release notes