The release notes for 2.35 contain this section:
Initial Support for TextMate Grammars
The highly configurable DetachableNodeModelFragment can be configured in the mwe2 workflow to emit textmate grammar to drive the lexical coloring in LSP clients that do have support for tm-language definitions.
But DetachableNodeModelFragment should be TextMateHighlightingFragment -- the former name seems to be copied from the previous section.
The release notes for 2.35 contain this section:
But
DetachableNodeModelFragmentshould beTextMateHighlightingFragment-- the former name seems to be copied from the previous section.