Hello, Can be solved using Clef.transparent = ##t instead. I couldn't reproduce the problem when using a G clef. and also when notes are less far from key signature.
I was wondering about an eventual bug ?? Yours Éric \version "2.24.4" \score { << \new Staff << \key d \major \clef F \new Voice {\voiceOne \repeat unfold 4 d'4 \break \repeat unfold 12 d'4 } \new Voice {\voiceTwo \repeat unfold 16 e,4} >> \new TabStaff \with { \remove "Clef_engraver" } << \new TabVoice { c1 1 } >> >> } \score { << \new Staff << \key d \major \clef F \new Voice {\voiceOne \repeat unfold 4 d'4 \break \repeat unfold 12 d'4 } \new Voice {\voiceTwo \repeat unfold 16 e,4} >> \new TabStaff \with { \override Clef.transparent = ##t } << \new TabVoice { c1 1 } >> >> } \score { << \new Staff << \key es \major \clef C \new Voice {\voiceOne \repeat unfold 4 c''4 \break \repeat unfold 12 d''4} \new Voice {\voiceTwo \repeat unfold 16 b,4 } >> \new TabStaff \with { \remove "Clef_engraver" } << \new TabVoice { c1 1 } >> >> }