\improvisationOn on \TabStaff with \tabFullNotation renders detached note heads on 2.24.4 Linux

[Viktor Mastoridis]

When I type:

\version "2.24.4"
\new TabStaff
{
  \tabFullNotation
  \improvisationOn
  a4 4 4 4
\repeat unfold 8 {8}
\repeat unfold 16 {16}
}


I get detached note heads (see attachment).

Please help.

---
Viktor Mastoridis