Not available in 4.0.1.230121751 version.
Reported version
4.0
Type
Performance
Frequency
Once
Severity
S5 - Suggestion
Reproducibility
Always
Status
duplicate
Regression
Yes
Workaround
Yes
Project
It is not possible to play hidden instruments (Version 3.6 allowed it)
It is important to be able to do so for educational purposes.
Please please fix it!
Comments
Reported numerous times before
Workaround is to hide staves rather than instruments
See also https://github.com/musescore/MuseScore/discussions/15945 and #334906: Does not play hidden staffs (intentionally hidden via instruments) when playing the whole score