Label waltz

A curious bug, present since 2.0, in the presence of several repetitions like D.C./D.S. al Coda/Fine ( e.g. Segno1, Segno2 and Coda1, Coda2 ) makes empty staves invisible and conversely resets all the labels to "Segno" and "Codab " with the consequence that the repetitions thus organised and functional are no longer carried out.
Posted on the French forum
28 February 2019 https://musescore.org/fr/node/285062
18 January 2021 https://musescore.org/fr/node/315730

1 Create a partition with 2 staves.
Valse des étiquettes.mscz
2 Enter notes on one of them and leave the other empty.
3 Place at least one instance of D.S. or D.C al Coda.
4 in the Segno to Segno1 index inspector
5 Y indexing Coda to Coda1
6 Set D.S. or D.C. al Coda to target the Segno and Coda tags.
7 Test the score: Replays are performed as expected.
8 Make the empty staff invisible
8 Test again: the restart no longer runs normally
Cause: Segno1 and Coda1 tags are reindexed to Segno and Codab.

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Translated with www.DeepL.com/Translator (free version)