I know there was a lot of improvements regarding plot legends but I am not sure whether the following change is intended: Until recently
plot (0:1:10, '-;some plot;'); plot (1:1:11, '-');
resulted in a legend with one entry ‘some plot’. Now, the same code leads to a legend showing two entries, namely ‘some plot’ and ‘data 1’. This makes it difficult to have a figure where further plots are added later, e.g., depending on user interaction.