Entertainment News Roundup: Big sales of 'Super Mario Bros. Wonder' boost prospects for Nintendo's Switch; SiriusXM rolls out new streaming app and more

Following is a summary of current entertainment news briefs.

'The Crown' coaches share how actors portray the royals

With the final season of "The Crown" about to launch, focusing on Princess Diana's final days in the early episodes, the show's performance coaches have lifted the lid on how the cast perfect their portrayals. As part of the research for the Neflix royal drama, William Conacher said he and cast members watched footage of the British royals with no volume to capture their mannerisms.

Hollywood actors' union notes disagreements with studios' offer, including AI

The Hollywood actors' union on Monday responded to the latest offer from major studios and streaming services, saying the two sides had yet to reach an agreement on several items including the use of artificial intelligence. The SAG-AFTRA union said its negotiating committee was determined to secure the best deal and bring a responsible end to a strike that has lasted four months.

SiriusXM rolls out new streaming app

SiriusXM launched its new streaming app with a rebranded logo on Wednesday as the satellite radio company looks to add subscribers with the introduction of its lower priced offerings.

In the face of increasing competition from streaming service Spotify and a net loss of subscribers over the last quarter, Sirius has had to revamp its offerings to make them more attractive to existing and potential subscribers.

Big sales of 'Super Mario Bros. Wonder' boost prospects for Nintendo's Switch

Nintendo made a pitch for the ongoing match fitness of its aging Switch console on Wednesday, as the Kyoto-based gaming company continues to churn out hits even as the market debates the timing of a successor device. The Japanese firm said it sold 4.3 million copies of "Super Mario Bros. Wonder" - the first entirely new instalment in the almost 40-year-old side-scrolling series in a decade - within two weeks of its Oct. 20 launch.