4.2.1

• Statistics moved to the drawer
• tuned down color of player controller
• Subscriptions menu adjustment
• Subscriptions filter is disabled for now
• more null safety tuning
• fixed the refresh bug related to permissions
• long-press operation has changed
  • long-press on title area would be the same as a click
  • click on an icon allows operation on the single item
  • long-press on an icon would allow for multi-select