App: quickWallpaper
Developer: Jiulong Zhao
Genres: Dienst­programme, Lifestyle

Choose and set your wallpaper from your collection of thousands of favorites in less than a second! All you need is a simple scroll on your touchpad.

features: 
- your choice: transparent or traditional interface. Switch between them instantaneously. 
- tremendously fast scrolling preview that allows quick browsing through hundreds of your pictures. 
- supports both the system default wallpaper folder as well as picture folders of your choice. 
- a simple process for adding picture folders - browsable instantly. 
- one simple click switches between up to 12 desktops. 
- set a different wallpaper for each desktop. 
- exists and display in front of other apps in every desktop space. 
- support all picture format and even PDF as wallpaper 
- support drag and move pictures from picture preview (hold down option key for drag and copy) 

version history: 
v1.50 -> v2.00 
a very important upgrade! 
- hide dock icon option added according to user's feature request 
- add an option of 'Close Interface Automatically' 
- add a menu of 'Close Interface' 
- new tips added related to 'Close Interface Automatically' 
- more detailed feature request email templet 
- updated more by dragonBTV panel 

v2.00 -> v2.02 
- add option "open menu by mouse over" to make "mouse over" function switchable 
- add option "Change Menu Icon Color Instantly" 

v2.02 -> v2.05 
- two status menu icons changed 
- more by dragonBTV panel updated 

v2.05 -> v2.08
add features according to the user's request
- add menu item: Refresh Pictures 
- menu item name changed: Locate Desktop Pictures Directory

v2.08 -> v2.51
- Any Mac (Apple Silicon, Intel) version for macOS Big Sur
- the whole app is fully rewritten
- global scrolling support now
- end of files elasticity effects added
- transparent mode not set as default
- Smooth Scrolling option added
- app icon updated
- new startup tip added
- 'auto-open at login' tip added
- app version display added
- support menu updated
- all deprecated functions rewritten

v2.51 -> v2.53
- option added: display in all spaces
- make the interface topmost
- bug fixed: save the status of dock icon upon closing

Release notes:
v2.51 -> v2.53
- option added: display in all spaces
- make the interface topmost
- bug fixed: save the status of dock icon upon closing