WinDynamicDesktop

• Add Big Sur and Big Sur Abstract themes
• Add Bulgarian and Japanese translations (thanks Marin and Syoyusensation)
• Improve error checking for theme JSON when new themes are installed
• Fix check for updates failing on Windows 7

• Fix FormatException on startup caused by date/time parse error

• Add support for web proxies set in HTTP_PROXY or HTTPS_PROXY environment variable
• Fix errors caused by date/time values being handled incorrectly
• Fix ArgumentOutOfRangeException when right clicking on theme thumbnail

• Removed options that are not related to dynamic desktop wallpaper (see why)
• Added PowerShell scripting capability (options that were removed are still supported as scripts)
• Added option to shuffle wallpaper daily
• Added option to pause changing wallpapers while fullscreen app is running
• Added option to provide specific sunrise and sunset times
• Added Bengali, Hindi, Indonesian, and Portuguese translations (thanks Jrsarath, Rafi, and Geovane Souza)
• Enabled option to use Windows location service in desktop version of app

• Added 17 new themes from 24 Hour Wallpaper
• Fixed wallpaper fade transition not working in Windows Store version
• Fixed crash when theme fails to download
• Fixed error when importing theme from local images
• Removed requirement for separate ".exe.config" file alongside EXE
• Updated Chinese, Czech, Macedonian, Polish, Romanian, Russian, and Spanish translations

• Updated Catalina theme to have 8 images instead of 2 (follow instructions here to obtain the new version)
• Created new theme site with more free themes added
• Added Italian, Macedonian, Romanian, and Turkish translations (thanks @giorgioshine, @snajdovski, @Megamarian12350, @EnverBozkaya)
• Added feature to change display brightness throughout the day (only available if your monitor supports it, thanks @ddasutein)
• Added option to tell Windows not to compress JPEG wallpapers (thanks @Senexis)
• Separated "Change Windows 10 theme color" into 2 settings for controlling app and system theme (thanks @Senexis)
• Added system tray menu item to "Edit Configuration File" (thanks @PetreBoboc)

• Added Catalina dynamic wallpaper
• Allow user to pick themes to download instead of downloading them first time app is run
• Added Czech, Spanish, and Polish translations (thanks @ondrej-mahdalik, @xoascf, @Sebosz)

Fix bug where calculating sunrise/sunset times crashed in some European countries

• Added Chinese, French, German, Greek, and Russian translations (thanks to users who submitted them)
• New paid themes available for the app from 24 Hour Wallpaper
• Fixed bug where wallpapers were based on time of nautical instead of civil dawn/dusk
• Fixed error on opening theme dialog if Windows isn't installed on C drive (thanks @FloatingShuYin)
• Added download speed info to theme import dialog (thanks @ddasutein)
• Improved error handling during theme loading and import process

• Register .ddw (Dynamic Desktop Wallpaper) file extension to make importing themes easier
• Allow multiple theme files to be imported at once
• Fix blurry text on high DPI screens (thanks to @ddasutein for helping with this)
• Fix occasional error when app settings were saved
• Multilingual support coming soon (if you want to translate the app into your language, see here)

• Added support for free themes from 24HourWallpaper.com. If you are using one of their wallpapers we listed previously, consider downloading the new versions for improved image quality.
• Improved accuracy of wallpaper timing with 4 segment format (sunrise, day, sunset, night). See here for how to create your own theme. If you have created a custom theme before, you will need to update the JSON file to work with the new format.

Lots of minor improvements:

• Change system theme as well as app theme on Windows 10 Insider build
• Fix link to get more themes online
• Themes can now be imported from ZIP files
• Show image credits in theme dialog
• Update wallpaper when system time changes
• Add experimental feature to change lockscreen image (see here for more details)

Changes:

• Add ability to import and remove custom themes
• Start a community created theme index (more submissions welcome)
• Fix error for some locales if Windows location API was enabled

Changes:

• Check if .NET Framework 4.5 or newer is present in the installer
• Add host for theme files that should be accessible in China
• Improvements to wallpaper changing in UWP app and error logging

Changes:

• Added option to use Windows location in Store app which automatically updates when your location changes
• Theme dialog now shows split images for preview thumbnails like macOS
• Main menu layout improved

Changes:

• Fixed bug where theme dialog would not reopen until app was restarted
• Fixed bug where app could crash when wallpaper changed

This release fixes several bugs, the first of which was very serious:

• Fixed wallpaper not changing/Select Theme dialog not reloading for new users
• Fixed crash when a custom theme file was used
• Disabled resizing dialogs which made them look bad

Changes:

• Added theme manager with option to select new Solar Gradients theme
• Added option to automatically change Windows 10 app theme (light during the day and dark at night)
• Fixed several time and language related bugs

Note: This release has a serious bug for new users that keeps the wallpaper from changing. Therefore downloading this version is not recommended.

Changes:

• Fixed bug where automatic update check caused program to crash if not connected to Internet
• Fixed bug where in rare occasions wallpaper might not update

Changes:

• Available on the Microsoft Store now
• Added About dialog
• Added manual and automatic update checking to desktop version
• Fixed occasional crash when wallpaper image changed