YT
YouTubeSettings: add 'DefaultVideoHighlightFPS_H' and 'DefaultVideoHighlightFPS_L' properties
VideoOption: highlight frame rates higher/lower than this value
SCrawler
SiteSettingsBase: add 'UserAgentDefault' property
API.Facebook, API.Instagram, API.Mastodon, API.OnlyFans, API.ThreadsNet, API.Twitter: add categories
API.Instagram.SiteSettings: add 'DownDetector' validation; remove wrong header
API.Instagram.UserData: fix incorrect definition of pinned posts; add 'DefaultParser_Pinned' and 'DefaultParser_SkipPost' func (for Threads)
API.Threads: fix pinned posts processing
API.Reddit: add 429 bypass; change the naming method of video files (hosted on Reddit) to the 'YYYYMMDD_HHMMSS' pattern; add 'UserAgent' property
API.RedGifs: hide credential controls
API.Twitter: add 'Likes' downloading; change domain from twitter.com to x.com;
API.OnlyFans: set '_AllowUserAgentUpdate' to false
SiteEditorForm: group options by category
GroupListForm: enable 'OK' if it is filter
DownloadGroup: add 'FilterShowAllUsers' property
PropertyValueHost: add 'Category' property
MainFrame: the 'ALL' filter isn't unchecked when loading a filter from a saved one
Update user paths when global paths change
Scheduler: add the ability to clone the scheduler
PluginProvider
PropertyOption attribute: set category name when `IsAuth = True`
ISiteSettings: add 'UserAgentDefault' property
