В Центбраузере, с моим провайдером, надо просто подождать больше минуты после включения видео.
В панели скачивания IDM появляется выбор качества загрузки.
(посмотреть картинку: нажать на Скачать-Смотреть и ОК)

* NConvert: -xyb for JPEGli

Наверно 2.5.6
Может кто сделает портабельную версию?

Наверно 2.5.6

25.6

New features
The scrollbars used in calibre in light mode are now the same style as the ones in dark mode, this improves the contrast making the scrollbar more accessible
Kobo driver: add an option to change the how the Kobo displays series numbers using a template.
Manage data files dialog: Add a button to cancel remaining books when managing multiple books
Closes tickets: 2112424

Kobo driver: add support for new Tolino firmware
Bug fixes
Prevent Windows 11 from starting a conhost.exe process for every calibre worker process
Closes tickets: 2111559

E-book viewer: Improve highlight grouping with recurring chapter names
When sending emails to amazon and pocketbook use random English text instead of UUIDs for subject/body.
Closes tickets: 2110400

Improved news sources
NYTimes
WSJ
Financial Times
Eenadu
Fokus.se
Business standard
Go comics
NZ Herald
TLS Magazine

Added: Option to select custom icons for devices.
Added: Support for XML and JSON reporting formats.
Added: Device type detection with localised categories.
Fixed: Main window occasionally opening off-screen.
Fixed: Issue with removing the app from Login Items on macOS.
Changed: Versioning scheme updated to use the YY.MM format.