У меня версия 5,2 есть смысл обновляться? Или подождать 6ку?

• Minor fixes in Win-Bin-2 ISO application.
• Important testing and verification at Windows 11 24H2

System tray icon hint displays remaining time
Improved translations

Improved: performance of file list displaying on online connections.
Improved: deletion of files on online connections.
Fixed: mounting of Box.com connections.
Fixed: issue with folder names during decryption process.
Fixed: connection to some SFTP servers.
Fixed: file displaying for Dropbox Business connections.

New features
Much improved Kobo support
calibre can now natively edit, view and convert KEPUB format files used by the Kobo. It also automatically converts EPUB to KEPUB when sending books to Kobo devices (can be configured by right clicking the kobo icon in calibre).

Connect to folder: Allow connecting a specific device
calibre can now connect to a folder and treat it as though it is a USBMS based device. This is useful particularly on Chromebooks where USB devices appear as folders rather than actual devices.

When completing names for fields that contain hierarchical data in prefix mode match prefixes after every period
Closes tickets: 2099780

ToC editor: Allow moving of multiple selected items in the Table of Contents
macOS: The calibre application icons in the dock are now displayed in a white frame to follow Apple's current recommended icon style
Kobo driver: Add support for new firmware on Tolino devices
Book details: Add option in to suppress author search links
Bug fixes
Fix a regression that broke tabbing to edit cells in the book list when some columns have been hidden or re-ordered
Catalog generation: Allow using templates that access the database for notes
Fix a bug when renaming authors to a name with commas in it
Full text search: Also index text in ZIP and RAR archives as these can be viewed by the calibre viewer
Closes tickets: 2100891

E-book viewer: Fix Table of Contents current entry tracking not working for some books
Closes tickets: 2099678

When reading metadata from HTML also recognize name="subject" meta tags as calibre tags
E-book viewer: Fix viewer not closing on the interrupt signal
Closes tickets: 2099777

Edit book: Download external resources: Fix incorrect filename if the server returns a generic Content-Type header
Closes tickets: 2099754

Metadata download: Publisher/series transform rules: Fix values with commas in them not working
Closes tickets: 2098620

Improved news sources
Linux Weekly News
Spectator
Economist
Granta
Hindu
1843
Barrons
Frontline
Zaobao
Strange Horizons