Какой ключ к архиву?

New features
ZIP Output: Change the template engine used for HTML templating from templite to Mustache, for greater safety and performance. Note that this is a breaking change if you use custom templates with ZIP output (CVE-2026-25731)
Check library: Add an option to rebuild the annotations search index
Closes tickets: 2139555

Bug fixes
CHM Input: Ignore internal files that have paths that end up outside the container. Prevents path traversal attacks with malicious CHM files (CVE-2026-25635)
EPUB Input: Ensure font obfuscation processing happens only on files from the EPUB, preventing path traversal attacks from malicious EPUB files (CVE-2026-25636)
Windows: Workaround for bug in Qt 6.10 causing Read Aloud in the E-book viewer to crash when stopped and restarted
Closes tickets: 2139521

Fix drag and drop of books into bookshelf view not working
Closes tickets: 2139529

Bookshelf: Fix bookshelf view blank on some macOS systems
Closes tickets: 2139403

E-book viewer: Fix a regression in calibre 9.0 that broke the Go to page function
Closes tickets: 2139576

E-book viewer: Fix google dictionary lookup results not legible
Closes tickets: 2140541

E-book viewer: Fix PageUp/PageDown keys needing to be pressed repeatedly at internal HTML file boundaries in flow mode
Bookshelf: Avoid rendering during initial show while the view is still being resized
Fix a regression in calibre 9.0 that caused mouse wheel to scroll a full row at a time in the Cover grid
News download: Fix a regression in 8.11 that broke automatic cleanup of downloaded HTML

Вышла 7.2.6а, а также репак 7.2.6 от Diakov. Кто может - обновите.