: In the "Edit book" tool, a new keyboard shortcut ( Ctrl+Shift+Left/Right ) was added to quickly move items to the top or bottom of the file list. Critical Security Update
: Fixed a synchronization issue where annotations were not properly saved to the server from some Android devices using Firefox. calibre 6.7.0
: Resolved a bug in the E-book viewer where the Piper neural speech backend would incorrectly skip chapters when using the slower/faster speed buttons. : In the "Edit book" tool, a new
: Implemented a forced kill of the calibre.exe process on quit to workaround hangs during interpreter shutdown on certain Windows systems. : Implemented a forced kill of the calibre
Several regressions and minor bugs were addressed to improve overall reliability:
A notable security measure in this release (specifically identified in related vulnerability reports like CVE-2026-33205) was the decision to in the E-book viewer. This change was implemented as a proactive security hardening measure to prevent potential tracking or exploitation via remote assets. Bug Fixes and Stability
Calibre version 6.7.0, released in late 2022 as part of the v6 release cycle , introduced several significant functional enhancements and security-focused updates. This version continued the evolution of the software following its major transition to the Qt 6 toolkit and the introduction of Full-text search . New Features and Enhancements