Cover download: Allowing saving alternate covers to disk or in the book's data folder by right clicking on the cover
Content server: Allow disabling full text search via the web interface
When sending books to the device confirm the overwrite if the book already exists on the device
E-book viewer: Handle horizontal wheel events as section jumps in paged mode
Comic Input: When grayscaling comic images use 16bit gray instead of 8bit for better fidelity
Add a new option in Preferences->Searching to disable keyboard searching in book list (i.e. you can turn off the behavior that pressing a key will jump to the first book whose title starts with that letter)
Manage categories dialog: Use alternating row colors and allow adjusting row height
Allow assigning a keyboard shortcut in Preferences->Shortcuts to open the data folder of a book
Various improvements to syntax highlighting for the Markdown long text editor
Bug Fixes
Fix a regression in 6.16 that broke restoring of the database
Tag browser: Fix using F2 to edit items not allowing completion
Book details: Fix formatting of text when copying all book details in narrow mode
Book details: Fix copy all not respecting line breaks in fields
Fix a regression in previous release that broke scrolling when using the scroll_per_row tweak
Fix a regression in the previous release that broke the category manager dialog in some situations
Cover download: Allowing saving alternate covers to disk or in the book's data folder by right clicking on the cover
Content server: Allow disabling full text search via the web interface
When sending books to the device confirm the overwrite if the book already exists on the device
E-book viewer: Handle horizontal wheel events as section jumps in paged mode
Comic Input: When grayscaling comic images use 16bit gray instead of 8bit for better fidelity
Add a new option in Preferences->Searching to disable keyboard searching in book list (i.e. you can turn off the behavior that pressing a key will jump to the first book whose title starts with that letter)
Manage categories dialog: Use alternating row colors and allow adjusting row height
Allow assigning a keyboard shortcut in Preferences->Shortcuts to open the data folder of a book
Various improvements to syntax highlighting for the Markdown long text editor
Bug Fixes
Fix a regression in 6.16 that broke restoring of the database
Tag browser: Fix using F2 to edit items not allowing completion
Book details: Fix formatting of text when copying all book details in narrow mode
Book details: Fix copy all not respecting line breaks in fields
Fix a regression in previous release that broke scrolling when using the scroll_per_row tweak
Fix a regression in the previous release that broke the category manager dialog in some situations
6.18.1 fixes a regression that broke setting metadata and generating PDF files in the macOS and Linux binary builds
HTML Input: Restrict adding of resources like images to only files within the folder hierarchy starting at the parent folder of the root HTML file Can be controlled by customizing the HTML to Zip plugin in Preferences->Plugins or the --allow-local-files-outside-root option to the ebook-convert command
Bug Fixes
PDF Output: Fix regression in previous release causing non-English entries to be incorrectly encoded into the PDF bookmarks
PDF Output: Fix regression in previous release that caused blank pages when generating headers or footers
Book list: Fix editing-in-place not pre-selecting existing text for some column types
Amazon.de metadata download: Update for site changes
PDF Output: Set /Creator and /Producer in /Info
Fix row height incorrect in Manage category dialog when blank
6.19.1 fixes a bug in 6.19.0 that broke the edit metadata dialog