* Adjusts overlay background opacity dynamically based on drag position
* Ensures smooth transition as the modal is pulled down
* Enhances UX for mobile users by making dismissal more intuitive
* Make dialogs responsive for mobile devices
* Support mouse backward/forward buttons
* Use back icon to close layer 2 components on mobile devices
Currently layer 2 components are: 1. sidebar 2. notebook 3. dialogs
They are all fullscreen on mobile devices.
* Add translations
* Larger area to toggle header/footer bar
* Don't show rounded window on web platform
* Disable tooltips on mobile platforms as there is no mouse pointer
* Dedupe voices from web speech API
* Fix excerpts cannot be deleted in Chrome browsers
* Show book details in reader sidebar
* Set minimum search term length to 1 for CJK languages
* Use more system fonts as custom fonts, closes#31
* Add H and L keyboard shortcuts for back and forward navigation, consistent with Vimium
* Fallback bookmark text to page number if current page has no text, closes#51
* Add delete and edit buttons for highlights and booknotes in the sidebar, closes#57
* Each book now has its own sidebar default tab
Huang Xin