Partial LatexBox support; Export to PDF; Settings: option to increase SQL cursor window for API28+ (Android 9) devices (allows to display images and open attached files larger than 2mb); Icon update; Placeholders for images/latex boxes that fail to load; Fixed: App crashing when saving a file with not recognizable MIME type; Fixed: Bookmarked nodes not sorted in the same order as in CherryTree when using XML based database; Fixed: crash when opening database that does no longer exits; Disabled opening encrypted databases for <=API 25 (Android 7 and lower) - some required libraries do not support it and causes crash the app; Some other small UI and under the hood changes;