v2.3.1, 2023-09-29 -- UI: Fixed keyword highlighting issue.
                      other: Fixed crash when rendering reST to HTML.
                      Other: Fixed crash when using Python <3.10.
                      Other: Fixed crash when using the vertical layout.
v2.3.0, 2023-09-25 -- UI: Added underline_urls option.
                      UI: Fixed title rendering issue on the notes list.
                      UI: Added support for unicode characters in hyperlinks.
                      UI: Added feature of highlighting note titles.
                      Other: Added basic support for XDG dirs.
                      Other: Added use_profiler option.
                      Other: Clean up codes to improve reliability and maintainability.
v2.2.0, 2022-07-04 -- Option: Added replace_filename_spaces and escape_to_exit options.
                      UI: Remember window position and size.
                      UI: Added alphanumeric sort mode.
                      UI: Added the sort mode selector widget.
                      UI: Added the streamline interface.
                      UI: Added shortcut key for copy note title.
                      Other: Fixed issue that the --cfg argument does not work.
                      Other: Improve stability when saving/syncing notes on the background.
v2.1.0, 2020-03-08 -- Added keyboard shortcuts, list_hide_time and list_hide_tags options.
                      Improve the TagList dialog. Fixed crash when md_extensions contains multiple spaces.
v2.0.2, 2019-12-01 -- Added support for more URL schemes. Fixed crash when opening the help dialog. Fixed highlight.
v2.0.1, 2019-10-03 -- Fixed crash bug when offline.
v2.0.0, 2019-09-15 -- Ported to Python3. Dropped Python2 support. Removed background_full_sync option.
                      (Windows) Improved startup performance of nvpy.exe.
v1.2.2, 2019-09-05 -- Fixed database corruption bug. Fixed UI bugs. Fixed full-sync issue. Added TclError handling.
v1.2.1, 2019-04-29 -- Fixed freeze bug
v1.2.0, 2019-04-25 -- Provide stand alone executable file (nvpy.exe) for Windows.
v1.1.0, 2019-03-31 -- Improved reliability of save and sync, Added black theme, confirm exit, migrate to the simperium api, fixed some bug
v1.0.0, 2016-12-01 -- highlight headings, retina support, confirm delete, fixes.
v0.9.7, 2015-12-24 -- ttk theme support, logging bug fix.
v0.9.6, 2015-12-21 -- more bug fixes.
v0.9.5, 2015-12-21 -- bugs fixed, tag buttons, automated tests.
v0.9.4, 2012-10-24 -- vertical layout option; statusbar improvement.
v0.9.3, 2012-10-18 -- gstyle search mode.
v0.9.2, 2012-09-30 -- Experimental text note support. Fixes and improvements.
v0.9.1, 2012-08-22 -- Two bugs fixed (unicode and syncing). Word Count tool.
v0.9.0, 2012-08-15 -- Simplenote tag support. UI improvements.
v0.8.5, 2012-07-03 -- Better config file handling. Bug fixes.
v0.8, 2012-06-02 -- Save/sync check at exit. Listbox + statusbar improvements.
v0.7.1, 2012-05-29 -- Removed pdb.set_trace() in notes_db.
v0.7, 2012-05-29 -- lb selection != selected note bug fix.
v0.6, 2012-05-29 -- Search string highlighting in text. Bug fixes.
v0.5, 2012-05-28 -- Small fixes to the docs.
v0.4, 2012-05-28 -- Sync bug fix. Undo / redo in note editor.
v0.3, 2012-05-28 -- Added reST->HTML rendering. README.md->.rst.
v0.2, 2012-05-27 -- Documentation fixes, had to make new release.
v0.1, 2012-05-27 -- Initial release.

