Update documentation

- Update README
- Update CHNAGELOG
- Update `--config-file` argument help message

CHANGELOG.md

@@ -5,6 +5,55 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [9.2.0-alpha] - 2024-05-14
+
+### Added
+
+- Full macOS and Linux support
+- Ability to apply tags to multiple selections at once
+- Right-click context menu for opening files or their locations
+- Support for all filetypes inside of the library
+- Configurable filetype blacklist
+- Option to automatically open last used library on startup
+- Tool to convert folder structure to tag tree
+- SIGTERM handling in console window
+- Keyboard shortcuts for basic functions
+- Basic support for plaintext thumbnails
+- Default icon for files with no thumbnail support
+- Menu action to close library
+- All tags now show in the "Add Tag" panel by default
+- Modal view to view and manage all library tags
+- Build scripts for Windows and macOS
+- Help menu option to visit the GitHub repository
+- Toggleable "Recent Libraries" list in the entry side panel
+
+### Fixed
+
+- Fixed errors when performing actions with no library open
+- Fixed bug where built-in tags were duplicated upon saving
+- QThreads are now properly terminated on application exit
+- Images with rotational EXIF data are now properly displayed
+- Fixed "truncated" images causing errors
+- Fixed images with large resolutions causing errors
+
+### Changed
+
+- Updated minimum Python version to 3.12
+- Various UI improvements
+  - Improved legibility of the Light Theme (still a WIP)
+  - Updated Dark Theme
+  - Added hand cursor to several clickable elements
+- Fixed network paths not being able to load
+- Various code cleanup and refactoring
+- New application icons
+
+### Known Issues
+- Using and editing multiple entry fields of the same type may result in incorrect field(s) being updated
+- Adding Favorite or Archived tags via the thumbnail badges may apply the tag(s) to incorrect fields
+- Searching for tag names with spaces does not currently function as intended
+	- A temporary workaround it to omit spaces in tag names when  searching
+- Sorting fields using the "Sort Fields" macro may result in edit icons being shown for incorrect fields
+
 ## [9.1.0-alpha] - 2024-04-22
 
 ### Added