DiscordChatExporter

Fixed an issue where some of the last messages in a channel would sometimes not get exported.

Added categories to channel list in GUI. Channels are now also grouped by category.
Added ability to export multiple channels at once in GUI by selecting them with shift or ctrl keys.
Added CLI command to export all available channels in a guild (exportguild).
Added CLI command to export all direct message channels (exportdm).
Added retry policy for 503 status code errors to prevent random crashes.
Changed how channels are exported in GUI. Now you need to select them first and then click a button to export. You can also double click a single channel to export it as before.
Improved default file name generation by adding date ranges and channel ID to the file name.
Improved naming of files exported with partitioning.
Improved usage instructions.
Improved GUI layout and styling.
Fixed an issue where dialogs would sometimes appear over other windows.
Fixed an issue where launching DiscordChatExporter from Windows Start Menu would make it crash.

Added support for partitioning which lets you split the output into multiple files by setting the partition message limit (-p parameter for CLI).
Exported file will no longer open automatically on completion.
Reduced amount of memory used during exporting.
Disabled message grouping in PlainText export.
Improved encoding of newlines in CSV export.
Improved error messages in the GUI app during crashes.

Updated instructions on how to obtain the user token.
Expanded CLI with new commands: channels (get a list of channels in a guild), dm (get a list of DM channels), guilds (get a list of guilds), on top of export (export chatlog).
Improved help text and error messages in CLI.
In CLI, the file name will be automatically generated if the provided output file path is a directory.

Added support for bot tokens as an alternative to user tokens. For GUI, use the button in the top-left to switch between user and bot token. For CLI, pass the --bot switch to indicate that the given token is a bot token.
Added support for animated avatars.

Fixed a bug that would prevent timestamps from rendering properly in CSV and PlainText exports.
Fixed incorrect layout in CSV export.
Improved readability of PlainText export.

Added support for embeds and webhooks (HTML only).
Implemented progress reporting when downloading messages.
Added support for reactions (HTML only).
Selected date range is now shown in the export (HTML and PlainText).
Added placeholders for guild icons to display while the icons are loading.
Added support for jumbo emojis (custom emojis only).
Added basic retry policy for 429 error responses.
Added validation for from/to dates in the UI which prevents choosing invalid date ranges.
Added an error message when trying to export a deleted channel.

Added channel topic to output.
Added a command line interface alternative to the current graphical user interface.
Implemented application auto-update (can be disabled in settings).
Improved some GUI elements and replaced some dialogs with notifications.
Fixed a lot of issues with the markdown processor.
Fixed DM group chats that have a custom name being shown as blank in the list.