Deprecate 'silent_publish_meta_key' filter in favor of 'c2c_silent_publish_meta_key' (but keep it temporarily for backwards compatibility)
Don't store the fact that a post was silently published in post meta if the meta key value is blank or false
(effectively allows filter to disable custom field usage)
Remove private static $textdomain and its use; include textdomain name as string in translation calls
Remove function load_textdomain()
Add check to prevent execution of code if file is directly accessed
Re-license as GPLv2 or later (from X11)
Add 'License' and 'License URI' header tags to readme.txt and plugin file
Regenerate .pot
Minor improvements to inline and readme documentation
Minor code reformatting
Remove ending PHP close tag
Note compatibility through WP 3.5+
Tweak installation instructions in readme.txt
Update copyright date (2013)
Move screenshots into repo's assets directory
2.2.1
Add version() to return plugin's version
Update readme with example and documentation for new filter
Note compatibility through WP 3.3+
Update screenshots for WP 3.3
Use DIRECTORY_SEPARATOR instead of hardcoded '/'
Create 'lang' subdirectory and move .pot file into it
Regenerate .pot
Add 'Domain Path' directive to top of main plugin file
Add link to plugin directory page to readme.txt
Update copyright date (2012)
2.2
Fix bug where using Quick Edit on post caused Silent Publish status to be cleared
Add filter 'c2c_silent_publish_default' to allow configuring checkbox to be checked by default
Note compatibility through WP 3.2+
Minor code formatting changes (spacing)
Fix plugin homepage and author links in description in readme.txt
2.1
Switch from object instantiation to direct class invocation
Explicitly declare all functions public static and class variables private static
Remove setting unnecessary variable
Note compatibility through WP 3.1+
Update copyright date (2011)
2.0.1
Bugfix for auto-save losing value of silent publish status
2.0
Re-implemented entire approach
Allow overriding of custom field used via 'silent_publish_meta_key' filter
Add class of 'c2c-silent-publish' to admin UI div containing checkbox
Add filter 'silent_publish_meta_key' to allow overriding custom field key name
Remove function add_js(), admin_menu(), add_meta_box()