2.1.3

• Updated: Twig template framework from 1.21.0 to 1.24.1

2.1.2

• Added: Ability to override API key using the wunderground_api_key filter or the WUNDERGROUND_API_KEY constant
• Fixed: Location autocomplete issue on HTTPS websites
• Fixed: Don't cache responses if they result in errors (good idea, eh?)
• Added: wunderground_include_pws filter to toggle whether to include Personal Weather Stations as data sources (Default: false, unless the location requested is specifically a PWS station)

2.1.1

• Fixed: WordPress 4.3 compatibility
• Added: Display any errors while fetching forecasts to administrators
• Updated: Polish translation (thanks Cezary!) and Brazilian Portuguese (thanks Filipe!)
• Removed unused <thead> code in table-horizontal.html template
• Updated: Twig template loader to version 1.21 from 1.18.1

2.1 on April 29, 2015

• Added: Now supports Weather Underground Severe Weather alerts & warnings
• Fixed: Issue using multi-word cities (thanks @christianriley!)
• Fixed: Restored alt text for icon when using the Current template
• Fixed: Widget preview for "Old School" icon set
• Fixed: Fatal error if plugin or theme already used Twig template loader
• Fixed: Replace Icon Set FAQ code
• Updated: Translations - thanks to all the translators!
  • Slovenian: Aleš Hočevar
  • Bosnian: Marko Saraba

2.0.10

Added missing font files

2.0.9

• Added: Caching of forecast output HTML. This makes the plugin use fewer server resources when displaying the forecast.
• Fixed: Widget forecasts use the correct date formatting (set by wunderground_get_date_format())
• Modified: Locally storing font, which fixes issues with older IE versions causing site load time issues
• Added: Hebrew translation - thanks, @nirbentzy!

2.0.8

• Fixed: PHP warning reported here
• Fixed: Date wasn't respecting current timezone
• Added: Support for [forecast] and [wunderground] shortcodes in Text widgets by adding a do_shortcode filter on widgets. This had been enabled in Version 1.x.
• Added: wp_wunderground_forecast filter to be backward-compatible with Version 1.x

2.0.7

2.0.7 on October 3

• Fixed: hidedata shortcode parameter wasn't working properly
• Modified: Removed support for %%day%% %%month%% and %%year%% placeholder tags

2.0.6

2.0.6 on October 3

• Added: Support for using using settings from Version 1.x as the defaults. This fixes the loss of your configuration if you use the [forecast] shortcode with no parameters.
• Added: Lithuanian translation

2.0.5 on October 2

• Added: datelabel parameter for backward compatibility
• Added: wunderground_get_date_format() function to process date format
• Added: German and Romanian translations
• Fixed: Escaped translation strings
• Tweak: Improved readme

2.0.4

• Fixed: Widget location data saving is fixed
• Fixed: Number of days display properly for the Simple forecast
• Added: Support for RTL languages
• Added: Show the Horizontal Table layout in widget options
• Tweak: Move widget settings around
• Added: Night forecast support for picker
• Added: Locally host icons
• Fixed: Fixed: Hide chance of precipitation when not set
• Fixed: Show current forecast in horizontal table mode
• Fixed: Show temperature in lieu of high/low for current conditions
• Modified: Converted template files to include snippets for forecast elements
• Tweak: Update language files
• Tweak: Added descriptions to widget checkboxes
• Tweak: Add search box as an optional widget checkbox
• Tweak: Widget now uses wunderground_parse_atts()

2.0.3

• Fixed: Cached results weren't being used!
• Fixed: Autocomplete not working in admin Widgets page
• Fixed: Handle queries with quotes in them
• Modified: Switched to showing global results by default. You can still limit results by using the wunderground_autocomplete_country_code filter and returning a country code.