The document outlines the changelog for various versions of the Currency Switcher plugin from v1.0.0 to v2.2.1, detailing bug fixes, new features, and compatibility updates with WooCommerce and WordPress. Key improvements include new currency options, enhanced security measures, and additional shortcodes for user flexibility. Each version update includes specific dates and links to further information on the changes made.

1. v.2.2.0 (06-09-2017)
- https://currency-switcher.com/update-v-2-2-0-v-1-2-0/
v.2.2.1 (17-11-2017)
- https://currency-switcher.com/update-v-2-2-1v-1-2-1/
v.2.1.9 (04-04-2017)
- Heap of small bugs fixed
- A lot of code was remade to make WooCommerce 3.0.0 and WOOCS compatible
v.2.1.8 (09-12-2016)
- http://currency-switcher.com/update-v-2-1-8-and-v-1-1-8/
v.2.1.7 (27-07-2016)
- Heap of small bugs fixed
- https://wordpress.org/support/topic/multi-currency-on-invoices?replies=8
- resolved
- new option in the currencies settings: Decimals
- new hook: woocs_drop_down_view
- advanced API doc: http://currency-switcher.com/codex/
v.2.1.6 (20-05-2016)
- Heap of small bugs fixed
- new hook woocs_price_html_tail
- Approx. value on cart and chekout page in the currency of customer (in
multiple mode only+geoip enabled)
- new hook woocs_get_approximate_amount_text
v.2.1.5.4 (18-02-2016)
- Geo Location troubles fixed
v.2.1.5.3 (16-02-2016)
- Closed XSS vulnerability. Thanks to Ben Khlifa Fahmi ; Founder & CEO of
BenkhlifaExploit Founder & Pentester at Tunisian Whitehats Security
v.2.1.5 (12-01-2016)
- Some little fixes
- New button in order to convert oder data to basic currency amounts
- New shortcode: [woocs_show_current_currency text="" currency="" flag=1
code=1]
- New shortcode: [woocs_show_custom_price value=20] -> price in selected
currency for txt-adv-banners
- New option: Prices without cents
- New option: Hide switcher on checkout page
- New option: I am using cache plugin for my site
- New filter: add_filter('woof_custom_format', 'my_woof_custom_format', 999,
2); - Any manipulation with price format
- Hint: wp-admin/admin.php?page=wc-settings&tab=woocs&woocs_reset=1 - reset
currency options - be care
- Improved: cron periods added - weekly, monthly
- apply_filters('woocs_price_format', $format, $currency_pos)
v.2.1.4 (09-09-2015)
- WordPress 4.3 small adaptation - using __construct in the widget, previous
widget-API was deprecated
- added price popup on the front near each price optionally
- added in body implemented currency css class. Example: currency-eur
- added currency agregator for Russian Centrobank - asked by customers from
Russia
v.2.1.3 (15-08-2015)
- compatibility for woocommerce 2.4
- added storage optionally, transient for sites which can work with session
normally because of server options

2. - added new drop-down wselect ->
https://github.com/websanova/wSelect#wselectjs
- in shortcode [woocs] and currency switcher widget added new option
txt_type which allows show currency description in drop-down instead of its code
v.2.1.2 (23-07-2015)
- some small bugs fixed
- dark chosen implemented
v.2.1.1 (21-07-2015)
- some small bugs fixed
- done a lot to make compatibility higher
v.2.1.0 (16-07-2015)
- 1 bad logic bug fixed, which not recount prices in multiple mode
- AJAX refresh of mini cart fixed, now its ok
v.2.0.9 (29-05-2015)
- a lot of small bugs fixed and a lot of code were rewritten
- compatibility with 90% of currency gates implemented
- added widget and shortcode - currency rates [woocs_rates exclude="GBP,AUD"
precision=2]
- added widget and shortcode - currency convertor [woocs_converter
exclude="GBP,AUD" precision=2]
- 1 eur is: [woocs_get_sign_rate sign=UAH] - simple shortcode to show
currency rate relationaly of basic
- $val = apply_filters('woocs_exchange_value', $val); -> filter for
developers for conversion from basic to current currency
v.2.0.8 (22-03-2015)
- YAHOO agregator functionality fixed
- Index of the premium version changed to 2
- Custom price format options added in the plugin settings: __PRICE__
(__CODE__)
v.1.0.7 (07-03-2015)
- some of little bugs from customers fixed + paypal amount gross error
- New feature: for each currency option - removing cents on front
v.1.0.6 (18-02-2015)
- heap of bugs from customers fixed
- Currency can be changed automatically according to visitor s IP using woo�
WC_Geolocation class
- New mode: Show only the flags of the countries instead of a dropdown
v.1.0.5 (13-12-2014)
- heap of bugs from customers fixed
- adaptation for woocommerce 2.3.x
v.1.0.4 (20-09-2014)
- bugs fixed
- synchronization with native woo price slider
- removing cents from JPY
- added new options in settings: Show/Hide flags by default, Show/Hide money
signs
- added shortcode [woocs_get_sign_rate sign=EUR] relative of basic currency
v.1.0.3.1 (10-09-2014)
- heap of bugs with tax fixed
- Ability to understand links with currency: http://demo.currency-
switcher.com/product-category/clothing/hoodies/?currency=GBP
v.1.0.3 (21-08-2014)
- heap of bugs fixed

3. - WooCommerce shopping card widget fix
- Custom money signs option
- Currencies rate auto update option by cron
- Ability to set order currency which were created through admin panel by
hands
v.1.0.2 (12-08-2014)
- heap of bugs fixed
- welcome currency option
- The customer allowed to pay in the selected currency
v.1.0.1 (04-07-2014)
- 1 serious bug fixed: plugin affect PayPal
- couple of small bugs
v.1.0.0 (28-06-2014)
- release