# Versioning and change log This log details any breaking and non-breaking API changes we have released for our Checkout Web SDK. Prerequisite Make yourself familiar with our [API principles](/products/reference/api-principles) to ensure a resilient integration. ## Versioning log #### Version 2 (22 January 2024) PCI and Payments API support #### Support for enhanced card sessions - The SDK now returns a card session URL in the form of `https://access.worldpay.com/sessions/...`. Previously, the card session URL looked like this: `https://access.worldpay.com/verifiedTokens/sessions/...` The format of the new card session URL supports our new upcoming Payments API, whilst also remaining compatible with our Verified Tokens API. ## Change log (non-breaking changes) #### Release of version 2.5.0 of Web SDK (03 September 2026) More details We have released version 2.5.0 of our Checkout Web SDK, which includes the below changes: * You can now listen to the [`wp:funding-type:change` event hook](/products/checkout/web/event-hooks#wpfunding-typechange), which indicates the funding type associated with the card number entered by your customer. This triggers once your customer enters at least the first 12 digits of their card number. * The [`wp:card-brands:change` event hook](/products/checkout/web/event-hooks#wpcard-brandschange) has been updated to trigger once your customer enters at least the first 12 digits of their card number. It returns the brands associated with the card number entered. * [`wp:card:change`](/products/checkout/web/event-hooks#wpcardchange) is deprecated and must not be used. It has been superseded by [`wp:card-brands:change`](/products/checkout/web/event-hooks#wpcard-brandschange) and will be removed in the next major version. * The following [form tag classes](/products/checkout/web/styles#form-tag) are **deprecated**: `.visa`, `.mastercard`, `.amex`, `.jcb`, `.diners`, `.maestro`, `.discover`. You **must not use these** as they may be incorrectly set for certain card numbers. Instead, use the [`wp:card-brands:change` event hook](/products/checkout/web/event-hooks#wpcard-brandschange) to detect the card brand associated with the card number entered by your customer. #### Luhn compliance checks disabling (31 March 2026) More details You can create sessions with [non-Luhn compliant cards](/products/access/checkout/web/luhn-compliance#why-disable-luhn-compliance) by setting `allowNonLuhnCompliantCards` to "true". #### Support for co-branded cards (24 June 2025) More details You can now listen to the `wp:card-brands:change` event hook which will return the brands associated with the card number entered by your customer. This field replaces `wp:card:change` which will be deprecated in the next major version. 2024 #### Shadow DOM support (19 September 2024) More details You can now use the Access Checkout Web SDK in a [Shadow DOM](/products/checkout/web/shadow-dom). #### Session without CVC (25 April 2024) More details You can now [omit CVC](/products/checkout/web/card-only#create-a-session-without-cvc) when creating a card session. 2022 #### Caret color customization and numeric keypad (07 November 2022) More details We have released a new version of our Web SDK 1.11.0. This version will enable you to customize the caret color in PAN, Expiry date and CVC input fields by setting the [`caret-color`](/products/checkout/web/styles#allowed-css-properties) property in CSS. On mobile devices, these input fields will now display numeric keypad as the customer enters their card details. #### React.js integration example (24 February 2022) More details We have added an [integration example using a React.js application](/products/checkout/web/integration-react) to our Web SDK documentation. #### New remove feature (24 February 2022) More details We have added a feature allowing you to [remove the SDK](/products/checkout/web/card-and-cvc#removing-the-sdk) from a page. 2021 #### Vue.js integration example (08 December 2021) More details We have added an [integration example using a Vue.js application](/products/checkout/web/integration-vue-js) to our Web SDK documentation. #### PAN formatting (06 September 2021) More details [PAN formatting](/products/checkout/web/formatting) allows you to format the card in your checkout form as the customer types. #### Card brand configuration (15 February 2021) More details The [card brand configuration](/products/checkout/web/card-brands) allows you to restrict the cards that you accept on your checkout form. 2020 #### Accessibility feature (10 November 2020) More details This feature allows you to customize the [accessibility](/products/checkout/web/accessibility) aspects of your SDK integration. #### Clear form feature (10 November 2020) More details We have added a [`clearForm` feature](/products/checkout/web/card-only#clear-form) allowing you to create sessions for multiple cards without reloading the SDK. ##### CVC session increased lifespan (19 October 2020) More details We have increased the lifespan of the CVC session from one minute to 15 minutes. #### CVC only mode (16 March 2020) More details You can now create a `sessions` object for your customer's CVC only. See the full guide [here](/products/checkout/web/card-and-cvc). #### Card and CVC mode (14 April 2020) More details You can now create to separate sessions for your customer's card details and CVC. See the full guide [here](/products/checkout/web/card-and-cvc).