> For the complete documentation index, see [llms.txt](https://docs.payments.thalescloud.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payments.thalescloud.io/release-notes/backend/january-2026/jan-20.md).

# Jan 20

| Environment    | Date         |
| -------------- | ------------ |
| Pre-Production | Jan 15, 2026 |
| Production     | Jan 20, 2026 |

### Merchant Tokenization

#### Improvements

* Update the PCI Tokenization flow to support 14- and 15-digit PANs.


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