# 2022.4.0

> **Released in AI Center | DocumentUnderstanding + DocumentClassifier + Data Extraction ML Packages**

## 23 May 2022 | LTS Release

**Released in AI Center | DocumentUnderstanding + DocumentClassifier + Data Extraction ML Packages**

Stay up to date with all the latest news regarding the ML Packages by going through the next list of changes that have occurred since the last LTS release until now.

### What's New

**Handwriting capabilities** are now available for the UiPathDocumentOCR and the UiPathDocumentOCR_CPU packages, by integrating the HandwritingRecognitionOCR. The same capabilities can be found in the UiPath.OCR.LocalServer Studio package.

**New architecture** on extraction ML Packages, with major benefits, especially to models trained using the DocumentUnderstanding ML Package.

**UiPathDocumentOCR_CPU** ML Package is now available as GA. Being **optimized to run on CPU**, this package has an increased speed when running in workflow, and also when used to import documents into **Document Manager**. Due to architectural changes, on the 2022.4 release, the training time on CPU is slower than on 2021.10 release. The accuracy is better, especially on the DocumentUnderstanding package, but the training time is slower on CPU, compared to 2021.10 release. Training time on GPU remains the same for both versions.

**Utility Bills**,**W9**, and **Passports** ML Packages are now **available as GA**.

Five new out-of-the-box pre-trained ML Packages are now available in `-Preview` to ease your work.

### Improvements

Improvements have been made to the ML Packages for document extraction in AI Center. The Evaluation Excel spreadsheet has received new sheets, allowing you to better organize and interpret the evaluated data.

ML Packages in Automation Suite offline installation have received a new offline bundle.

Accuracy has been improved for the UiPathDocumentOCR.

### Bug Fixes

Multiple fixes on parsing date fields, including dates in Column fields, dates in Turkish documents, dates far into the future.

### 28 June 2022

#### Known Issues

* In some situations, the extracted fields are shown on the wrong page in Validation Station.

## 10 May 2022 | V22.4.0

**Released in AI Center | DocumentUnderstanding + DocumentClassifier + Data Extraction ML Packages**

### Improvements

**Utility Bills**,**W9**, and **Passports** ML Packages are now **available as GA**.

Five new out-of-the-box pre-trained ML Packages are now available in `-Preview` to ease your work.

#### New ML Packages

| **ML Package** | **Public Preview** | **Generally Available** |
| --- | --- | --- |
| **ACORD125** | ✔ |  |
| **I9** | ✔ |  |
| **990** | ✔ |  |
| **4506T** | ✔ |  |
| **FM1003** | ✔ |  |

#### Updated ML Packages

| **ML Package** | **Public Preview** | **Generally Available** |
| --- | --- | --- |
| **Invoices** |  | ✔ |
| **InvoicesAustralia** |  | ✔ |
| **InvoicesIndia** |  | ✔ |
| **UtilityBills** |  | ✔ |
| **Passports** |  | ✔ |
| **W9** |  | ✔ |
| **Receipts** |  | ✔ |
| **PurchaseOrders** |  | ✔ |
| **InvoicesChina** | ✔ |  |
| **InvoicesJapan** | ✔ |  |
| **Contracts** | ✔ |  |
| **IDCards** | ✔ |  |
| **RemittanceAdvices** | ✔ |  |
| **DeliveryNotes** | ✔ |  |
| **W2** | ✔ |  |