> For the complete documentation index, see [llms.txt](https://docs.ess-dive.lbl.gov/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ess-dive.lbl.gov/programmatic-tools/ess-dive-dataset-api/change-log.md).

# API Updates and Changes

## 1.9.0

*Released on 2023-11-28*

#### New Features 🎉

* Adds `@id` (i.e. DOI) to search results
* Enables dataset search by keyword with new `keyword` parameter
* Enables search for older versions of dataset metadata by identifier (i.e. `ess-dive-9727d2718c0d1d3-20230504T212419449020`) 
* Adds the identifier for the next version of metadata (i.e. `next`) and previous version (i.e. `previous`) to search results

#### **Enhancements** :sparkles:

* Enhances keyword search to lookup exact matches

## 1.8.0

*Released on 2022-11-28*

#### New Features 🎉

* Adds file size in KB to distribution items

#### **Enhancements** :sparkles:

* Updates technical Swagger documentation hosted by OpenAPI: <https://api.ess-dive.lbl.gov/#/>

## 1.7.0

*Released on 2022-08-08*

#### New Features 🎉

* Enable dataset submissions with project ID in `provider` field (new syntax example provided below)

```json
"provider": {
   "identifier": {
      "@type": "PropertyValue",
      "propertyID": "ess-dive",
      "value": "<PROJECT ID>"
   }
}
```

## 1.6.0

*Released on 2022-02-04*

#### New Features 🎉

* Enable linking out to datasets stored at external repositories
* Enable capability for anyone to search for public datasets

#### New Code Examples ✨

* Provided a python code example for streaming data file uploads
  * `update_stream_package.py` now available via [essdive-package-service-examples](https://github.com/ess-dive/essdive-package-service-examples/blob/master/code/python/update_stream_package.py) GitHub repository.

## 1.5.0

*Released on 2021-09-20*

#### New Features 🎉

Enables dataset sharing

* Enable the ability to share dataset&#x20;
* Expanded swagger Docs for dataset sharing

#### Bug Fix 🛠️

* Corrected dataset sharing typos and added sharing schema example to technical documentation

## **1.4.0**&#x20;

*Released on July 23rd, 2021*

#### **Enhancements** :sparkles:

You can now submit longer metadata descriptions

* Increase `measurementTechnique` description (i.e. Methods) character limit to <5000 characters
* Increase `description` (i.e. Abstract) character limit to <5000 characters&#x20;
* Increase `spatialCoverage` description (i.e. Geographic Description) character limit to <5000 characters

**Software Upgrades ⚙️**

* Enable support for Metacat >= 2.13.0 and Solr8

## 1.3.4

*Released on 2021-04-29*

#### Software Upgrades ⚙️&#x20;

* Main focus of this release is to support the EML 2.2.0 upgrade.

## 1.3.3

*Released on 2021-04-20*

#### Bug Fix 🛠️&#x20;

* Bug fix release for json-ld 500 Errors.

## 1.3.2

*Released on 2021-05-27*

This release includes the addition of a Berkeley Source Distribution (BSD) license to the package service.

#### Bug Fix 🛠️&#x20;

* Some bug fixes are included for accessing packages.

## 1.3.1

*Released on 2019-12-17*&#x20;

#### **Enhancements** :sparkles:

* This release enables up to 100GB data uploads. They are minor features and do not affect the API.

## 1.3.0

*Released on 2019-10-21*&#x20;

#### **Enhancements** :sparkles:

* This release enables up to 10GB data uploads.

## 1.2.0

*Released on 2019-06-26*&#x20;

#### New Features 🎉&#x20;

* Ability edit a data package&#x20;
* Data files in query results&#x20;
* Special characters should be removed from metadata filename&#x20;
* JSON-LD returned for single data package requests

This API update is backwards compatible with v1.1.0.