# Ion-dev 1.0.294 and Ion 1.0.57

**URL:** <https://forum.datomic.com/t/ion-dev-1-0-294-and-ion-1-0-57/1965>\
**Category:** Announcements\
**Created:** [September 29, 2021, 3:01pm UTC](https://forum.datomic.com/t/ion-dev-1-0-294-and-ion-1-0-57/1965 "2021-09-29T15:01:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jaret](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.datomic.com/jaret/32/45_2.png) [@jaret](https://forum.datomic.com/u/jaret)\
**Post date:** [September 29, 2021, 3:01pm UTC](https://forum.datomic.com/t/ion-dev-1-0-294-and-ion-1-0-57/1965/1 "2021-09-29T15:01:34Z")

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This message covers changes in this release. For more details, see [Datomic Cloud Releases | Datomic](https://docs.datomic.com/cloud/releases.html)

## 2021/09/29 1.0.294 - ion-dev

- Upgraded Lambda runtime to Corretto, per [AWS policy](https://aws.amazon.com/blogs/compute/announcing-migration-of-the-java-8-runtime-in-aws-lambda-to-amazon-corretto/).
- Upgraded AWS Java SDK to 1.12.1.
- Upgraded data.json to 2.4.0

## 2021/09/29 1.0.57 - ion

- Fix: `nil` error thrown when calling cast before calling `initialize-redirect` .
- Upgraded AWS Java SDK to 1.12.1.
- Upgraded transit-clj to 1.0.324
- Upgraded data.json to 2.4.0