# 🚀 X.15.0004 – Updates to RFEM, RSTAB, RSECTION, and Dlubal API

**URL:** <https://community.dlubal.com/t/x-15-0004-updates-to-rfem-rstab-rsection-and-dlubal-api/3959>\
**Category:** Updates & News\
**Tags:** rfem-6, dlubal-update, rsection-1, rstab-9, api-2\
**Created:** [July 28, 2026, 6:11am UTC](https://community.dlubal.com/t/x-15-0004-updates-to-rfem-rstab-rsection-and-dlubal-api/3959 "2026-07-28T06:11:44Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![frank.faulstich](https://community.dlubal.com/user_avatar/community.dlubal.com/frank.faulstich/32/97_2.png) [@frank.faulstich](https://community.dlubal.com/u/frank.faulstich)\
**Post date:** [July 28, 2026, 6:11am UTC](https://community.dlubal.com/t/x-15-0004-updates-to-rfem-rstab-rsection-and-dlubal-api/3959/1 "2026-07-28T06:11:44Z")

</div>

Exciting Update from Dlubal Software: Version `X.15.0004` of [RFEM&nbsp;6](https://www.dlubal.com/en/products/rfem-fea-software/rfem/what-is-rfem), [RSTAB&nbsp;9](https://www.dlubal.com/en/products/rstab-frame-and-truss-structures/rstab-9/what-is-rstab), and [RSECTION&nbsp;1](https://www.dlubal.com/en/products/cross-section-properties-software/rsection) is available now!

Download the latest enhancements and bug fixes to boost your productivity from the [Dlubal Extranet](https://external-crm.dlubal.com/extranet.aspx?login=1&language=&form=0&id=0&viewpage=84) and review all improvements in the [Release Notes](https://external-crm.dlubal.com/extranet.aspx?login=1&language=&form=0&id=0&viewpage=126).

ℹ To upgrade from version X.14.XXXX, an active [Service Contract](https://dlubal.com/en/support-and-learning/service/service-contract) is required.  
ℹ The [Dlubal API](https://www.dlubal.com/en/products/dlubal-api/) is updated 1–2 days later.\[1\]

Do you have questions or need assistance? Feel free to reach out – we're happy to help 🙂

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1. [API Release Notes](https://apidocs.dlubal.com/release_notes.html)