https://community.esri.com/t5/arcgis-experience-builder-questions/exb-dev-edition-1-17-breaking-change/m-p/1662027#M21415 <P>Update: it seems to be still working...&nbsp; Declaring DataSource as FeatureServiceDataSource gets rid of the TS error as it gains access to child properties</P> Wed, 29 Oct 2025 19:53:14 GMT SerjStol 2025-10-29T19:53:14Z https://community.esri.com/t5/arcgis-experience-builder-questions/exb-dev-edition-1-17-breaking-change/m-p/1662023#M21414 <P>Hello dear mappers,</P><P>In a process of updating my custom widget from 1.14 exb dev version to 1.17 due to some breaking changes that make it not work in enterprise 11.5.</P><P data-unlink="true">Seems like <STRONG>getChildDataSources()</STRONG> property of <STRONG>DataSource</STRONG> object is no longer available? I tried <STRONG>getAllDerivedDataSources()&nbsp;</STRONG>&nbsp;and<STRONG> getAllLocalDataSources()&nbsp;</STRONG>but they all return empty array.&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="SerjStol_0-1761765666070.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/142871i160BADA1154FF6F4/image-size/medium?v=v2&amp;px=400" role="button" title="SerjStol_0-1761765666070.png" alt="SerjStol_0-1761765666070.png" /></span></P><P>&nbsp;</P><P data-unlink="true">P.S. Documentation still references getChildDataSources() but its no longer part of the API.&nbsp;<A href="https://developers.arcgis.com/experience-builder/guide/core-concepts/data-source/" target="_blank">Data sources | ArcGIS Experience Builder | Esri Developer</A></P> Wed, 29 Oct 2025 19:23:37 GMT https://community.esri.com/t5/arcgis-experience-builder-questions/exb-dev-edition-1-17-breaking-change/m-p/1662023#M21414 SerjStol 2025-10-29T19:23:37Z https://community.esri.com/t5/arcgis-experience-builder-questions/exb-dev-edition-1-17-breaking-change/m-p/1662027#M21415 <P>Update: it seems to be still working...&nbsp; Declaring DataSource as FeatureServiceDataSource gets rid of the TS error as it gains access to child properties</P> Wed, 29 Oct 2025 19:53:14 GMT https://community.esri.com/t5/arcgis-experience-builder-questions/exb-dev-edition-1-17-breaking-change/m-p/1662027#M21415 SerjStol 2025-10-29T19:53:14Z