# Latest **URL:** https://community.cumulocity.com/latest.md [Latest](https://community.cumulocity.com/latest.md) · [Categories](https://community.cumulocity.com/categories.md) · [Tags](https://community.cumulocity.com/tags.md) --- ## [Welcome to the Cumulocity Tech Community!](https://community.cumulocity.com/t/welcome-to-the-cumulocity-tech-community/7904)
**Author:** [@Stefan\_Witschel](https://community.cumulocity.com/u/Stefan_Witschel)\ **Replies:** 0\ **Last updated:** [March 5, 2026, 12:50pm UTC](https://community.cumulocity.com/t/welcome-to-the-cumulocity-tech-community/7904 "2026-03-05T12:50:50Z")
Welcome to the Cumulocity Tech Community! :tada: The Tech Community is the single place for all users of Cumulocity to: :newspaper: Get informed about the latest News, including security incidents or product news … --- ## [Welcome to Cumulocity! 👋](https://community.cumulocity.com/t/welcome-to-cumulocity/5)
**Author:** [@system](https://community.cumulocity.com/u/system)\ **Replies:** 0\ **Last updated:** [September 25, 2024, 7:20pm UTC](https://community.cumulocity.com/t/welcome-to-cumulocity/5 "2024-09-25T19:20:38Z")
We are so glad you joined us. Here are some things you can do to get started: :speaking\_head: Introduce yourself by adding your picture and information about yourself and your interests to your profile. What is one thi… --- ## [Dynamic Mapper REST-API GET "polling"](https://community.cumulocity.com/t/dynamic-mapper-rest-api-get-polling/15204)
**Author:** [@v.reschke](https://community.cumulocity.com/u/v.reschke)\ **Replies:** 5\ **Last updated:** [September 23, 2026, 12:53pm UTC](https://community.cumulocity.com/t/dynamic-mapper-rest-api-get-polling/15204 "2026-09-23T12:53:27Z")
Hi everyone, I’m currently trying to use the Dynamic Mapper to periodically poll data from an external REST API and map it as e.g. measurements into Cumulocity. trigger (e.g. 5min) – \> REST GET (Extr. API) – \> Mappin… --- ## [September 10, 2026 - Ternary operator now available in the Analytics Builder Expression block](https://community.cumulocity.com/t/september-10-2026-ternary-operator-now-available-in-the-analytics-builder-expression-block/15187)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 12, 2026, 7:07am UTC](https://community.cumulocity.com/t/september-10-2026-ternary-operator-now-available-in-the-analytics-builder-expression-block/15187 "2026-09-12T07:07:49Z")
Context Change Type: Improvement Product area: Analytics Component: Streaming Analytics Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocity.com ▶ Technical deta… --- ## [September 21, 2026 - Cumulocity Streaming Analytics runtime images move to Debian 13 and Java 25](https://community.cumulocity.com/t/september-21-2026-cumulocity-streaming-analytics-runtime-images-move-to-debian-13-and-java-25/15205)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 22, 2026, 7:10am UTC](https://community.cumulocity.com/t/september-21-2026-cumulocity-streaming-analytics-runtime-images-move-to-debian-13-and-java-25/15205 "2026-09-22T07:10:42Z")
Context Change Type: Announcement Product area: Analytics Component: Streaming Analytics ▶ Technical details Description In an upcoming release, the Cumulocity Streaming Analytics (Apama) runtime images are upgraded … --- ## [December 3, 2025 - Cumulocity Developers Codex now available as a blueprint on Management tenants](https://community.cumulocity.com/t/december-3-2025-cumulocity-developers-codex-now-available-as-a-blueprint-on-management-tenants/15203)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 19, 2026, 7:08am UTC](https://community.cumulocity.com/t/december-3-2025-cumulocity-developers-codex-now-available-as-a-blueprint-on-management-tenants/15203 "2026-09-19T07:08:31Z")
Context Change Type: Feature Product area: Application enablement & solutions Component: Cockpit Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocity.com ▶ Techn… --- ## [December 3, 2025 - Information on migrating to Web SDK v1023 added to the Developers Codex](https://community.cumulocity.com/t/december-3-2025-information-on-migrating-to-web-sdk-v1023-added-to-the-developers-codex/15202)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 19, 2026, 7:08am UTC](https://community.cumulocity.com/t/december-3-2025-information-on-migrating-to-web-sdk-v1023-added-to-the-developers-codex/15202 "2026-09-19T07:08:29Z")
Context Change Type: Improvement Product area: Application enablement & solutions Component: Web SDK Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocity.com ▶ T… --- ## [A/B environments](https://community.cumulocity.com/t/a-b-environments/15201)
**Author:** [@david.presuhn](https://community.cumulocity.com/u/david.presuhn)\ **Replies:** 2\ **Last updated:** [September 18, 2026, 1:07pm UTC](https://community.cumulocity.com/t/a-b-environments/15201 "2026-09-18T13:07:10Z")
I have a user who wants 2 production tenancies. They want to do Design Validation in Environment A and then at some point make that Production and switch the Production Environment (environment B) to a Staging environmen… --- ## [Enhancement request- enable multiple subtenancies to utilize same trust store](https://community.cumulocity.com/t/enhancement-request-enable-multiple-subtenancies-to-utilize-same-trust-store/15200)
**Author:** [@david.presuhn](https://community.cumulocity.com/u/david.presuhn)\ **Replies:** 1\ **Last updated:** [September 17, 2026, 3:44pm UTC](https://community.cumulocity.com/t/enhancement-request-enable-multiple-subtenancies-to-utilize-same-trust-store/15200 "2026-09-17T15:44:51Z")
We use certificates for mutual authentication and have several non-production sub-tenancies, such as Sandbox and test environments. We would like to transfer devices between the two environments but using the same certi… --- ## [September 14, 2026 - Add withSubAssets parameter to sub-asset assignment endpoint](https://community.cumulocity.com/t/september-14-2026-add-withsubassets-parameter-to-sub-asset-assignment-endpoint/15196)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 7:10am UTC](https://community.cumulocity.com/t/september-14-2026-add-withsubassets-parameter-to-sub-asset-assignment-endpoint/15196 "2026-09-15T07:10:14Z")
Context Change Type: Feature Product area: Application enablement & solutions Component: Digital Twin Manager Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocit… --- ## [September 14, 2026 - Device configuration UX improvements](https://community.cumulocity.com/t/september-14-2026-device-configuration-ux-improvements/15195)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 15, 2026, 7:10am UTC](https://community.cumulocity.com/t/september-14-2026-device-configuration-ux-improvements/15195 "2026-09-15T07:10:12Z")
Context Change Type: Feature Product area: Device management & connectivity Component: Device Management app Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocity… --- ## [September 9, 2026 - Sigfox discontinues the Service Status callback used for battery and temperature measurements](https://community.cumulocity.com/t/september-9-2026-sigfox-discontinues-the-service-status-callback-used-for-battery-and-temperature-measurements/15186)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 12, 2026, 7:07am UTC](https://community.cumulocity.com/t/september-9-2026-sigfox-discontinues-the-service-status-callback-used-for-battery-and-temperature-measurements/15186 "2026-09-12T07:07:47Z")
Context Change Type: Announcement Product area: Device management & connectivity Component: LPWAN ▶ Technical details Description Context Sigfox has announced in its backend release 15.5 that the Service Status call… --- ## [September 9, 2026 - Web SDK security update](https://community.cumulocity.com/t/september-9-2026-web-sdk-security-update/15183)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 11, 2026, 7:09am UTC](https://community.cumulocity.com/t/september-9-2026-web-sdk-security-update/15183 "2026-09-11T07:09:10Z")
Context Change Type: Security Product area: Application enablement & solutions Component: Web SDK Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocity.com ▶ Tech… --- ## [Security Advisory: Vulnerabilities in WebSDK @c8y/bootstrap package](https://community.cumulocity.com/t/security-advisory-vulnerabilities-in-websdk-c8y-bootstrap-package/15179)
**Author:** [@c8y\_security](https://community.cumulocity.com/u/c8y_security)\ **Replies:** 0\ **Last updated:** [September 10, 2026, 1:06pm UTC](https://community.cumulocity.com/t/security-advisory-vulnerabilities-in-websdk-c8y-bootstrap-package/15179 "2026-09-10T13:06:09Z")
Date: 10th September 2026 Severity: Critical/ High Audience: Developers building custom applications using Web SDK & Cumulocity environment owners Action Required: Update custom applications and plugins & upgrade en… --- ## [Cumulocity Maintenance Release 2026.7 Now Available](https://community.cumulocity.com/t/cumulocity-maintenance-release-2026-7-now-available/15180)
**Author:** [@Jens\_Wildhagen](https://community.cumulocity.com/u/Jens_Wildhagen)\ **Replies:** 0\ **Last updated:** [September 9, 2026, 3:48pm UTC](https://community.cumulocity.com/t/cumulocity-maintenance-release-2026-7-now-available/15180 "2026-09-09T15:48:54Z")
Overview We are pleased to announce the availability of Cumulocity Maintenance Release 2026.7. This maintenance release includes important updates, bug fixes, and improvements to enhance your IoT platform experience. I… --- ## [September 3, 2026 - Retrieve asset definitions for multiple assets with a single REST API call](https://community.cumulocity.com/t/september-3-2026-retrieve-asset-definitions-for-multiple-assets-with-a-single-rest-api-call/15174)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 4, 2026, 7:14am UTC](https://community.cumulocity.com/t/september-3-2026-retrieve-asset-definitions-for-multiple-assets-with-a-single-rest-api-call/15174 "2026-09-04T07:14:02Z")
Context Change Type: Feature Product area: Application enablement & solutions Component: Digital Twin Manager Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocit… --- ## [September 3, 2026 - Improved recovery of a timed out LWM2M firmware delivery](https://community.cumulocity.com/t/september-3-2026-improved-recovery-of-a-timed-out-lwm2m-firmware-delivery/15173)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 4, 2026, 7:14am UTC](https://community.cumulocity.com/t/september-3-2026-improved-recovery-of-a-timed-out-lwm2m-firmware-delivery/15173 "2026-09-04T07:14:01Z")
Context Change Type: Improvement Product area: Device management & connectivity Component: LWM2M Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocity.com ▶ Techn… --- ## [September 3, 2026 - Enterprise tenants now reliably receive their default application and microservice subscriptions](https://community.cumulocity.com/t/september-3-2026-enterprise-tenants-now-reliably-receive-their-default-application-and-microservice-subscriptions/15172)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 4, 2026, 7:13am UTC](https://community.cumulocity.com/t/september-3-2026-enterprise-tenants-now-reliably-receive-their-default-application-and-microservice-subscriptions/15172 "2026-09-04T07:13:58Z")
Context Change Type: Improvement Product area: Platform services Component: Administration Deployed at: eu.latest.cumulocity.com ▶ Technical details Description Previously, an Enterprise tenant that had customized i… --- ## [How to Connect Local AI Models to Cumulocity AI Agent Manager](https://community.cumulocity.com/t/how-to-connect-local-ai-models-to-cumulocity-ai-agent-manager/15119)
**Author:** [@Rahul\_Talreja](https://community.cumulocity.com/u/Rahul_Talreja)\ **Replies:** 5\ **Last updated:** [September 3, 2026, 7:53am UTC](https://community.cumulocity.com/t/how-to-connect-local-ai-models-to-cumulocity-ai-agent-manager/15119 "2026-09-03T07:53:58Z")
Authors: @Hendrik\_Naether1 and @Rahul\_Talreja If you have experimented with local AI models, you already know the appeal. You get full control over the models you use, no per-request cloud costs, and the freedom to test… --- ## [August 31, 2026 - Improved icon documentation in the Codex](https://community.cumulocity.com/t/august-31-2026-improved-icon-documentation-in-the-codex/15166)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [September 2, 2026, 7:10am UTC](https://community.cumulocity.com/t/august-31-2026-improved-icon-documentation-in-the-codex/15166 "2026-09-02T07:10:20Z")
Context Change Type: Improvement Product area: Application enablement & solutions Component: Web SDK Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocity.com ▶ T… --- ## [Device Name set to MQTT\_DeviceId](https://community.cumulocity.com/t/device-name-set-to-mqtt-deviceid/15159)
**Author:** [@vsingh17](https://community.cumulocity.com/u/vsingh17)\ **Replies:** 4\ **Last updated:** [September 1, 2026, 3:32pm UTC](https://community.cumulocity.com/t/device-name-set-to-mqtt-deviceid/15159 "2026-09-01T15:32:58Z")
Hello, I’m connecting a device using thin-edge and have noticed some inconsistent behavior: the device name is sometimes set to “DeviceId” and other times to “MQTT\_DeviceId”. I’d like to understand how to make this dete… --- ## [Cumulocity Maintenance Release 2026.6 Now Available](https://community.cumulocity.com/t/cumulocity-maintenance-release-2026-6-now-available/15158)
**Author:** [@Jens\_Wildhagen](https://community.cumulocity.com/u/Jens_Wildhagen)\ **Replies:** 0\ **Last updated:** [September 1, 2026, 8:56am UTC](https://community.cumulocity.com/t/cumulocity-maintenance-release-2026-6-now-available/15158 "2026-09-01T08:56:13Z")
Overview We are pleased to announce the availability of Cumulocity Maintenance Release 2026.6. This maintenance release includes important updates, bug fixes, and improvements to enhance your IoT platform experience. I… --- ## [August 20, 2026 - Duration block now provides a Restart input port to reset elapsed time without deactivation](https://community.cumulocity.com/t/august-20-2026-duration-block-now-provides-a-restart-input-port-to-reset-elapsed-time-without-deactivation/15124)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [August 21, 2026, 7:19am UTC](https://community.cumulocity.com/t/august-20-2026-duration-block-now-provides-a-restart-input-port-to-reset-elapsed-time-without-deactivation/15124 "2026-08-21T07:19:40Z")
Context Change Type: Improvement Product area: Analytics Component: Streaming Analytics Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocity.com ▶ Technical deta… --- ## [Explore and Try Out APIs Directly in Cumulocity with the API Doc Application](https://community.cumulocity.com/t/explore-and-try-out-apis-directly-in-cumulocity-with-the-api-doc-application/15143)
**Author:** [@Harald\_Meyer](https://community.cumulocity.com/u/Harald_Meyer)\ **Replies:** 1\ **Last updated:** [August 27, 2026, 11:58am UTC](https://community.cumulocity.com/t/explore-and-try-out-apis-directly-in-cumulocity-with-the-api-doc-application/15143 "2026-08-27T11:58:48Z")
The new API Doc application brings API documentation directly into your Cumulocity tenant. It allows you to view the documentation of the Cumulocity Core API and of installed microservices, and to try out APIs using th… --- ## [Changing Mailserver Authentication from Basic Auth to OAuth 2.0](https://community.cumulocity.com/t/changing-mailserver-authentication-from-basic-auth-to-oauth-2-0/15140)
**Author:** [@v.reschke](https://community.cumulocity.com/u/v.reschke)\ **Replies:** 2\ **Last updated:** [August 27, 2026, 11:08am UTC](https://community.cumulocity.com/t/changing-mailserver-authentication-from-basic-auth-to-oauth-2-0/15140 "2026-08-27T11:08:17Z")
Hi everyone, I’m currently trying updating our mail configuration and was hoping some of you might have already gone through the same process. The Problem is in our Cumulocity environment, we are currently still using … --- ## [August 25, 2026 - Icon selector now supports custom SVG icons and per-asset selection](https://community.cumulocity.com/t/august-25-2026-icon-selector-now-supports-custom-svg-icons-and-per-asset-selection/15135)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [August 26, 2026, 7:19am UTC](https://community.cumulocity.com/t/august-25-2026-icon-selector-now-supports-custom-svg-icons-and-per-asset-selection/15135 "2026-08-26T07:19:32Z")
Context Change Type: Feature Product area: Application enablement & solutions Component: Digital Twin Manager Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumulocit… --- ## [August 25, 2026 - Digital Twin Manager now supports multiple language translations](https://community.cumulocity.com/t/august-25-2026-digital-twin-manager-now-supports-multiple-language-translations/15134)
**Author:** [@cumulocity](https://community.cumulocity.com/u/cumulocity)\ **Replies:** 0\ **Last updated:** [August 26, 2026, 7:19am UTC](https://community.cumulocity.com/t/august-25-2026-digital-twin-manager-now-supports-multiple-language-translations/15134 "2026-08-26T07:19:30Z")
Context Change Type: Improvement Product area: Application enablement & solutions Component: Digital Twin Manager Deployed at: eu.latest.cumulocity.com, apj.cumulocity.com, jp.cumulocity.com, cumulocity.com, us.cumul… --- ## [Cumulocity AIoT Hackathon 2026](https://community.cumulocity.com/t/cumulocity-aiot-hackathon-2026/15007)
**Author:** [@Stefan\_Witschel](https://community.cumulocity.com/u/Stefan_Witschel)\ **Replies:** 1\ **Last updated:** [August 25, 2026, 8:54am UTC](https://community.cumulocity.com/t/cumulocity-aiot-hackathon-2026/15007 "2026-08-25T08:54:11Z")
It’s hackathon time! I’m happy to announce our 4th public Cumulocity Hackathon. September 21st + 22nd, 2026 This year the Cumulocity Hackathon will be at our Office in Leipzig. Explore exciting and trending topics like… --- ## [External ID addition as a custom field in device management](https://community.cumulocity.com/t/external-id-addition-as-a-custom-field-in-device-management/15130)
**Author:** [@bdm](https://community.cumulocity.com/u/bdm)\ **Replies:** 1\ **Last updated:** [August 24, 2026, 7:29pm UTC](https://community.cumulocity.com/t/external-id-addition-as-a-custom-field-in-device-management/15130 "2026-08-24T19:29:37Z")
Hello, as you can see in the example below, this device has an external ID additionally to its internal ID: what should be configured if we want to add it as a new column? and are we allowed to add it? or we can onl… --- ## [Bulk import via CSV - Device management templates](https://community.cumulocity.com/t/bulk-import-via-csv-device-management-templates/15131)
**Author:** [@bdm](https://community.cumulocity.com/u/bdm)\ **Replies:** 0\ **Last updated:** [August 24, 2026, 7:03pm UTC](https://community.cumulocity.com/t/bulk-import-via-csv-device-management-templates/15131 "2026-08-24T19:03:41Z")
Hello, we would like to understand more what we are seeing: sometimes we see created for example 40 and successful 43, what does it mean? what could be the remaining 3? is it some already existing devices which were u… [Next page](https://community.cumulocity.com/latest.md?page=1)