For the complete documentation index, see llms.txt. This page is also available as Markdown.

v88 — Almost forever

12 Oct 2025

Features

Fixes

  • Fixed multi-file upload behavior in the upload widget when utilizing buffer storage.

  • Resolved a positioning discrepancy between the App Builder preview and Production Apps when using the Top Bar or Top Bar and Bottom Tabs in the Page Explorer. Widgets in Production Apps no longer render too low on the y-axis.

  • Fixed a bug where the fontSize property on the button did not apply correctly.

  • Duplicating canvas sections now correctly clears all pre-existing widget connections.

  • Fixed an issue where the onJsonMessage and onStringMessage events inside the MQTT Client connector failed to trigger correctly when registered multiple times.

  • Resolved a dependency issue with serial data transfer that caused the Modbus connector to crash on startup.

  • Fixed a rendering bug in the Backend Builder flow interface where the connection arrow was missing when linking event handlers to function inputs.

  • Fixed an issue where the incorrect initial page loaded when an App used programmatic page switching.

Changes

  • Renamed the file widget to upload, and added new filtering categories including photo.

  • Configured backend event flows to only activate when running in test mode.

Breaking changes

  • If your App uses a top bar or top bar and bottom tabs navigation layout, you may need to adjust your widget positions to align with the new layout rendering (see Fixes).

  • The readXlsx function in the File I/O connector no longer returns an object containing the sheet name as the sole key when processing a single sheet. It now returns the array of rows directly.

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