3.9.0

langflow-ai/langflow3.9.0Jun 12, 2026by dtslvr

AI Summary

This release extends the Public API with an experimental endpoint for updating asset profiles and adds support for a dedicated OpenRouter model, while improving form prefilling and localization features.

Key Highlights

Added PATCH endpoint for asset profile data (`api/v1/asset-profiles/:dataSource/:symbol`)
Added support for dedicated OpenRouter model in the `web_fetch` tool
Prefilled account balance management form with current cash balance
Moved specific calendar year date ranges to general availability
Improved Korean language localization

New Features

Asset profile update API endpoint
OpenRouter model support in FetchService
Form prefilling improvements
General availability for calendar year date ranges
Korean localization improvements

Full Release Notes

### Added

- Extended the _Public API_ with the endpoint to update the asset profile data (`PATCH api/v1/asset-profiles/:dataSource/:symbol`) (experimental)
- Added support for a dedicated _OpenRouter_ model for the `web_fetch` tool in the `FetchService`

### Changed

- Prefilled the form in the account balance management with the current cash balance
- Disabled the selection of future dates in the account balance management
- Grouped commodities and cryptocurrencies into the unknown bucket of the allocations by continent, country, currency, market and sector charts on the allocations page
- Moved the support for specific calendar year date ranges (`2025`, `2024`, `2023`, etc.) in the assistant from experimental to general availability
- Migrated various components from `NgStyle` to style bindings
- Improved the language localization for Korean (`ko`)

### Fixed

- Grouped activities without an account into the unknown bucket of the allocations by account and platform charts on the allocations page

### Special Thanks

- @battdir
- @DavidReque
- @dtslvr
- @Sjohn21
- @x52-dev