What apache/superset shipped
Written by FoxPlug from public releases; not affiliated with Apache Superset. An automatic summary of the public release, pull request and commit data of github.com/apache/superset. Apache Superset did not write it and does not use or endorse FoxPlug. Every line links to the public change it describes.
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Week of September 21, 2026
What shipped
- Candlestick Chart visualization added to ECharts plugin for OHLC time series data with support for X-axis, Open/Close/High/Low metrics, and optional series dimensions. Pull request #43863
- Excel export now works directly without requiring S3 bucket configuration, previously returned 501 error on deployments without external storage. Pull request #44082
- Explore standalone modes now granular with separate UI hiding options, and dashboard fullscreen toggle made safe for iframe embedding. Pull request #44165
- Large CSV exports now stream without executing the full query first when row count exceeds streaming threshold. Pull request #44624
- Fixed Slice.form_data crash when params JSON decodes to non-dict types like strings or arrays. Pull request #44731
- MongoDB dataset queries now return rows by properly quoting table names in FROM clauses. Pull request #44583
- Dashboard edit-mode row resizing fixed to shrink properly and unblock resize handles above columns. Pull request #44359
- MCP dataset tools expanded with create_dataset_metric and delete_dataset_metric operations. Pull request #44580
- Charts outside in-flight auto-refresh batches now display loading spinner when switching dashboard tabs. Pull request #44272
- Dataset column refresh now updates changed_on timestamp so chart cache invalidates properly. Pull request #43921
Why it matters
This week shipped visualization improvements with the new Candlestick Chart for time series analysis, fixed critical data export paths for deployments without external storage, and resolved several query execution bugs affecting MongoDB datasets, CSV streaming, and dashboard interactions. The changes improve both feature completeness and stability for core workflows.
Changelog entry
- Candlestick Chart visualization type added for OHLC time series Pull request #43863
- Excel export works directly without S3 bucket configuration Pull request #44082
- Explore standalone modes now granular; dashboard fullscreen safe in iframes Pull request #44165
- Large CSV exports stream without executing full query first Pull request #44624
- Fixed Slice.form_data crash on non-dict JSON params Pull request #44731
- MongoDB dataset queries return rows with proper table name quoting Pull request #44583
- Dashboard row resizing shrinks properly; resize handles unblocked Pull request #44359
- MCP tools add create_dataset_metric and delete_dataset_metric operations Pull request #44580
- Loading spinner displays for charts outside auto-refresh batches Pull request #44272
- Dataset column refresh invalidates chart cache via changed_on update Pull request #43921
- Table time comparison columns resolve auto-detected currency per row Pull request #44649
- DB2 time grain expressions improved with DATE_TRUNC function Pull request #43236
New Candlestick Chart visualization, Excel exports without S3, granular Explore standalone modes, and fixes for MongoDB queries, CSV streaming, and dashboard resizing.
This week brings visualization and stability improvements to Apache Superset: the new Candlestick Chart for OHLC time series, Excel export that works without S3 buckets, granular Explore standalone modes for iframe embedding, and critical fixes for MongoDB queries, large CSV streaming, dashboard resizing, and chart caching after dataset refresh.