Release notes

3.12.0 (30 September 2026)

Bugfixes

• Realtime datasets can be cooled again after a signal is reheated.

• Import duration no longer includes aliasing and script time.

• add_signal works after aliasing or scripts have failed.

• Aliasing reruns are queued, so they no longer run in parallel.

3.11.5 (25 September 2026)

Bugfixes

• ZIPRT fixes: fix signal time offsets and transformation table parsing

3.11.4 (21 September 2026)

Plugin improvements

• ZIPRT: fix datatype parsing and handling empty IRD files

• Parquet: read metadata from json file

3.11.3 (15 September 2026)

Bugfixes

• Fix empty signals stuck in heating

3.11.2 (14 September 2026)

Bugfixes & UX

• Improve metadata parsing in MDF plugin

3.11.1 (10 September 2026)

Features

• Processing scripts (NEW!)

  • Manage and test scripts

  • Configure processing pipeline per stream

  • Rerun processing scripts on dataset/full datastream

  • Use example scripts

  • Script compute minutes on license

• Plugins

  • CH10 plugin

  • ZIPRT plugin

  • Extend metadata in MDF plugin

Bugfixes & UX

• Improve Datastream page performance

• Download signal metadata to .csv

• One-off plugin arguments in a datastream

3.10.1 (20 August 2026)

Features

• Better progress tracking of the full import process

• Perform periodical maintenance on the Iceberg table

• Better sorting & filtering of datastreams

Bugfixes

• Kill hanging connections during import

• .pnrf plugin: don't crash on large files

• .csv plugin better handling of files with empty column names

3.9.0 (29 July 2026)

Features

• Add signals to a dataset via the API/SDK's

• Create empty datasets via the API/SDK's

• Search by name in dataset table

• Upload files by dragging them on the dataset table

• Added Source field to signals (Import/Alias/API)

Bugfixes

• Fix Workspace name overflow

• Fix 'latest' Datastream copy

3.8.1 (22 July 2026)

Features

• CSV plugin options

  • index header row

  • index unit row

  • time column index

  • strip prefix

  • strip whitespace

Bugfixes

• Add logging when sending webhook fails

• Increase max signals per iceberg commit

3.8.0 (13 July 2026)

Features

• Added --structure signal to old MAT files

• Fixed --time-factor for --structure signal

Infra

• Added ‘Realtime cooling’ queue

• Added ‘Commit signal’ queue

• Check dependencies before starting up marple-db container

Bugfixes

• Trino Security Fix

• Fixed Authentication via Entra ID & Cognito

  • Allow custom logout redirect

  • Fix refreshing expired tokens

3.7.0 (19 June 2026)

Features

• Cool realtime datasets

Bugfixes & UX

• Fix some missing signals in mat plugin

3.6.0 (27 May 2026)

Features

• Support for Azure

• IMC plugin

Bugfixes & UX

• Improved uploading UX

• Details on available nodes

• Fixed bug in MDF plugin for signals of uneven length within a group

3.5.1 (13 May 2026)

Features

• Simulink MAT plugin

• --use-groups/--no-use-groups option for TDMS

Dev

• Upload to Server as fallback if S3 is not reacheable from the Browser

• Fixes some broken insight webhooks

3.5.0 (12 May 2026)

Features

• New Ingestion Flow

  • ‘UPLOADING’ is now a separate state

  • Upload files straight to blob storage

  • Multi-Part Upload for larger files

• Ingestion Nodes are now available

  • Planet Scale ingestion performance via AWS Batch

• Cancel/Abort ingestion at any time

  • UPLOADING/WAITING/IMPORTING

3.4.1 (17 April 2026)

Bugfixes & UX

• Improve "hot storage almost full" handling

3.4.0 (15 April 2026)

Bugfixes & UX

• Fix Negative Timestamps crashing import process

• Fix Insight Webhook crashing import process

3.3.0 (26 March 2026)

Features

• Rename workspaces

Bugfixes & UX

• MAT plugin: more robust for empty signals

• Improve Trino memory usage (fix files stuck at importing)

• Disable cool realtime signals

• Don’t show “all” datastreams when specific selected

3.4.0 (15 April 2026)

• Fix Import process crashing on negative timestamps

• Minor bugfixes

3.3.2 (30 March 2026)

• Minor bugfixes

3.3.1 (26 March 2026)

• Minor bugfixes

3.3.0 (26 March 2026)

• Airgapped IdP

• Rename Workspace

• Minor bugfixes & reliability fixes

3.2.3 (18 March 2026)

• Disabled cooling of real-time data

3.2.2 (9 March 2026)

• Offline IdP

• Connect to Trino without https

3.2.1 (5 March 2026)

Bugfixes

• Fix missing metadata on file upload

3.2.0 (4 March 2026)

Features

• Plugins

  • Parquet (new!)

  • HDF5: signal format & performance improvements

  • MAT: process HDF5 files

• Dataset metadata: folder selector

• Ingestion

  • Show ingestion queue on datastream page

  • Option to cancel waiting imports

• Hot storage tracking

Bugfixes & UX

• Fix log out to switch user

• Prefill metadata on upload from previous file

• Store NaN values as None in realtime streams

3.1.2 (16 February 2026)

• Changed FastAPI endpoints from async def -> def

3.1.1 (13 February 2026)

• Optimize Parquet ‘row_groups’ in Iceberg

• Compress Parquet using ZSTD in Iceberg

• Fix Jumpcloud OAUTH

• Update Connect page with new SDK documentation

3.1.0 (10 February 2026)

Features

• Make all cold storage queryable

• Limit Trino memory resources

• Include live hot storage in license limit

• “Drop license” upload box for offline deployments

• Python SDK++ (.where etc)

Bugfixes & UX

• Speed up signal preprocessing rules

• MAVLink plugin: write different instances to different signals

• Fix cooling script

• Scrollable workspace selector

• Switch to new workspace after creation

3.0.7 (5 February 2026)

Bugfixes

• Fix cooling script

• Better iceberg lock

3.0.6 (3 February 2026)

Bugfixes

• More performant signal rules queries

• Lock the iceberg table when deleting a dataset

3.0.5 (28 January 2026)

Features

• MAVLink plugin: Extract all instance signals

3.0.4 (26 January 2026)

Bugfixes

• Fix cooling script

• Fix count-parquet-versions script

• Improve migration script to migrate in memory

• Add locking mechanism to add_iceberg_files to avoid commit issues

3.0.0 (22 January 2026)

Features

• Queryable cold storage

  • Write parquet files in Iceberg format

  • Setup Trino catalogs per workspace

• Batch reingest/download/delete datasets

• Allow only adding users by superuser (config setting)

Bugfixes & UX

• Dataset table flickers for realtime datastreams

• Refresh license when accessing via API endpoints

• Format all dates as dd/mm/yyyy

• Fuzzy search in workspace switcher

2.11.2 (8 January 2026)

Bugfixes

• Speedup script to decrease hot data storage

• Reset IdP ids script

2.11.1 (17 December 2025)

Features

• Option to skip empty signals in MDF plugin

2.11.0 (16 December 2025)

🚧 Real-time has been re-enabled on db.marpledata.com (for selected workspaces)

Features

• Licensing Added

• User Roles (Admin, Editor) added for users & API tokens

• Data Cooling Script

2.10.1 (11 December 2025)

11/12/2025

Features

• CSV, MAT, TDMS, HDF5 plugin: option to use index as time column

• TDMS Plugin: option to select one of multiple time columns

• Avro Plugin Added

2.10.0 (3 December 2025)

27/11/2025

🚧 Real-time streaming has been temporarily disabled on db.marpledata.com

Features

• Allow using multiple time columns in CSV, MAT & H5 Plugins

Bugfixes

• Metadata fields are visible again in the upload modal

• Datastream page is faster with large number of datasets

2.9.2 (27 November 2025)

27/11/2025

Features

• Extract metadata in Mavlink plugin

Bugfixes

• Performance improvements for datasets with many metadata fields

2.9.1 (24 November 2025)

24/11/2025

Bugfixes

• Fix refreshing Datastream page

2.9.0 (20 November 2025)

20/11/2025

Features

• MDF plugin extracts both numeric values & text values for ENUM signals

• Usage tracking

Bugfixes

• Convert all metadata read from CSV to strings

• Show an error when logging in with a duplicate email

2.8.0 (29 October 2025)

29/10/2025

Features

• Convert new parquet files to Iceberg-compatible format

2.7.1 (22 October 2025)

22/10/2025

Bugfixes

• Looser SSL context

2.7.0 (16 October 2025)

16/10/2025

Features

• Signal Heating Queue

2.6.1 (3 October 2025)

03/10/2025

Bugfixes

• Fix closing database connections

2.6.0 (2 October 2025)

02/10/2025

Features

• Realtime performance improvements

• .ulog plugin

• .bin plugin

• Superuser for managing workspaces

• Download signal as parquet file

Bugfixes & UX

• Whitescreen when creating a datastream with “?” in the name

• Aliasing: don’t choose empty signal as reference signal

• Filter negative timestamps during ingestion

• Add timestamps to Docker logs

• Fix login redirect

• Allow switching users after logout

2.5.2 (19 September 2025)

19/09/2025

Bugfixes

• Handle errors in signal aliasing

2.5.1 (18 September 2025)

18/09/2025

Features

• Signal aliasing

  • Create new signals based on a hierarchy of existing signals

  • Define rules

  • Download & Upload rules in bulk

  • Run signal aliasing on import of new datasets

  • Rerun signal aliasing for entire streams or individual datasets

• Add all available metadata fields to the downloadable connection.json to reduce setup work in Marple Insight

• Create realtime datastreams

Bugfixes & UX

• Change mandatory metadata when set to empty string

• Info about who uploaded a dataset

• Do not fail when config setting INGEST_PLUGINS_ADDITIONAL is missing

• Drop 19h time partitions

2.4.1 (5 September 2025)

05/09/2025

Features

• Matrix format in HDF5/MAT plugin

Bugfixes

• Fix MDF memory issue

2.4.0 (4 September 2025)

04/09/2025

Features

• Show available plugin names

• Download dataset metadata to csv

• Whitelist signals in mdf plugin

• MATLAB SDK

2.3.0 (20 August 2025)

20/08/2025

Features

• Metadata

  • Define optional/mandatory metadata

  • Fill in metadata on file upload

  • Flag datasets with missing metadata

• Add options “time-offset” and “time-factor” to all plugins

Bugfixes & UX

• Allow changing metadata while importing datasets

• Speedup datastream & dataset info

• Add release notes to help menu

• Get metadata suggestions

2.2.0 (6 August 2025)

06/08/2025

Features

• Show sizes of cold and hot storage

• Add gleap messaging for support

• Publish swagger API docs at /api/docs (example)

• Speed up signal heating (3-5x)

Bugfixes & UX

• Export connection.json for setup with Marple Insight

• Restrict editing of preprocessing rules to admins only

• Add sorting on dataset en signal tables

• Fix metadata keys going off-screen (no scrollbar)

• Fix heating for similar signals (Throttle, Throttle.left, Throttle.right)

• Fix when ingesting & heating large signals (100M+ datapoints)

2.1.0 (24 July 2025)

24/07/2025

Features

• Uploading bulk metadata with CSV

• csv plugin: group signals by file name (--unzip --group-by-filename)

• segment plugin

Bugfixes & UX

• mdf plugin: fix overflow when casting from int64 to float64

• Show signals with empty strings as unavailable instead of as text

• Fix workspace name being invisible when there is only 1

Older

6 older releases are unpublished