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[BUG] LightGBM streaming allocates executor buffers using the global partition count

area/lightgbm

bug

triage

Status: Open.

#2702 In microsoft/SynapseML;

· Rana Singh (ranadeepsingh) opened on Sep 7, 2026

[BUG] LightGBM streaming silently accepts inconsistent feature-vector dimensions

area/lightgbm

bug

triage

Status: Open.

#2703 In microsoft/SynapseML;

· Rana Singh (ranadeepsingh) opened on Sep 7, 2026

[Feature Request] Support structured outputs (JSON Schema) in OpenAIChatCompletion

triage

Status: Open.

#2700 In microsoft/SynapseML;

· Shresth Kumar Gupta (Srazyy) opened on Sep 6, 2026

[Tracking] Fabric distributed LightGBM reliability: fixes, regressions, and runtime delivery

area/lightgbm

triage

Status: Open.

#2699 In microsoft/SynapseML;

· Rana Singh (ranadeepsingh) opened on Sep 5, 2026

[BUG] Distributed categorical LightGBM crashes in SerialTreeLearner::SplitInner

area/lightgbm

bug

triage

Status: Open.

#2697 In microsoft/SynapseML;

· Rana Singh (ranadeepsingh) opened on Sep 4, 2026

[BUG] LightGBM is failing on a cluster with 2 executors or more

bug

triage

Status: Open.

#2674 In microsoft/SynapseML;

· Shahram Sabzevari (ssabzevari-antuit) opened on Aug 20, 2026

feat: ship a GPU-enabled LightGBM native so deviceType=gpu can actually train

triage

Status: Open.

#2642 In microsoft/SynapseML;

· Rana Singh (ranadeepsingh) opened on Aug 15, 2026

chore: automate release step 1.6 - queue ADO pipeline 17563 for each release tag

triage

Status: Open.

#2641 In microsoft/SynapseML;

· Rana Singh (ranadeepsingh) opened on Aug 15, 2026

Error Training LGBM Classifier on Databricks

triage

Status: Open.

#2452 In microsoft/SynapseML;

· 左眼用来忘记你 (liuyu930) opened on Nov 27, 2025

Error Training LGBM Regressor on Fabric

triage

Status: Open.

#2438 In microsoft/SynapseML;

· Muhammad Omer (muhammad-omer-dev) opened on Oct 18, 2025

Adding custom callback functions parameter to LightGBMRegressor (e.g. pruning callback for Optuna HPO)

triage

Status: Open.

#2406 In microsoft/SynapseML;

· Dusan Pantelic (pantelic-dusan) opened on Aug 5, 2025

[BUG] crashed while call lightgbm fit method

bug

triage

Status: Open.

#2395 In microsoft/SynapseML;

· wyf (wyfSunflower) opened on Jul 2, 2025