3.15.1

v3.15.1 (2026-07-09)

New Features

• feat: Add granular telemetry signals decorator params and error classification (#5963)

Bug Fixes

• fix: always apply evaluator identity keywords and allow explicit domain_id (#5989)
• fix: ModelBuilder resolves private hub artifacts correctly (#5985)
• fix: refresh LLMAsJudgeEvaluator allowed evaluator models (#5987)
• fix: define LAMBDA_ARN_REGEX in finetune_utils to fix RLVRTrainer NameError (#5988)
• fix: RLVR validation bugfix (#6000)
• fix: drop claude-sonnet-4-20250514 from evaluator allowlist (#6009)
• fix(serve): Invoke pip without shell in xgboost install_package (#5981)
• fix: Correct DJL-LMI ISO/ADC accounts + add THF/ISO-E (djl-lmi, huggingface-llm-neuronx) (#5980)

Documentation

• docs: Add AGENTS.md and llms.txt for AI agent v3 guidance (#5982)
• docs: Add SDK-first guidance to AGENTS.md and llms.txt (#5997)
• docs: Add Version Lifecycle page under Getting Started (#5994)
• docs: serve robots.txt opting V2 docs out of AI training crawls (#6003)

Other

• Add Triton Server v26.05 image URI config (#5999)
• Add sklearn 1.4-2-py312 and xgboost 3.2-0 image URI configs (#6008)
• test: Fix/v3 tests (#5996)
• test: wip nova hyperpod integ tests (#5990)