Merge master into feature-smtj-instance-preferences-latest (merge commit, do NOT squash) - #6248

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deeppcs wants to merge 31 commits into

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deeppcs:ip-latest-sync-master

Commits on Aug 17, 2026

Add unit test to prevent future regression of preset reward function (#6182)

mujtaba1747
and
Syed Jafri
authored
1db06c5
fix(ci): let AI code review run on external contributor PRs (#6185)
jam-jee
authored
b6eb059

Commits on Aug 18, 2026

test(serve): Add skip_in_pr_check marker for hang-prone integ tests (#6190)
lucasjia-aws
authored
fd775cd

Commits on Aug 19, 2026

Commits on Aug 20, 2026

fix(tgi): honor S3 model_path as weight source for TGI builds (#5943) (#5964)

authored
06a2c1a
fix: Made CPT integ tests dry run for optimize for capacity constraints (#6194)

mujtaba1747
and
Syed Jafri
authored
44410e2
fix: anchor tar member validation to extract_path in sagemaker-core (#6195)
nargokul
authored
4f2cdfd

Commits on Aug 21, 2026

fix(core,mlops): honor caller region in feature_store ingest_dataframe and stop telemetry from blocking SDK calls (#6197)
nargokul
authored
a248126

Commits on Aug 24, 2026

fix(rlaif): accept preset reward_prompt template names (#6192)

rsareddy0329
and
Roja Reddy Sareddy
authored
2fc624f
docs: Add per-agent instruction files pointing to AGENTS.md (#6208)
jam-jee
authored
3792482
fix(ci,train): run fast-integ-tests in CodeBuild and give shallow RLVR cases a reward signal (#6207)
jam-jee
authored
b981113

Commits on Aug 25, 2026

Release 3.21.0 (#6211)

rsareddy0329
and
Roja Reddy Sareddy
authored
d3801bb

Commits on Aug 26, 2026

feat(train): add list_hyperparameters() for pre-trainer HP discovery (#6149)

joshuatowner
and
Joshua Towner
authored
b2f88c5

Commits on Aug 27, 2026

fix(ci,train): stop integ-tests rerunning the shallow suite (#6216)
jam-jee
authored
1b14335
fix(train): add PipelineSession support to V3 trainers (SFT/DPO/RLAIF/RLVR) (#6213)

nayan3107
and
nayan3107
authored
b94f673
fix(feature_store): register HubContent Dataset from DatasetBuilder CSV path (#6212)

Vishakha263
and
Vishakha Nerkar
authored
6f431c9

Commits on Aug 28, 2026

docs(train): add an SOP for adding/updating shallow integ tests (#6219)
jam-jee
authored
eb0f09e

Commits on Aug 31, 2026

change: add image_uri_config for DLC serving frameworks and amzn2023 pytorch (#6220)

Yadan-Wei
and
Yadan Wei
authored
3f868b8
change: add image_uri_config for vLLM (#6218)

Yadan-Wei
and
Yadan Wei
authored
d0016e8

Commits on Sep 1, 2026

feat(sagemaker-core): Add botocore-sync GitHub workflows (#6226)

rsareddy0329
and
Roja Reddy Sareddy
authored
b0206e6
fix(local): detect docker compose v2+ when version has no 'v' prefix (#6231)

mohamedzeidan2021
and
Mohamed Zeidan
authored
ef82992
fix: resolve private hub Models and aliased references for ModelTrainer (#6201)
tanvikab4
authored
18cb28c
change: add image_uri_config for TensorFlow inference 2.20 and training 2.21 (#6230)

bhanutejagk
and
Bhanu Teja Goshikonda
authored
376f2a7

Commits on Sep 2, 2026

Commits on Sep 3, 2026

change: update image_uri_configs 09-03-2026 07:18:07 PST
sagemaker-bot
committed
55c2a9b

Commits on Sep 4, 2026

evaluator_model was checked against a hardcoded _ALLOWED_EVALUATOR_MO… (#6217)

mohamedzeidan2021
and
Mohamed Zeidan
authored
1382c97

Commits on Sep 8, 2026

change: emit the JumpStart model ID in ModelBuilder telemetry (#6234)
evakravi
authored
8e7485a

Commits on Sep 10, 2026

Merge master into feature-smtj-instance-preferences-latest
deeppcs
committed
c8ba57f