{"schema_version":"onlylabs.public_signal.v1","title":"Amazon (Nova) Release: amazon-science/chronos-forecasting v2.2.0","description":"Amazon (Nova) release signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/f00d6e8c-b095-4cd4-9974-ba72625b7df4","json_url":"https://onlylabs.fyi/signals/f00d6e8c-b095-4cd4-9974-ba72625b7df4/signal.json","generated_at":"2026-06-11T03:44:56.9645+00:00","org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/amazon","dossier_json_url":"https://onlylabs.fyi/labs/amazon/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/f00d6e8c-b095-4cd4-9974-ba72625b7df4","signal_json":"https://onlylabs.fyi/signals/f00d6e8c-b095-4cd4-9974-ba72625b7df4/signal.json","source":"https://github.com/amazon-science/chronos-forecasting/releases/tag/v2.2.0","lab_dossier":"https://onlylabs.fyi/labs/amazon","lab_dossier_json":"https://onlylabs.fyi/labs/amazon/dossier.json","analysis":"https://onlylabs.fyi/analysis/amazon","analysis_json":"https://onlylabs.fyi/analysis/amazon/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/amazon/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/releases","topic_signals_json":"https://onlylabs.fyi/topics/releases/signals.json","topic_feed":"https://onlylabs.fyi/topics/releases/feed.xml","data_business":null},"answer_pack":{"answer":"Amazon (Nova) published amazon-science/chronos-forecasting v2.2.0 (amazon-science/chronos-forecasting). This release signal is evidence of what shipped, changed, or was packaged for users. High-signal details: Minor version update to known library, low traction · 2.2.0 Repository: amazon-science/chronos-forecasting Tag: v2.2.0 Published: 2025-12-08T14:16:34Z Prerelease: no Release notes: 🚀 What's New? - Support for low-rank.... onlylabs links this event to 1 captured evidence page and 6 related release signals.","signal_desk":"releases","source_context":{"source_url":"https://github.com/amazon-science/chronos-forecasting/releases/tag/v2.2.0","source_host":"github.com","occurred_at":"2025-12-08T14:16:34+00:00","first_seen_at":"2026-06-06T01:49:32.065372+00:00","date_source":"source","context":"amazon-science/chronos-forecasting"},"context_markers":[{"label":"Lab","value":"Amazon (Nova)","source":"signal"},{"label":"Signal desk","value":"releases","source":"signal"},{"label":"Source 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hard edge of lab execution and help connect data-business opportunities to concrete model, repo, and deployment changes.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/f00d6e8c-b095-4cd4-9974-ba72625b7df4/signal.json","required":true},{"label":"source","url":"https://github.com/amazon-science/chronos-forecasting/releases/tag/v2.2.0","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/amazon/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/amazon/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/releases/signals.json","required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, 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v2.2.0","predicate":"has evidence coverage","object":"1 captured evidence page","text":"amazon-science/chronos-forecasting v2.2.0 has evidence coverage 1 captured evidence page."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has captured page count","object":"1","text":"amazon-science/chronos-forecasting v2.2.0 has captured page count 1."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has readable page count","object":"1","text":"amazon-science/chronos-forecasting v2.2.0 has readable page count 1."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has related signal count","object":"6","text":"amazon-science/chronos-forecasting v2.2.0 has related signal count 6."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has analysis playbook objective","object":"Turn model cards, repository releases, and launch artifacts into a current view of what shipped and what changed.","text":"amazon-science/chronos-forecasting v2.2.0 has analysis playbook objective Turn model cards, repository releases, and launch artifacts into a current view of what shipped and what changed.."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has source host","object":"github.com","text":"amazon-science/chronos-forecasting v2.2.0 has source host github.com."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has lab","object":"Amazon (Nova)","text":"amazon-science/chronos-forecasting v2.2.0 has lab Amazon (Nova)."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has signal desk","object":"releases","text":"amazon-science/chronos-forecasting v2.2.0 has signal desk releases."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has source host","object":"github.com","text":"amazon-science/chronos-forecasting v2.2.0 has source host github.com."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has repository","object":"amazon-science/chronos-forecasting","text":"amazon-science/chronos-forecasting v2.2.0 has repository amazon-science/chronos-forecasting."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has release","object":"2.2.0","text":"amazon-science/chronos-forecasting v2.2.0 has release 2.2.0."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has notability","object":"Minor version update to known library, low traction","text":"amazon-science/chronos-forecasting v2.2.0 has notability Minor version update to known library, low traction."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has watch term","object":"Infrastructure","text":"amazon-science/chronos-forecasting v2.2.0 has watch term Infrastructure."}]},"intelligence":{"signal_desk":"releases","answer":"Amazon (Nova) published amazon-science/chronos-forecasting v2.2.0 (amazon-science/chronos-forecasting). This release signal is evidence of what shipped, changed, or was packaged for users. High-signal details: Minor version update to known library, low traction · 2.2.0 Repository: amazon-science/chronos-forecasting Tag: v2.2.0 Published: 2025-12-08T14:16:34Z Prerelease: no Release notes: 🚀 What's New? - Support for low-rank.... onlylabs links this event to 1 captured evidence page and 6 related release signals.","semantic_triples":[{"subject":"Amazon (Nova)","predicate":"released","object":"amazon-science/chronos-forecasting v2.2.0","text":"Amazon (Nova) released amazon-science/chronos-forecasting v2.2.0."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"is classified as","object":"release signal","text":"amazon-science/chronos-forecasting v2.2.0 is classified as release signal."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"belongs to","object":"releases desk","text":"amazon-science/chronos-forecasting v2.2.0 belongs to releases desk."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has context","object":"amazon-science/chronos-forecasting","text":"amazon-science/chronos-forecasting v2.2.0 has context amazon-science/chronos-forecasting."},{"subject":"amazon-science/chronos-forecasting v2.2.0","predicate":"has evidence coverage","object":"1 captured evidence page","text":"amazon-science/chronos-forecasting v2.2.0 has evidence coverage 1 captured evidence page."}]},"signal":{"id":"f00d6e8c-b095-4cd4-9974-ba72625b7df4","url":"https://onlylabs.fyi/signals/f00d6e8c-b095-4cd4-9974-ba72625b7df4","json_url":"https://onlylabs.fyi/signals/f00d6e8c-b095-4cd4-9974-ba72625b7df4/signal.json","source_url":"https://github.com/amazon-science/chronos-forecasting/releases/tag/v2.2.0","title":"amazon-science/chronos-forecasting v2.2.0","summary":"Amazon (Nova) published release notes. onlylabs watches releases for what actually shipped.","context":"amazon-science/chronos-forecasting","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2025-12-08T14:16:34+00:00","first_seen_at":"2026-06-06T01:49:32.065372+00:00","date_source":"source","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/amazon-science/chronos-forecasting/releases/tag/v2.2.0"]},"facets":{"repo":"amazon-science/chronos-forecasting"},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"url":"https://github.com/amazon-science/chronos-forecasting/releases/tag/v2.2.0","final_url":"https://github.com/amazon-science/chronos-forecasting/releases/tag/v2.2.0","title":"amazon-science/chronos-forecasting v2.2.0","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T03:44:56.9645+00:00","bytes":5950,"raw_path":"d93b5ff3adcf3b8e3f2a72b181dcb563e33c437580e3a39126ff99a4c3e579d7.json","content_hash":"54c2c21007da23d40fdef0db299004da90006567028b885e0d000b43d8a95155","excerpt_chars":1200,"truncated":true,"excerpt":"2.2.0 Repository: amazon-science/chronos-forecasting Tag: v2.2.0 Published: 2025-12-08T14:16:34Z Prerelease: no Release notes: 🚀 What's New? 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- Support for low-rank adaption (LoRA) fine-tuning - Optimized dataframe operations, making `predict_df` significantly faster than before 🐛 Bug Fixes and Enhancements - Removed assert on batch size in multi-GPU environments - Added option to skip dataframe validation in `predict_df` - Chronos-2: Renamed `predict_batches_jointly` to `cross_learning` for clarity - Chronos-2: Added option to specify callbacks in `fit` - Chronos-2: Handle prediction_length < 3 for case where future_df is provided What's Changed * Chronos-2: Convert assert about batch size to warning by @abdulfatir in https://github.com/amazon-science/chronos-forecasting/pull/392 * Fix link in Chronos-Bolt tutorial notebook entry by @shchur in https://github.com/amazon-science/chronos-forecasting/pull/396 * Optimize `convert_df_input_to_list_of_dicts_input` and `validate_df_inputs` by @shchur in https://github.com/amazon-science/chronos-forecasting/pull/395 * Chronos-2: Add LoRA fine-tuning support by @abdulfatir in https://github.com/amazon-science/chronos-forecasting/pull/393..."}],"related_signals":[{"id":"48b07581-1baa-451f-a141-2e3d7a984fcf","url":"https://onlylabs.fyi/signals/48b07581-1baa-451f-a141-2e3d7a984fcf","source_url":"https://github.com/amazon-science/concurry/releases/tag/v0.13.2","title":"amazon-science/concurry v0.13.2","context":"amazon-science/concurry","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-05-21T12:25:34+00:00","first_seen_at":"2026-06-05T20:58:37.464059+00:00","date_source":"source"},{"id":"8d82442b-99a9-48ca-a544-ce326351d487","url":"https://onlylabs.fyi/signals/8d82442b-99a9-48ca-a544-ce326351d487","source_url":"https://github.com/amazon-science/concurry/releases/tag/v0.13.1","title":"amazon-science/concurry v0.13.1","context":"amazon-science/concurry","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-05-21T11:48:18+00:00","first_seen_at":"2026-06-05T20:58:37.464059+00:00","date_source":"source"},{"id":"8470f354-8d69-4dbf-905a-d1a59df46142","url":"https://onlylabs.fyi/signals/8470f354-8d69-4dbf-905a-d1a59df46142","source_url":"https://github.com/amazon-science/azcausal/releases/tag/v0.2.5","title":"amazon-science/azcausal v0.2.5","context":"amazon-science/azcausal","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-04-30T18:25:05+00:00","first_seen_at":"2026-06-06T01:49:32.065372+00:00","date_source":"source"},{"id":"ea1a9158-32c6-4058-ae2a-7de8a659751d","url":"https://onlylabs.fyi/signals/ea1a9158-32c6-4058-ae2a-7de8a659751d","source_url":"https://github.com/amazon-science/uniqsketch/releases/tag/v1.2.1","title":"amazon-science/uniqsketch v1.2.1","context":"amazon-science/uniqsketch","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-04-06T16:09:09+00:00","first_seen_at":"2026-06-06T01:49:32.065372+00:00","date_source":"source"},{"id":"bdebc990-63a9-42ae-9f23-696688262a98","url":"https://onlylabs.fyi/signals/bdebc990-63a9-42ae-9f23-696688262a98","source_url":"https://github.com/amazon-science/azcausal/releases/tag/v0.2.4.3","title":"amazon-science/azcausal v0.2.4.3","context":"amazon-science/azcausal","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-04-02T21:01:34+00:00","first_seen_at":"2026-06-06T01:49:32.065372+00:00","date_source":"source"},{"id":"b53ac8cd-fff1-440e-9037-db231bccd48a","url":"https://onlylabs.fyi/signals/b53ac8cd-fff1-440e-9037-db231bccd48a","source_url":"https://github.com/amazon-science/concurry/releases/tag/v0.13.0","title":"amazon-science/concurry v0.13.0","context":"amazon-science/concurry","kind":{"key":"release","label":"Release"},"org":{"slug":"amazon","name":"Amazon (Nova)","category":"frontier-lab"},"occurred_at":"2026-03-11T10:59:12+00:00","first_seen_at":"2026-06-05T20:58:37.464059+00:00","date_source":"source"}]}