{"schema_version":"onlylabs.public_signal.v1","title":"Google (DeepMind / Gemini) Release: google-deepmind/open_spiel v2.0","description":"Google (DeepMind / Gemini) release signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/04b70730-4afc-4359-ab39-c2da56745033","json_url":"https://onlylabs.fyi/signals/04b70730-4afc-4359-ab39-c2da56745033/signal.json","generated_at":"2026-07-26T18:50:07.877Z","evidence_latest_fetched_at":"2026-07-14T07:01:39.196002+00:00","signal_first_seen_at":"2026-07-14T07:00:33.77921+00:00","org":{"slug":"google-deepmind","name":"Google (DeepMind / Gemini)","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/google-deepmind","dossier_json_url":"https://onlylabs.fyi/labs/google-deepmind/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/04b70730-4afc-4359-ab39-c2da56745033","signal_json":"https://onlylabs.fyi/signals/04b70730-4afc-4359-ab39-c2da56745033/signal.json","source":"https://github.com/google-deepmind/open_spiel/releases/tag/v2.0","lab_dossier":"https://onlylabs.fyi/labs/google-deepmind","lab_dossier_json":"https://onlylabs.fyi/labs/google-deepmind/dossier.json","analysis":"https://onlylabs.fyi/analysis/google-deepmind","analysis_json":"https://onlylabs.fyi/analysis/google-deepmind/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/google-deepmind/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":"Google (DeepMind / Gemini) published google-deepmind/open_spiel v2.0 (google-deepmind/open_spiel). 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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/04b70730-4afc-4359-ab39-c2da56745033/signal.json","required":true},{"label":"source","url":"https://github.com/google-deepmind/open_spiel/releases/tag/v2.0","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/google-deepmind/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/google-deepmind/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, and cited evidence, analyze Google (DeepMind / Gemini)'s release signal \"google-deepmind/open_spiel v2.0\" for frontier lab strategy."},"semantic_triples":[{"subject":"Google (DeepMind / Gemini)","predicate":"released","object":"google-deepmind/open_spiel v2.0","text":"Google (DeepMind / Gemini) released google-deepmind/open_spiel v2.0."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"is classified as","object":"release signal","text":"google-deepmind/open_spiel v2.0 is classified as release signal."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"belongs to","object":"releases desk","text":"google-deepmind/open_spiel v2.0 belongs to releases desk."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has context","object":"google-deepmind/open_spiel","text":"google-deepmind/open_spiel v2.0 has context google-deepmind/open_spiel."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has evidence coverage","object":"1 captured evidence 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changed.."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has source host","object":"github.com","text":"google-deepmind/open_spiel v2.0 has source host github.com."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has lab","object":"Google (DeepMind / Gemini)","text":"google-deepmind/open_spiel v2.0 has lab Google (DeepMind / Gemini)."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has signal desk","object":"releases","text":"google-deepmind/open_spiel v2.0 has signal desk releases."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has source host","object":"github.com","text":"google-deepmind/open_spiel v2.0 has source host github.com."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has repository","object":"google-deepmind/open_spiel","text":"google-deepmind/open_spiel v2.0 has repository google-deepmind/open_spiel."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has release","object":"OpenSpiel 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See the.... onlylabs links this event to 1 captured evidence page and 6 related release signals.","semantic_triples":[{"subject":"Google (DeepMind / Gemini)","predicate":"released","object":"google-deepmind/open_spiel v2.0","text":"Google (DeepMind / Gemini) released google-deepmind/open_spiel v2.0."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"is classified as","object":"release signal","text":"google-deepmind/open_spiel v2.0 is classified as release signal."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"belongs to","object":"releases desk","text":"google-deepmind/open_spiel v2.0 belongs to releases desk."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has context","object":"google-deepmind/open_spiel","text":"google-deepmind/open_spiel v2.0 has context google-deepmind/open_spiel."},{"subject":"google-deepmind/open_spiel v2.0","predicate":"has evidence coverage","object":"1 captured evidence page","text":"google-deepmind/open_spiel v2.0 has evidence coverage 1 captured evidence page."}]},"signal":{"id":"04b70730-4afc-4359-ab39-c2da56745033","url":"https://onlylabs.fyi/signals/04b70730-4afc-4359-ab39-c2da56745033","json_url":"https://onlylabs.fyi/signals/04b70730-4afc-4359-ab39-c2da56745033/signal.json","source_url":"https://github.com/google-deepmind/open_spiel/releases/tag/v2.0","title":"google-deepmind/open_spiel v2.0","summary":"Google (DeepMind / Gemini) published release notes. onlylabs watches releases for what actually shipped.","context":"google-deepmind/open_spiel","kind":{"key":"release","label":"Release"},"org":{"slug":"google-deepmind","name":"Google (DeepMind / Gemini)","category":"frontier-lab"},"occurred_at":"2026-07-14T02:28:05+00:00","first_seen_at":"2026-07-14T07:00:33.77921+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/google-deepmind/open_spiel/releases/tag/v2.0"]},"facets":{"repo":"google-deepmind/open_spiel"},"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":{"is_primary":true,"source_match":true,"url":"https://github.com/google-deepmind/open_spiel/releases/tag/v2.0","final_url":"https://github.com/google-deepmind/open_spiel/releases/tag/v2.0","title":"google-deepmind/open_spiel v2.0","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-07-14T07:01:39.196002+00:00","bytes":10616,"raw_path":"7fb68cc6665675c478af91f83321fbd7a96f2c86028369ed308047ac3efea287.json","content_hash":"299c3ddef63b203b999d1c89b1fdd27db3014bf2a79335b5f4ba1cca3f0f91c9","excerpt_chars":1200,"truncated":true,"excerpt":"OpenSpiel 2.0 Repository: google-deepmind/open_spiel Tag: v2.0 Published: 2026-07-14T02:28:05Z Prerelease: no Release notes: This is a new major release. See the [Introducing OpenSpiel 2.0 blog post](https://mlanctot.info/introducing_open_spiel_2.0/) for an overview of new features and demo of the OpenSpiel MCP Server. Several of the OpenSpiel games are now being used in [Kaggle environments](https://github.com/kaggle/kaggle-environments) as part of the [Kaggle Game Arena](https://www.kaggle.com/game-arena), which measures the frontier of model capabilities through dynamic game environments. Much of the functionality added between 1.6 and 2.0 was to support games for the game arena. Major Changes and Improvements - Core API: State, observation and action structs - Core API: Action struct only games for large / open-ended action spaces (see e.g. Crossword) - Core API: Standard trajectories - Add optional starting states to OpenSpiel states (`State::StartingState` and `State::StartingStateStr`); generally supported by serialization - Add language model fine-tuning and QLoRA examples (Gemma 3 via Kauldron, and other models via huggingface, including Gemma 4) - Add MCP Server example..."},"evidence_pages":[],"related_signals":[{"id":"5f701381-a64a-4efa-9d01-2cf1013a18f7","url":"https://onlylabs.fyi/signals/5f701381-a64a-4efa-9d01-2cf1013a18f7","source_url":"https://github.com/google-deepmind/mujoco_warp/releases/tag/v3.10.0.3","title":"google-deepmind/mujoco_warp v3.10.0.3","context":"google-deepmind/mujoco_warp","kind":{"key":"release","label":"Release"},"org":{"slug":"google-deepmind","name":"Google (DeepMind / Gemini)","category":"frontier-lab"},"occurred_at":"2026-07-22T15:27:48+00:00","first_seen_at":"2026-07-23T07:00:34.177179+00:00","date_source":"source"},{"id":"e1a8cac2-fd99-461b-b777-c96e7c367ae2","url":"https://onlylabs.fyi/signals/e1a8cac2-fd99-461b-b777-c96e7c367ae2","source_url":"https://github.com/google-deepmind/alphaproof-nexus-results/releases/tag/science-submission","title":"google-deepmind/alphaproof-nexus-results science-submission","context":"google-deepmind/alphaproof-nexus-results","kind":{"key":"release","label":"Release"},"org":{"slug":"google-deepmind","name":"Google (DeepMind / Gemini)","category":"frontier-lab"},"occurred_at":"2026-07-21T16:01:28+00:00","first_seen_at":"2026-07-22T07:00:33.147332+00:00","date_source":"source"},{"id":"1e7ef2de-6bb2-4d39-9657-1cf94784caf7","url":"https://onlylabs.fyi/signals/1e7ef2de-6bb2-4d39-9657-1cf94784caf7","source_url":"https://github.com/google-deepmind/open_spiel/releases/tag/v2.0.1","title":"google-deepmind/open_spiel v2.0.1","context":"google-deepmind/open_spiel","kind":{"key":"release","label":"Release"},"org":{"slug":"google-deepmind","name":"Google (DeepMind / Gemini)","category":"frontier-lab"},"occurred_at":"2026-07-17T14:18:59+00:00","first_seen_at":"2026-07-18T07:00:32.952985+00:00","date_source":"source"},{"id":"6b25c668-0d06-43b7-89b6-8afe5327dbdb","url":"https://onlylabs.fyi/signals/6b25c668-0d06-43b7-89b6-8afe5327dbdb","source_url":"https://github.com/google-deepmind/alphagenome_research/releases/tag/v0.3.0","title":"google-deepmind/alphagenome_research v0.3.0","context":"google-deepmind/alphagenome_research","kind":{"key":"release","label":"Release"},"org":{"slug":"google-deepmind","name":"Google (DeepMind / Gemini)","category":"frontier-lab"},"occurred_at":"2026-07-14T14:49:10+00:00","first_seen_at":"2026-07-15T07:00:33.38833+00:00","date_source":"source"},{"id":"f16a0a50-6642-4643-a3dc-438c75098bf7","url":"https://onlylabs.fyi/signals/f16a0a50-6642-4643-a3dc-438c75098bf7","source_url":"https://github.com/google-deepmind/mujoco_warp/releases/tag/v3.10.0.2","title":"google-deepmind/mujoco_warp v3.10.0.2","context":"google-deepmind/mujoco_warp","kind":{"key":"release","label":"Release"},"org":{"slug":"google-deepmind","name":"Google (DeepMind / Gemini)","category":"frontier-lab"},"occurred_at":"2026-07-13T18:24:30+00:00","first_seen_at":"2026-07-14T07:00:33.77921+00:00","date_source":"source"},{"id":"23406d69-9301-4c04-af03-116fba6d7407","url":"https://onlylabs.fyi/signals/23406d69-9301-4c04-af03-116fba6d7407","source_url":"https://github.com/google-deepmind/reaf/releases/tag/v1.1","title":"google-deepmind/reaf v1.1","context":"google-deepmind/reaf","kind":{"key":"release","label":"Release"},"org":{"slug":"google-deepmind","name":"Google (DeepMind / Gemini)","category":"frontier-lab"},"occurred_at":"2026-07-09T09:14:54+00:00","first_seen_at":"2026-07-10T07:00:33.597145+00:00","date_source":"source"}]}