QuantConnect Lean commit number 18197 adds the ShareClassMarketCap field, with MarketCap still retained as the company's total market capitalization. This commit is verified by GitHub signature and co-authored by Claude Fable 5.1.
Read originalvectorbt v1.2.0 has been officially released. This version introduces the ulcer index and Martin ratio indicators, adds the nbformat>=4.2.0 dependency, and fixes multiple issues including OBV calculation, EWM standard deviation ddof handling, portfolio P&L expectation statistics, and drawdown logging.
Read originalZipline Reloaded 3.2.0 is a maintenance release. It supports Python 3.11–3.14, removes support for Python 3.10, and is not yet compatible with Pandas 3 or Python 3.15. The pandas version remains constrained to below 3.0.
Read originalCode change commit number 18193 in QuantConnect Lean migrates BaseExtendedDictionary, ReadOnlyExtendedDictionary.
Read originalQuantConnect Lean released commit 18189 (corresponding hash 1a91415), which has a verified signature on GitHub. This update hides FundamentalProperty and the Get methods that accept this parameter from the code stubs.
Read originalNautilusTrader 2.0.0rc7 was released on October 15 (UTC), removing Python 3.12 support and adding compatibility with Python 3.13 and 3.14. This update adds features such as negative price support for futures, local calendar-based scheduled dispatch, batch order book incremental replay, and CME Globex option candidate IDs, while also including multiple breaking changes to interfaces and configurations.
Read originalBinance has completed the restoration of its spot API documentation. This update only adjusted the formatting of the spot exchange terms of use in the documentation, without modifying the substantive content of the terms. The documentation clearly reminds users that Binance products and services are subject to the product terms of use, and users should carefully read these terms before use.
Read originalib_async v2.1.0 has been released on PyPI, uploaded on 2025-12-08. All files in the sdist and all package files in the wheel for this version are identical to the corresponding commit ab629f3.
Read originalQuantLib 1.44 has been officially released, available for download as both QuantLib-1.44.tar.gz and QuantLib-1.44.zip. This version removes features deprecated in version 1.39, adds several new features, and deprecates a batch of features that will be removed in a future version (expected to be 1.49). This version can still be tested with Visual C++ 2017, but subsequent versions may no longer support this compiler.
Read originalvectorbt v1.1.2 has been released. This update fixes multiple functional defects, including the isclose helper function returning True for any finite number, NaN consistency issues in is_sorted_nb, portfolio NaN trade plotting marker handling, ignored NaN returns in cond_value_at_risk, and intraday time retention during NumPy datetime64 conversion.
Read originalQlib v0.9.8 has been released, including security hardening completed at Microsoft's request, merging changes from #2339 and #2340. This version restricts the loading of executable recorder artifacts; loading artifacts from trusted storage requires explicitly setting trusted=True, and configuration-driven local .py imports also require explicitly enabling trusted: true. Before upgrading production workflows, please review the two migration guides. Source archives are available on GitHub, and PyPI packages can be queried separately.
Read originalNautilusTrader 2.0.0rc6 was officially released on October 4, 2026 (UTC). This version introduces several features, including configurable WebSocket inbound size limits, expanded outputs for multiple technical indicators, a Parquet directory migration tool, and enhanced adapters for venues such as Architect AX, Binance, and Bybit. It also removes the adapter for the closed BitMEX exchange and adjusts certain fee configurations and serialization-related interface definitions.
Read originalgs-quant v2.1.18 was released on October 1. This is a regular release, with 2 commits accumulated on the master branch prior to publication.
Read originalAKShare v1.19.1 has been released, fixing issues with the SHFE and GFEX warehouse receipt daily report interfaces and optimizing the DCE warehouse receipt daily report anti-crawler error handling logic. Since 2025-11-18, SHFE has discontinued its original warehouse receipt daily report data files; this version adapts to the new web-based data source, supports multiple column order and merged cell formats, and applies separate parsing logic for old and new dates.
Read originalOpenBB has released the V5 major version line. The openbb meta-package is at 5.0.0, while the core, CLI, API, MCP server, router, and most providers are at 2.0.0. openbb-devtools is at 2.0.1, openbb-charting is at 4.0.0, and openbb-imf is at 3.0.0.
Key Takeaways:OpenBB V5 changes the license to Apache-2.0 and migrates to hatchling/uv packaging, a layered openbb.toml configuration, and a CLI 2.0 spec file mechanism. These changes can be used to evaluate upgrade paths and available data sources.
OpenBB has released ODP Desktop v2.0.0, corresponding to the V5 iteration. This update completes the initial refactoring of openbb-core, achieves 100% test coverage for testable code paths, and introduces a backward-compatible layered configuration system, openbb.toml.
Read originalvectorbt v1.1.1 is officially released. This version optimizes the numerical stability of rolling standard deviation for the Numba and Rust engines, corrects the calculation logic for deflated Sharpe ratio, and adjusts the alignment rules for cross-engine expanding mean/standard deviation. This version is adapted to the built-in plotting themes of Plotly 7, while the documentation site has been migrated to Zensical.
Read originalHummingbot v2.17.0 has been officially released. This update includes multiple new features and bug fixes, covering the addition of the kalshi_perpetual connector, optimization of Gateway routing and slippage mechanisms, and fixes for Hyperliquid private key verification and fee calculation issues. This version has been synced to the main branch, and the full changelog can be viewed in the commit history from v2.16.0 to v2.17.0.
Read originalAKShare v1.18.97 is officially released. This update fixes the column misalignment issue in the stock_report_fund_hold interface caused by changed field order in East Money's responses, switching to field name mapping for data extraction. A 15-second request timeout is also set for the interface to prevent process blocking when upstream services are unresponsive, with the interface documentation, changelog, and documentation update time synchronized.
Read originalfutu-api 10.11.7108 has been published on PyPI, supporting Python 2.7 and Python 3.x. It can be installed via pip install futu-api. This open-source project provides market data and trading interfaces in Python and Json/Protobuf protocols. Before running, users must start the FutuOpenD gateway client. The installation package includes sample strategy files for reference and learning.
Read originalAKShare v1.18.96 is officially released. This update fixes the timeout blocking issue in the stock_zh_a_spot interface by adding a 15-second timeout limit to all HTTP requests for the interface, preventing long-term process blocking when upstream services are unresponsive.
Read originalNautilusTrader released version 2.0.0rc5 on September 15, 2026 (UTC). This release introduces a rolling ZScore indicator, HTTP streaming reads, and Python message publishing and subscription.
Read originalBinance updated its Spot and Spot Testnet FIX API documentation on 2026-09-02, removing the top-level Symbol (55) field from the QuickFIX order entry schema and the ListStatus message in the API documentation. The API had already stopped sending this field, and the corresponding example message content has been updated accordingly.
Read originalyfinance 1.7.0 has been released, with the core update being that history_metadata now supports lazy loading of tradingPeriods. This version also fixes stock split price adjustment issues in proxy scenarios. The full changelog is available in commit #2959, and this update was contributed by amosli.
Read originalyfinance 1.6.0 has been officially released. Key updates include improved price repair functionality, a small number of new fields added to balance sheets and screeners, and fixes for several minor issues. The full changelog for this version is available in record #2935, with multiple contributors participating in its development.
Read originalHummingbot v2.16.0 has been officially released. This version adds connectors for Lambdaplex and Gemini, adds LIMIT_MAKER (post-only) order support for the bitget connector, and removes three connectors: Cube, AscendEx, and Vertex. This update also fixes functional defects in multiple exchange connectors and optimizes the performance of modules such as the K-line data stream and command-line interface.
Read originalModel Context Protocol has released the 2026-07-28 Release Candidate (RC) version. The current specification is provided as a draft, and detailed changes can be found in the corresponding draft changelog. This specification is not yet finalized and may still be adjusted between the RC and official release. Each SDK will adapt to this version at its own pace, and older versions of the specification may continue to be used for an unspecified period.
Read originalThe Model Context Protocol 2026-07-28 revision has been officially released as a stable version. The full specification is available on the official Model Context Protocol website, and detailed changes can be found in the corresponding version's changelog.
Read originalyfinance version 1.5.2 has been released, fixing an issue where yfinance failed to run properly due to curl_cffi>=0.16. This version was fixed with the assistance of contributor @dokson and released on the main branch, which has accumulated 68 commits since this version.
Read originalbacktesting.py v0.6.6 has been released, tagged by kernc on July 22 at 15:22, corresponding to commit hash 9c2b8e1, which carries a verified committer signature. This version includes only one documentation change: hiding backtesting.Pool in the API documentation generated by pdoc3.
Read originalQuantLib 1.43 is officially released, with two download packages available: QuantLib-1.43.tar.gz and QuantLib-1.43.zip.
Read originalvectorbt v1.1.0 has been officially released, adding support for Python 3.14, pandas 3, NumPy 2.4+, Numba 0.66+, and Telegram Bot API v20+. This release optimizes Rust engine packaging and consistency coverage, refreshes documentation, examples, resources, and feature previews, and fixes multiple issues related to data processing, indicator calculation, and plotting.
Read originalHummingbot v2.15.0 has been officially released. The default rate oracle source has been switched from binance to gate_io, a new Lighter connector has been added, and the functionality and stability of connectors for multiple exchanges including Hyperliquid, BingX, and Binance have been optimized. This version update includes 28 feature improvements and bug fixes, and also welcomes 3 first-time contributors.
Read originalvn.py 4.4.0 is officially released. This version adds notification functionality based on the WeChat iLink protocol, introduces the vnpy_questDB time-series database integration module, upgrades vnpy_esunny to the Esunny QD V9 API, and optimizes the vnpy.alpha data processing and backtesting workflow, while fixing multiple issues related to logging, data downloading, and algorithmic trade execution judgment.
Read originalQuantLib 1.42.1 is a bug-fix release that removes a regression in the Gsr class which could cause an infinite notification loop. This release provides two installation packages: QuantLib-1.42.1.tar.gz and QuantLib-1.42.1.zip. The related changes were committed by @lballabio in #2543, and the final version number was set by @lballabio-bot in #2545.
Read originalFinRL v0.3.8 adds a 2026 stock trading tutorial, accompanied by 3 scripts: FinRL_StockTrading_2026_1_data.py handles data downloading and preprocessing, and FinRL_StockTrading_2026_2_train.py trains A2C.
Read originalPyPortfolioOpt v1.6.0 has been officially released, adding support for Python 3.14 and pandas 3.0, while dropping support for Python 3.8 and 3.9. This version reduces dependency size; existing dependencies can be used as optional dependencies via the newly added all_extras dependency set. It also optimizes CLA calculation speed and includes multiple maintenance and documentation updates.
Read originalvn.py 4.3.0 has been officially released. The new version adds the WorldQuant Alpha 101 factor feature dataset to the vnpy.alpha module, and introduces the RGR performance metric to the vnpy_ctastrategy backtesting engine.
Read originalThe Model Context Protocol 2025-11-25 revision has been officially released. The specification is available on the official Model Context Protocol website, and detailed changes can be found in the corresponding version's changelog.
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