# Anthropic Python SDK v0.125.0 - Product: Anthropic Python SDK (https://whatsnew.fyi/product/anthropic-sdk-python) - Vendor: Anthropic - Date: 2026-08-19 - Version: v0.125.0 - Original notes: https://github.com/anthropics/anthropic-sdk-python/releases/tag/v0.125.0 - Permalink: https://whatsnew.fyi/product/anthropic-sdk-python/releases/v0.125.0 What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **added** — Support for managed agents web search config and self-hosted sandbox memory ##### 0.125.0 (2026-08-19) Full Changelog: [v0.124.0...v0.125.0](https://github.com/anthropics/anthropic-sdk-python/compare/v0.124.0...v0.125.0) ###### Features * **api:** managed agents web search config and self hosted sandbox memory ([b75afd6](https://github.com/anthropics/anthropic-sdk-python/commit/b75afd6ffa210ff2e98bc5e90d6f1f3367038f0b))