diff --git a/site/src/content/changelog/sdk/python-v1.61.1.md b/site/src/content/changelog/sdk/python-v1.61.1.md
new file mode 100644
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+++ b/site/src/content/changelog/sdk/python-v1.61.1.md
@@ -0,0 +1,17 @@
+---
+sdk: sdk
+language: python
+version: "1.61.1"
+tag: python/v1.61.1
+date: 2026-10-15
+releaseUrl: https://github.com/strands-agents/harness-sdk/releases/tag/python/v1.61.1
+packageUrl: https://pypi.org/project/strands-agents/1.61.1/
+entries:
+  - { type: docs, breaking: false, scope: site, areas: [], title: "redraw docs diagrams as theme-aware SVGs", pr: 5135, prUrl: "https://github.com/strands-agents/harness-sdk/pull/5135", commit: "43ccafa", commitUrl: "https://github.com/strands-agents/harness-sdk/commit/43ccafa", author: mkmeral }
+  - { type: fix, breaking: false, scope: null, areas: [model], title: "text content block is silently dropped when a toolUse is pending in the same content block stop (#4004)", pr: 4067, prUrl: "https://github.com/strands-agents/harness-sdk/pull/4067", commit: "c99665b", commitUrl: "https://github.com/strands-agents/harness-sdk/commit/c99665b", author: AnnasMazhar }
+  - { type: fix, breaking: false, scope: python, areas: [context, model], title: "preserve tool result adjacency with injected context", pr: 5158, prUrl: "https://github.com/strands-agents/harness-sdk/pull/5158", commit: "fde126c", commitUrl: "https://github.com/strands-agents/harness-sdk/commit/fde126c", author: mkmeral }
+  - { type: fix, breaking: false, scope: harness, areas: [model], title: "send adaptive thinking to Claude Haiku 5.5", pr: 5159, prUrl: "https://github.com/strands-agents/harness-sdk/pull/5159", commit: "83a4b0c", commitUrl: "https://github.com/strands-agents/harness-sdk/commit/83a4b0c", author: strandly-the-agent }
+  - { type: fix, breaking: false, scope: context, areas: [context], title: "keep removal markers and summaries out of message 0", pr: 5121, prUrl: "https://github.com/strands-agents/harness-sdk/pull/5121", commit: "47fb500", commitUrl: "https://github.com/strands-agents/harness-sdk/commit/47fb500", author: lizradway }
+  - { type: fix, breaking: false, scope: subagent, areas: [multiagent, interventions], title: "surface the child's stop reason instead of masking blocked runs as success", pr: 5165, prUrl: "https://github.com/strands-agents/harness-sdk/pull/5165", commit: "ab88efd", commitUrl: "https://github.com/strands-agents/harness-sdk/commit/ab88efd", author: strandly-the-agent }
+  - { type: fix, breaking: false, scope: bedrock, areas: [context, model], title: "drop reasoning blocks the target model rejects when history crosses model families", pr: 5166, prUrl: "https://github.com/strands-agents/harness-sdk/pull/5166", commit: "5cb8805", commitUrl: "https://github.com/strands-agents/harness-sdk/commit/5cb8805", author: strandly-the-agent }
+---