RepoJournal

$ cat openai/month/2026-09-01.log

OpenAI

OpenAI

the month in review · September 2026

Agents API lands in both OpenAI SDKs

By RepoJournal · composed from the cited sources · human-reviewed weekly · methodology

♥

September also brought GPT Image 2.5, GPT-6 Sol and Luna model IDs, and Codex 0.157.0 to the SDKs.

1639 commits 1688 PRs merged 176 releases 30 briefings covered

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v7.15.0 openai/openai-node

by openai-sdks[bot]

The Agents API shipped in both clients this period, and openai-node gained it in 7.15.0. Treat it as the period's headline: agent orchestration is now a first-class surface in the SDKs rather than something you assemble from Responses calls.

$ ls openai/month/ # the briefings behind this review

Tue Sep 1 Guardian REPL policy now sources from model metadata Wed Sep 2 openai-python and openai-node release 3.7.0 and 7.9.0 with usage API updates Thu Sep 3 Windows sandbox provisioning goes live, SDKs gain canonical security models Fri Sep 4 macOS Codex sandbox hardened against terminal input injection Sat Sep 5 OpenAI ships retry fix, prompt cache diagnostics, sandbox security Sun Sep 6 Codex voice-host ships real-time microphone audio; openai-node fixes streaming hangs Mon Sep 7 Codex TUI and openai-node fix stale state and timers Tue Sep 8 Realtime credentials isolated in openai-node Wed Sep 9 GPT Image 2.5 lands across Python and Node SDKs Thu Sep 10 Codex 0.154.0 adds GPT-6-Astra and experimental worktrees, Python SDK stops crashing on null output Fri Sep 11 Agents API lands in both OpenAI SDKs, Python streaming errors normalized Sat Sep 12 codex retires thread/rollback and adds plugin and access-program controls to the app-server API Sun Sep 13 Codex raises recap context ceiling and ships OpenSSL 3.6.4 for musl Mon Sep 14 Codex reworks its TUI: scrollback, paste search, and session launching Tue Sep 15 Guardian reviewer startup moves into the pool, thread resume keeps collaboration mode Wed Sep 16 Codex carries MCP App UI through history, openai-node fixes shared callback credentials Thu Sep 17 Codex enforces managed residency, openai-node fixes streaming and abort paths Fri Sep 18 openai-node and openai-python ship managed Responses WebSocket sessions Sat Sep 19 Codex grows a backend-independent agent control contract as the SDKs land vault credentials and deprecate MCP connector_id Sun Sep 20 Codex consolidates PTY spawning, openai-node restores options-only GET calls Mon Sep 21 Codex subagents can ask for input, and the transcript moves to config Tue Sep 22 openai-python's required call_id change lands, then gets reverted Wed Sep 23 Codex hardens WebSocket auth and network policy as SDKs add GCP storage Thu Sep 24 openai-node 7.23.0 adds Cyber access programs and a GPT-Rosalind model Fri Sep 25 Codex 0.157.0 ships GPT-6 Sol and Luna, prebuilt V8 for Bazel Sat Sep 26 Codex stops prompting for runtime-only grants, keeps its screen during editor handoff Sun Sep 27 Codex keeps WebSocket turns alive on steer, fixes Windows CLI launch Mon Sep 28 Base URL query bugs fixed across Node and Python realtime clients Tue Sep 29 Live and Realtime queues stop replaying uncertain sends Wed Sep 30 Computer use lands in both SDKs, WebSocket lane IDs stay reserved

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