OpenAI Codex app adds conversation forking and model-switching slash commands
OpenAI's Codex app received a feature update adding conversation forking from arbitrary earlier messages, slash commands for switching models and reasoning levels mid-draft, and plan-mode notifications. Bug fixes address thread handoff and subagent navigation issues in worktrees and the VS Code extension. The update reflects ongoing iteration on agentic coding UX patterns.
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OpenAI Codex app adds branch search, plan mode, and parallel approvals
OpenAI's Codex app received a minor update adding branch search in the branch picker, clearer guidance for entering plan mode, and support for parallel approvals. The release also includes unspecified performance improvements and bug fixes. These are incremental UX and workflow enhancements to OpenAI's coding agent product.
OpenAI Codex app adds GPT-5.3-Codex-Spark model and conversation forking
OpenAI's Codex app release notes announce support for a new model variant, GPT-5.3-Codex-Spark, alongside UX features including conversation forking and a floating pop-out window. Windows alpha testing is also beginning. The update signals continued iteration on a specialized coding-focused model tier within the GPT-5 family.
OpenAI Codex app adds MCP command palette and queued follow-ups
OpenAI's Codex app received a minor update adding MCP (Model Context Protocol) and personality actions to the command palette, along with a change to queue follow-up interactions by default. The update also includes unspecified performance improvements and bug fixes. The MCP integration is the most notable element, continuing the trend of MCP adoption across AI coding tools.
OpenAI Codex app update: workspace settings, Windows native support, MCP approval panels, and agent composer features
OpenAI shipped a Codex app update adding workspace settings, native Windows updater with MSIX and system tray support, and MCP custom approval panel handling. The automation composer gains app/file @mentions, subagent diff stats, and artifact cards for file citations. The release also includes a range of bug fixes covering multi-window issues, review panel behavior, and thread search performance.
OpenAI Codex app gains integrated terminal context reading
OpenAI's Codex app now reads the integrated terminal within the current thread, enabling it to inspect running development server status or failed build output during coding sessions. The update also includes unspecified performance improvements and bug fixes. This is a targeted agentic capability improvement that tightens the feedback loop between Codex and the developer's live environment.
OpenAI Codex app adds GPT-5.3-Codex model, mid-turn steering, and file attachments
OpenAI released updates to the Codex app introducing support for GPT-5.3-Codex, a new mid-turn steering capability allowing users to redirect the model while it is actively working, and support for arbitrary file attachments. Mid-turn steering is a notable agentic UX feature that enables real-time human-in-the-loop intervention during long-running tasks. The release also includes a minor UI bug fix.
OpenAI Codex app adds worktree cleanup settings and thread handoff between Local and Worktree modes
OpenAI released a Codex app update adding a configurable Worktrees setting for automatic cleanup of Codex-managed worktrees and Handoff support for moving threads between Local and Worktree execution contexts. The update also includes GitHub and pull request workflow improvements, better approval prompts, and general bug fixes. These are incremental UX and workflow improvements to the agentic coding product.
OpenAI expands Codex with in-app browser, computer use, PR workflow, and thread automations
OpenAI released a significant update to its Codex desktop app, adding an in-app browser for page-level feedback, computer use capabilities (macOS app control via vision and input), and deeper GitHub pull request integration. New workflow features include chat threads without project folders, scheduled thread automations for long-running tasks, and an artifact viewer for previewing generated PDFs, spreadsheets, and documents. Computer use is geo-restricted, excluding the EEA, UK, and Switzerland at launch.