Dev Report: OpenAI Windows Client Unusable with Multiple Windows
karmay007 · x · 2026-09-01
A developer reports that the OpenAI Codex Windows client becomes practically unusable when multiple top-level windows are open. Symptoms include unresponsive menus, broken project switching, button lag, and severe CPU/RAM spikes, costing days of debugging time. The issue is specifically triggered by opening additional top-level windows, prompting a call for the OpenAI Windows team to investigate.
Related event: OpenAI Codex Windows Client Hit by Severe Memory Leak in Multi-Window Use(2 posts)→
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