Highly recommended. It's not obvious, but a bottleneck in even the most powerful models, like GPT-6 Astra, is context bloat and compaction. This new config can help keep Astra persistent across long-running tasks.
If it helps, here is a little visual summary courtesy of GPT-6 Astra.
"With Astra, we’re introducing a new way for Codex to preserve and retrieve context when the context window fills ... In Codex, Astra can keep notes across cont...