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Sweep 28 Sep 2026 · 18:16Z Build v2.1.284 505 read Stable v2.1.277 Latest v2.1.284 Next v2.1.284 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.284 ·

Sandbox no longer warns when its Java proxy helper is missing

Claude Code checks fewer places for its Java proxy helper and no longer logs a warning when it is missing

You'll notice Improvements
JSON All of v2.1.284
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
SandboxArea: what it touches
ImprovementsKind: in v2.1.284,
ImprovementsSection of the release
What

In the sandbox, Claude Code uses a helper to point Java programs at its network proxy. It now looks for that helper in only three places next to its own files, and if it is not there it carries on without logging a warning. The other places it used to check are gone.

Why

Debug logs are quieter, but in some installs Java programs in the sandbox may not be routed through the proxy, and nothing will say so.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not confirmed that the helper still logs anything at all in this build.

See this entry in the whole of v2.1.284 →

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