Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
WindowsArea: what it touches
Internal ChangesKind: in v2.1.285,
Internal ChangesSection of the release
What
Two small changes:
ALLUSERSPROFILE: this Windows environment variable (a named value the system provides to programs) joins a list of allowed variables that already had HOMEDRIVE and PROGRAMDATA.
Opus 4 limits: a built-in table setting 8192 as the token limit for Claude Opus 4 and Opus 4.1 was replaced.
Why
The first affects which Windows variables Claude Code passes along. The second affects limits applied to older Opus models.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhat the variable list governs, and where the Opus 4 limits now come from, is not stated.
Anthropic's release notes agreeWindows: Changed project and local settings env to no longer set ALLUSERSPROFILE, SystemDrive, or the CommonProgramFiles variables; set them…