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Sweep 28 Aug 2026 · 16:06Z Build v2.1.251 479 read Stable v2.1.236 Latest v2.1.251 Next v2.1.251 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

Reference / Environment variables

INK_SCREEN_READER

A Claude Code environment variable, read out of the shipped bundle. It has been in the build since v2.1.181, including the newest one read.

What it is

Screen-reader mode repaints less, so assistive tech hears less redundant output.

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.222.

Presence across releases

ReleasesReadingDeclared typeDefault
2.1.245 – 2.1.251 6 releases never mined — —
2.1.210 – 2.1.243 33 releases in the build bool —
2.1.181 – 2.1.209 24 releases in the build — —

A row reading never mined is a release with no archived bundle behind it. Nothing was read out of it, so nothing here says whether the name was in it. A declared type or a default is only ever what that release's own bundle stated.

Changelog entries naming it

  1. v2.1.222Screen-reader rendering erases trailing characters in place

    Screen-reader mode repaints less, so assistive tech hears less redundant output.

    named in this entry

Documentation pages

None of Anthropic's documentation pages this site has a copy of carries this name.

Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the environment variable does. All environment variables.