DISABLE_BUG_COMMANDA Claude Code environment variable, read out of the shipped bundle.
It has been in the build since v2.1.138, including the newest one read.
Temporary probes that checked whether old code paths still ran have been deleted; behaviour is unchanged.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.221 .
First seen v2.1.138 9 May 2026
Last seen v2.1.308 22 Oct 2026
Builds 149 / 149 on this box, as of v2.1.308
Written about v2.1.91 first named in a changelog, 2 Apr 2026
v2.1.138 v2.1.308
In the changelogs
5
Releases whose published page names DISABLE_BUG_COMMAND.
v2.1.251 28 Aug 2026
v2.1.224 7 Aug 2026
v2.1.223 5 Aug 2026
v2.1.221 3 Aug 2026
v2.1.91 2 Apr 2026
First cited
0
No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.
Presence across releases
1
Builds How many Dates Reading
v2.1.138 – v2.1.308 149 builds 9 May 2026 → 22 Oct 2026 ◆ in the build
Build by build
149
One row per release since the first build this name was read out of. Absent means the build was read and the name was not in it, never mined means no bundle for that release was ever archived, and a declared type or a default is only ever what that release's own bundle stated.
Build Date State The record behind it
v2.1.138 9 May 2026 · presentverdict: present v2.1.139 11 May 2026 · presentverdict: present v2.1.140 12 May 2026 · presentverdict: present v2.1.163 4 Jun 2026 · presentverdict: present · bool v2.1.165 5 Jun 2026 · presentverdict: present · bool v2.1.166 5 Jun 2026 · presentverdict: present · bool v2.1.167 6 Jun 2026 · presentverdict: present · bool v2.1.168 6 Jun 2026 · presentverdict: present · bool v2.1.169 8 Jun 2026 · presentverdict: present · bool v2.1.170 9 Jun 2026 · presentverdict: present · bool v2.1.172 10 Jun 2026 · presentverdict: present · bool v2.1.173 11 Jun 2026 · presentverdict: present · bool v2.1.174 11 Jun 2026 · presentverdict: present · bool v2.1.175 12 Jun 2026 · presentverdict: present · bool v2.1.176 12 Jun 2026 · presentverdict: present · bool v2.1.177 13 Jun 2026 · presentverdict: present · bool v2.1.178 15 Jun 2026 · presentverdict: present · bool v2.1.179 16 Jun 2026 · presentverdict: present · bool v2.1.181 17 Jun 2026 · presentverdict: present · bool v2.1.182 18 Jun 2026 · presentverdict: present · bool v2.1.183 19 Jun 2026 · presentverdict: present · bool v2.1.185 20 Jun 2026 · presentverdict: present · bool v2.1.186 22 Jun 2026 · presentverdict: present · bool v2.1.187 23 Jun 2026 · presentverdict: present · bool v2.1.190 24 Jun 2026 · presentverdict: present · bool v2.1.191 24 Jun 2026 · presentverdict: present · bool v2.1.193 25 Jun 2026 · presentverdict: present · bool v2.1.195 26 Jun 2026 · presentverdict: present · bool v2.1.196 29 Jun 2026 · presentverdict: present · bool v2.1.197 30 Jun 2026 · presentverdict: present · bool v2.1.198 1 Jul 2026 · presentverdict: present · bool v2.1.199 2 Jul 2026 · presentverdict: present · bool v2.1.200 3 Jul 2026 · presentverdict: present · bool v2.1.201 3 Jul 2026 · presentverdict: present · bool v2.1.202 6 Jul 2026 · presentverdict: present · bool v2.1.203 7 Jul 2026 · presentverdict: present · bool v2.1.204 8 Jul 2026 · presentverdict: present · bool v2.1.205 8 Jul 2026 · presentverdict: present · bool v2.1.206 9 Jul 2026 · presentverdict: present · bool v2.1.207 10 Jul 2026 · presentverdict: present · bool v2.1.208 13 Jul 2026 · presentverdict: present · bool v2.1.209 14 Jul 2026 · presentverdict: present · bool v2.1.210 14 Jul 2026 · presentverdict: present · bool v2.1.211 15 Jul 2026 · presentverdict: present · bool v2.1.212 16 Jul 2026 · presentverdict: present · bool v2.1.213 17 Jul 2026 · presentverdict: present · bool v2.1.214 18 Jul 2026 · presentverdict: present · bool v2.1.215 19 Jul 2026 · presentverdict: present · bool v2.1.216 20 Jul 2026 · presentverdict: present · bool v2.1.217 21 Jul 2026 · presentverdict: present · bool v2.1.218 22 Jul 2026 · presentverdict: present · bool v2.1.219 24 Jul 2026 · presentverdict: present · bool v2.1.220 24 Jul 2026 · presentverdict: present · bool v2.1.221 3 Aug 2026 · presentverdict: present · bool v2.1.222 4 Aug 2026 · presentverdict: present · bool v2.1.223 5 Aug 2026 · presentverdict: present · bool v2.1.224 7 Aug 2026 · presentverdict: present · bool v2.1.225 7 Aug 2026 · presentverdict: present · bool v2.1.226 8 Aug 2026 · presentverdict: present · bool v2.1.227 10 Aug 2026 · presentverdict: present · bool v2.1.228 11 Aug 2026 · presentverdict: present · bool v2.1.229 12 Aug 2026 · presentverdict: present · bool v2.1.231 13 Aug 2026 · presentverdict: present · bool v2.1.232 13 Aug 2026 · presentverdict: present · bool v2.1.233 14 Aug 2026 · presentverdict: present · bool v2.1.234 17 Aug 2026 · presentverdict: present · bool v2.1.235 18 Aug 2026 · presentverdict: present · bool v2.1.236 19 Aug 2026 · presentverdict: present · bool v2.1.237 19 Aug 2026 · presentverdict: present · bool v2.1.238 20 Aug 2026 · presentverdict: present · bool v2.1.239 21 Aug 2026 · presentverdict: present · bool v2.1.240 22 Aug 2026 · presentverdict: present · bool v2.1.241 22 Aug 2026 · presentverdict: present · bool v2.1.242 24 Aug 2026 · presentverdict: present · bool v2.1.243 24 Aug 2026 · presentverdict: present · bool v2.1.245 25 Aug 2026 · presentverdict: present · bool v2.1.246 25 Aug 2026 · presentverdict: present · bool v2.1.247 26 Aug 2026 · presentverdict: present · bool v2.1.248 27 Aug 2026 · presentverdict: present · bool v2.1.250 27 Aug 2026 · presentverdict: present · bool v2.1.251 28 Aug 2026 · presentverdict: present · bool v2.1.252 31 Aug 2026 · presentverdict: present · bool v2.1.257 1 Sep 2026 · presentverdict: present · bool v2.1.258 1 Sep 2026 · presentverdict: present · bool v2.1.259 2 Sep 2026 · presentverdict: present · bool v2.1.260 3 Sep 2026 · presentverdict: present · bool v2.1.261 4 Sep 2026 · presentverdict: present · bool v2.1.263 6 Sep 2026 · presentverdict: present · bool v2.1.265 8 Sep 2026 · presentverdict: present · bool v2.1.266 8 Sep 2026 · presentverdict: present · bool v2.1.267 9 Sep 2026 · presentverdict: present · bool v2.1.268 10 Sep 2026 · presentverdict: present · bool v2.1.269 11 Sep 2026 · presentverdict: present · bool v2.1.270 12 Sep 2026 · presentverdict: present · bool v2.1.271 14 Sep 2026 · presentverdict: present · bool v2.1.272 14 Sep 2026 · presentverdict: present · bool v2.1.273 15 Sep 2026 · presentverdict: present · bool v2.1.274 16 Sep 2026 · presentverdict: present · bool v2.1.275 17 Sep 2026 · presentverdict: present · bool v2.1.276 18 Sep 2026 · presentverdict: present · bool v2.1.277 18 Sep 2026 · presentverdict: present · bool v2.1.278 19 Sep 2026 · presentverdict: present · bool v2.1.280 22 Sep 2026 · presentverdict: present · bool v2.1.281 23 Sep 2026 · presentverdict: present · bool v2.1.282 24 Sep 2026 · presentverdict: present · bool v2.1.283 25 Sep 2026 · presentverdict: present · bool v2.1.284 28 Sep 2026 · presentverdict: present · bool v2.1.285 29 Sep 2026 · presentverdict: present · bool v2.1.286 30 Sep 2026 · presentverdict: present · bool v2.1.287 1 Oct 2026 · presentverdict: present · bool v2.1.288 2 Oct 2026 · presentverdict: present · bool v2.1.289 3 Oct 2026 · presentverdict: present · bool v2.1.290 5 Oct 2026 · presentverdict: present · bool v2.1.291 6 Oct 2026 · presentverdict: present · bool v2.1.292 6 Oct 2026 · presentverdict: present · bool v2.1.293 7 Oct 2026 · presentverdict: present · bool v2.1.294 8 Oct 2026 · presentverdict: present · bool v2.1.295 8 Oct 2026 · presentverdict: present · bool v2.1.296 9 Oct 2026 · presentverdict: present · bool v2.1.299 14 Oct 2026 · presentverdict: present · bool v2.1.300 14 Oct 2026 · presentverdict: present · bool v2.1.301 15 Oct 2026 · presentverdict: present · bool v2.1.302 16 Oct 2026 · presentverdict: present · bool v2.1.303 18 Oct 2026 · presentverdict: present · bool v2.1.304 19 Oct 2026 · presentverdict: present · bool v2.1.305 20 Oct 2026 · presentverdict: present · bool v2.1.306 21 Oct 2026 · presentverdict: present · bool v2.1.307 21 Oct 2026 · presentverdict: present · bool v2.1.308 22 Oct 2026 · presentverdict: present · bool
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 .
