Error.isError to stage 4, per 2025.05.28 TC39

ljharb · ljharb · commit a5d4bb99d79f · 2025-05-28T06:39:17.000-07:00
diff --git a/README.md b/README.md
@@ -32,7 +32,6 @@ Stage 2 indicates that the committee expects these features to be developed and
 | [Dynamic Code Brand Checks][dynamic-code-brand-checks]                         | Nicol&ograve; Ribaudo                                                          | Krzysztof Kotowicz<br />Mike Samuel<br />Nicol&ograve; Ribaudo                 | :question:                                                           | <sub>April&nbsp;2024</sub>                                 |
 | [Redeclarable global `eval`-introduced `var`s][redeclarable-global-eval-vars]  | Shu-yu Guo                                                              | Shu-yu Guo                                                              | <sub>[Testing plan][redeclarable-global-eval-vars-testplan]</sub>   | <sub>[April&nbsp;2024][redeclarable-global-eval-vars-notes]</sub> |
 | [`Atomics.pause`][atomics-pause]                                               | Shu-yu Guo                                                              | Shu-yu Guo                                                              | <sub>[Atomics.pause][atomics-pause-tests]</sub>                     | <sub>[October&nbsp;2024][atomics-pause-notes]</sub>        |
-| [`Error.isError`][is-error]                                                    | Jordan Harband                                                          | Jordan Harband                                                          | <sub>[Error.isError][error-iserror-tests]</sub>                     | <sub>[December&nbsp;2024][is-error-notes]</sub>            |
 | [Deferring Module Evaluation][lazy-import]                                     | Yulia Startsev<br />Guy Bedford                                         | Yulia Startsev<br />Guy Bedford<br />Nicol&ograve; Ribaudo                     | <sub>[Testing plan][lazy-import-testplan]</sub>                     | <sub>[February&nbsp;2025][lazy-import-notes]</sub>         |
 | [`Math.sumPrecise`][math-sum]                                                  | Kevin Gibbons                                                           | Kevin Gibbons                                                           | <sub>[Math.sumPrecise][math-sum-tests]</sub>                        | <sub>[October&nbsp;2024][math-sum-notes]</sub>             |
 
@@ -189,8 +188,6 @@ Note that as part of the onboarding process your repository name may be normaliz
 [math-sum-testplan]: https://github.com/tc39/test262/issues/4054
 [dynamic-code-brand-checks]: https://github.com/tc39/proposal-dynamic-code-brand-checks
 [dynamic-code-brand-checks-notes]: https://github.com/tc39/notes/blob/HEAD/meetings/2019-12/december-5.md#dynamic-code-brand-checks-for-stage-2
-[is-error]: https://github.com/tc39/proposal-is-error
-[is-error-notes]: https://github.com/tc39/notes/blob/HEAD/meetings/2024-12/december-02.md#erroriserror-to-stage-3
 [error-iserror-tests]: https://github.com/tc39/test262/pull/4266
 [sequencing]: https://github.com/tc39/proposal-iterator-sequencing
 [sequencing-notes]: https://github.com/tc39/notes/blob/HEAD/meetings/2024-10/october-08.md#iterator-sequencing-for-stage-27
diff --git a/finished-proposals.md b/finished-proposals.md
@@ -4,6 +4,7 @@ Finished proposals are proposals that have reached stage 4, and are included in
 
 | Proposal                                                                 | Author                                                 | Champion(s)                                             | TC39 meeting notes                          | Expected Publication Year |
 | ------------------------------------------------------------------------ | ------------------------------------------------------ | ------------------------------------------------------- | ------------------------------------------- | ------------------------- |
+| [`Error.isError`][is-error]                                              | Jordan Harband                                                                                                   | May&nbsp;2025                               | 2026                      |
 | [`RegExp.escape`][escape]                                                | Domenic Denicola<br />Benjamin Gruenbaum<br />Jordan Harband | Jordan Harband<br />Kevin Gibbons                 | [February 2025][escape-notes]               | 2025                      |
 | [Float16 on TypedArrays, DataView, `Math.f16round`][float16s]            | Leo Balter                                             | Leo Balter<br />Kevin Gibbons                           | [February 2025][float16s-notes]             | 2025                      |
 | [`Promise.try`][try]                                                     | Jordan Harband                                         | Jordan Harband                                          | [October 2024][try-notes]                   | 2025                      |
@@ -210,3 +211,5 @@ See also the [active proposals](README.md), [stage 1 proposals](stage-1-proposal
 [float16s-notes]: https://github.com/tc39/notes/blob/HEAD/meetings/2025-02/february-18.md#float16array-for-stage-4
 [escape]: https://github.com/tc39/proposal-regex-escaping
 [escape-notes]: https://github.com/tc39/notes/blob/HEAD/meetings/2025-02/february-18.md#regexp-escaping-for-stage-4
+[is-error]: https://github.com/tc39/proposal-is-error
+[is-error-notes]: https://github.com/tc39/notes/blob/HEAD/meetings/2024-12/december-02.md#erroriserror-to-stage-3
