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Author: Team

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Merged (completed).

microsoft/TypeScriptnumber 61492

#61492 In microsoft/TypeScript;

· by gabritto was closed on Apr 15, 2025

<code>// @ts-mutate</code> decorator/directive

Awaiting More FeedbackThis means we'd like to hear from more people who would be helped by this featureThis means we'd like to hear from more people who would be helped by this feature

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#61179 In microsoft/TypeScript;

· exoRift opened on Feb 14, 2025

Error on SEF expression statements

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Closed (abandoned).

microsoft/TypeScriptnumber 60936

#60936 In microsoft/TypeScript;

· by RyanCavanaugh was closed on Jan 10, 2025

Ignore skipLibCheck (experiment)

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Closed (abandoned).

microsoft/TypeScriptnumber 60427

#60427 In microsoft/TypeScript;

· by RyanCavanaugh was closed on Jan 31, 2025

Add special inference rule for 'T | PromiseLike&lt;T&gt;'

Author: Team

For Milestone BugPRs that fix a bug with a specific milestonePRs that fix a bug with a specific milestone

Status: Draft (not ready).

microsoft/TypeScriptnumber 60334

#60334 In microsoft/TypeScript;

· rbuckton opened on Oct 24, 2024

Use lookup tables for common functions on node kinds.

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Draft (not ready).

microsoft/TypeScriptnumber 59954

#59954 In microsoft/TypeScript;

· DanielRosenwasser opened on Sep 13, 2024

5.6 regression: Array.prototype.reduce type inference regression

Not a DefectThis behavior is one of several equally-correct optionsThis behavior is one of several equally-correct options

Status: Not planned (skipped).

#59763 In microsoft/TypeScript;

· by trevorade was closed on Aug 30, 2024

Make typed arrays generic over <code>ArrayBufferLike</code>

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 59417

#59417 In microsoft/TypeScript;

· by rbuckton was closed on Sep 24, 2024

Fixed regression in reverse mapped type inference caused by cache leak

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Merged (completed).

microsoft/TypeScriptnumber 59232

#59232 In microsoft/TypeScript;

· by Andarist was closed on Jul 12, 2024

 ·  

TypeScript 5.5.4

Synthesized optional properties don't satisfy <code>Record&lt;</code> target under EOPT: false

Experimentation NeededSomeone needs to try this out to see what happensSomeone needs to try this out to see what happens

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#59180 In microsoft/TypeScript;

· todor-a opened on Jul 8, 2024

 ·  

Backlog

Optimize <code>scan</code> with a lookup table to reduce branching

Author: Team

For Uncommitted BugPR for untriaged, rejected, closed or missing bugPR for untriaged, rejected, closed or missing bug

Status: Open (in progress).

microsoft/TypeScriptnumber 59106

#59106 In microsoft/TypeScript;

· DanielRosenwasser opened on Jul 2, 2024

[ServerErrors][TypeScript] 5.6.0-dev.20240616

Status: Closed (completed).

#58882 In microsoft/TypeScript;

· by typescript-bot was closed on Jun 17, 2024