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[Proposal]: ref struct closures for lambdas

Proposal champion

Status: Open.

#10209 In dotnet/csharplang;

· agocke opened on May 30, 2026

[Proposal]: Ref and ref-like parameters of async methods

Proposal champion

Status: Open.

#10187 In dotnet/csharplang;

· jnm2 opened on May 18, 2026

[Proposal]: Mixed object and collection initializers

Proposal champion

Status: Open.

#10185 In dotnet/csharplang;

· CyrusNajmabadi opened on May 18, 2026

[Proposal question]: Should collection expressions use implicit conversions to ReadOnlySpan for Create methods with a single spread element?

Proposal QuestionQuestion to be discussed in LDM related to a proposalQuestion to be discussed in LDM related to a proposal

Status: Open.

#10178 In dotnet/csharplang;

· RikkiGibson opened on May 14, 2026

[Proposal]: Extension members on typeless receivers

Proposal champion

Status: Open.

#10146 In dotnet/csharplang;

· CyrusNajmabadi opened on Apr 27, 2026

[Proposal]: Final initializers

Proposal champion

Status: Open.

#10033 In dotnet/csharplang;

· jnm2 opened on Mar 9, 2026

[Proposal]: Non-boxing default-interface methods

Proposal champion

Status: Open.

#9969 In dotnet/csharplang;

· agocke opened on Jan 30, 2026

[Proposal]: Allow arrays as CollectionBuilder Create parameter type

Proposal champion

Status: Open.

#9923 In dotnet/csharplang;

· jnm2 opened on Jan 7, 2026

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Backlog

[Proposal]: Extra accessor in property override

Proposal champion

Status: Open.

#9921 In dotnet/csharplang;

· jnm2 opened on Jan 7, 2026

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Working Set

[Proposal]: Compound assignment in object initializer and with expression

Proposal champion

Status: Open.

#9896 In dotnet/csharplang;

· jnm2 opened on Dec 19, 2025

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Working Set

[Proposal]: Labeled break and continue Statements

Proposal champion

Status: Open.

#9875 In dotnet/csharplang;

· CyrusNajmabadi opened on Dec 14, 2025

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Any Time

[Proposal]: extension indexers

Proposal champion

Status: Open.

#9856 In dotnet/csharplang;

· jcouv opened on Dec 1, 2025

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Working Set