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OpenAug 12, 2026
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•Last updated These proposals will be or are being designed by the Language Design Team during the current design timeframe. Not all the proposals in this bucket will actually make it into the language for the next version of C#, but they will get some design time from the team.
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- Status: Open.#1502 In dotnet/csharplang;
[Proposal]: method attribute target for records for targeting primary constructor
Implemented Needs ECMA SpecThis feature has been implemented in C#, but still needs to be merged into the ECMA specificationThis feature has been implemented in C#, but still needs to be merged into the ECMA specificationStatus: Open.#7047 In dotnet/csharplang;- Status: Open.#8610 In dotnet/csharplang;
- Status: Open.#8611 In dotnet/csharplang;
- Status: Open.#8613 In dotnet/csharplang;
- Status: Open.#8622 In dotnet/csharplang;
- Status: Open.#8659 In dotnet/csharplang;
- Status: Open.#8865 In dotnet/csharplang;
[Proposal]: Type Classes (aka Concepts, Structural Generic Constraints)
Long leadProposals that need significant design work.Proposals that need significant design work.Status: Open.#8879 In dotnet/csharplang;- Status: Open.#8928 In dotnet/csharplang;
- Status: Open.#9001 In dotnet/csharplang;
- Status: Open.#9009 In dotnet/csharplang;
- Status: Open.#9011 In dotnet/csharplang;
- Status: Open.#8848 In dotnet/csharplang;
- Status: Open.#9031 In dotnet/csharplang;
- Status: Open.#9119 In dotnet/csharplang;
- Status: Open.#9123 In dotnet/csharplang;
- Status: Open.#9243 In dotnet/csharplang;
- Status: Open.#9046 In dotnet/csharplang;
- Status: Open.#9500 In dotnet/csharplang;
- Status: Open.#9453 In dotnet/csharplang;
- Status: Open.#9138 In dotnet/csharplang;
- Status: Open.#9565 In dotnet/csharplang;
- Status: Open.#9626 In dotnet/csharplang;
- Status: Open.#9627 In dotnet/csharplang;