115ea7633e
The msh3 backed for QUIC and HTTP/3 was introduced in April 2022 but has never been made to work properly. It has seen no visible traction or developer activity from the msh3 main author (or anyone else seemingly interested) in two years. As a non-functional backend, it only adds friction and "weight" to the development and maintenance. Meanwhile, we have a fully working backend in the ngtcp2 one and we have two fully working backends in OpenSSL-QUIC and quiche well on their way of ending their experimental status in a future. We remove msh3 support from the curl source tree in July 2025. Closes #15931
53 lines
1.6 KiB
Markdown
53 lines
1.6 KiB
Markdown
<!--
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Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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-->
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# Items to be removed from future curl releases
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If any of these deprecated features is a cause for concern for you, please
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email the
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[curl-library mailing list](https://lists.haxx.se/listinfo/curl-library)
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as soon as possible and explain to us why this is a problem for you and
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how your use case cannot be satisfied properly using a workaround.
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## TLS libraries without 1.3 support
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curl drops support for TLS libraries without TLS 1.3 capability after May
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2025.
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It requires that a curl build using the library should be able to negotiate
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and use TLS 1.3, or else it is not good enough.
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As of May 2024, the libraries that need to get fixed to remain supported after
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May 2025 are: BearSSL and Secure Transport.
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## msh3 support
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The msh3 backed for QUIC and HTTP/3 was introduced in April 2022 but has never
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been made to work properly. It has seen no visible traction or developer
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activity from the msh3 main author (or anyone else seemingly interested) in
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two years. As a non-functional backend, it only adds friction and "weight" to
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the development and maintenance.
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Meanwhile, we have a fully working backend in the ngtcp2 one and we have two
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fully working backends in OpenSSL-QUIC and quiche well on their way of ending
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their experimental status in a future.
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We remove msh3 support from the curl source tree in July 2025.
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## Past removals
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- Pipelining
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- axTLS
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- PolarSSL
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- NPN
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- Support for systems without 64-bit data types
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- NSS
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- gskit
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- MinGW v1
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- NTLM_WB
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- space-separated `NOPROXY` patterns
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- hyper
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