README.md(s): update MSRV info

tarcieri · tarcieri · commit 872bd08d7e2d · 2025-11-06T14:00:31.000-07:00
- Update all MSRV badges to be 1.85
- Adds the new MSRV policy
diff --git a/cmpv2/README.md b/cmpv2/README.md
@@ -11,12 +11,12 @@ Pure Rust implementation of the Certificate Management Protocol (CMP) as describ
 
 [Documentation][docs-link]
 
-## Minimum Supported Rust Version
+## Minimum Supported Rust Version (MSRV) Policy
 
-This crate requires **Rust 1.75** at a minimum.
+MSRV increases are not considered breaking changes and can happen in patch releases.
 
-We may change the MSRV in the future, but it will be accompanied by a minor
-version bump.
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
 
 ## License
 
@@ -42,7 +42,7 @@ dual licensed as above, without any additional terms or conditions.
 [build-image]: https://github.com/RustCrypto/formats/actions/workflows/cmpv2.yml/badge.svg
 [build-link]: https://github.com/RustCrypto/formats/actions/workflows/cmpv2.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.75+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
 
diff --git a/cms/README.md b/cms/README.md
@@ -25,12 +25,12 @@ Mail (PEM) standard.
 It's used in many cryptographic standards, such as S/MIME, PKCS#12 and the
 RFC 3161 digital timestamping protocol.
 
-## Minimum Supported Rust Version
+## Minimum Supported Rust Version (MSRV) Policy
 
-This crate requires **Rust 1.75** at a minimum.
+MSRV increases are not considered breaking changes and can happen in patch releases.
 
-We may change the MSRV in the future, but it will be accompanied by a minor
-version bump.
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
 
 ## License
 
@@ -56,7 +56,7 @@ dual licensed as above, without any additional terms or conditions.
 [build-image]: https://github.com/RustCrypto/formats/actions/workflows/cms.yml/badge.svg
 [build-link]: https://github.com/RustCrypto/formats/actions/workflows/cms.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.75+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
 
diff --git a/const-oid/README.md b/const-oid/README.md
@@ -55,6 +55,13 @@ obtain the BER/DER serialization of an OID, even one declared `const`.
 Additionally, it impls `FromStr` and `TryFrom<&[u8]>` and functions just as
 well as a runtime OID library.
 
+## Minimum Supported Rust Version (MSRV) Policy
+
+MSRV increases are not considered breaking changes and can happen in patch releases.
+
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
+
 ## License
 
 Licensed under either of:
diff --git a/crmf/README.md b/crmf/README.md
@@ -11,12 +11,12 @@ Pure Rust implementation of the Certificate Request Message Format (CRMF) as des
 
 [Documentation][docs-link]
 
-## Minimum Supported Rust Version
+## Minimum Supported Rust Version (MSRV) Policy
 
-This crate requires **Rust 1.75** at a minimum.
+MSRV increases are not considered breaking changes and can happen in patch releases.
 
-We may change the MSRV in the future, but it will be accompanied by a minor
-version bump.
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
 
 ## License
 
@@ -42,7 +42,7 @@ dual licensed as above, without any additional terms or conditions.
 [build-image]: https://github.com/RustCrypto/formats/actions/workflows/crmf.yml/badge.svg
 [build-link]: https://github.com/RustCrypto/formats/actions/workflows/crmf.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.75+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
 
diff --git a/der/README.md b/der/README.md
@@ -47,6 +47,13 @@ encountered. There is currently no way to disable these checks.
   - `pem-rfc7468`: PKCS/PKIX-flavored PEM library with constant-time decoder/encoders
   - `time` crate: date/time library
 
+## Minimum Supported Rust Version (MSRV) Policy
+
+MSRV increases are not considered breaking changes and can happen in patch releases.
+
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
+
 ## License
 
 Licensed under either of:
diff --git a/der_derive/README.md b/der_derive/README.md
@@ -13,12 +13,12 @@ Custom derive support for the `der` crate's `Choice` and `Sequence` traits:
 
 [Documentation][docs-link]
 
-## Minimum Supported Rust Version
+## Minimum Supported Rust Version (MSRV) Policy
 
-This crate requires **Rust 1.71** at a minimum.
+MSRV increases are not considered breaking changes and can happen in patch releases.
 
-We may change the MSRV in the future, but it will be accompanied by a minor
-version bump.
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
 
 ## License
 
@@ -44,7 +44,7 @@ dual licensed as above, without any additional terms or conditions.
 [build-image]: https://github.com/RustCrypto/formats/actions/workflows/der.yml/badge.svg
 [build-link]: https://github.com/RustCrypto/formats/actions/workflows/der.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.71+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
 
diff --git a/gss-api/README.md b/gss-api/README.md
@@ -44,12 +44,12 @@ Typical protections guaranteed by GSS-API wrapping include confidentiality
 (secrecy) and integrity (authenticity). GSS-API can also provide local
 guarantees about the identity of the remote user or remote host.
 
-## Minimum Supported Rust Version
+## Minimum Supported Rust Version (MSRV) Policy
 
-This crate requires **Rust 1.75** at a minimum.
+MSRV increases are not considered breaking changes and can happen in patch releases.
 
-We may change the MSRV in the future, but it will be accompanied by a minor
-version bump.
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
 
 ## License
 
@@ -73,7 +73,7 @@ dual licensed as above, without any additional terms or conditions.
 [docs-image]: https://docs.rs/gss-api/badge.svg
 [docs-link]: https://docs.rs/gss-api/
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.75+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
 [build-image]: https://github.com/RustCrypto/formats/actions/workflows/gss-api.yml/badge.svg
diff --git a/mcf/README.md b/mcf/README.md
@@ -63,12 +63,12 @@ dual licensed as above, without any additional terms or conditions.
 [crate-link]: https://crates.io/crates/mcf
 [docs-image]: https://docs.rs/mcf/badge.svg
 [docs-link]: https://docs.rs/mcf/
+[build-image]: https://github.com/RustCrypto/formats/actions/workflows/mcf.yml/badge.svg
+[build-link]: https://github.com/RustCrypto/formats/actions/workflows/mcf.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
 [rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
-[build-image]: https://github.com/RustCrypto/formats/actions/workflows/mcf.yml/badge.svg
-[build-link]: https://github.com/RustCrypto/formats/actions/workflows/mcf.yml
 
 [//]: # (links)
 
diff --git a/pem-rfc7468/README.md b/pem-rfc7468/README.md
@@ -56,6 +56,13 @@ The paper [Util::Lookup: Exploiting key decoding in cryptographic libraries][Uti
 demonstrates how the leakage from non-constant-time PEM parsers can be used
 to practically extract RSA private keys from SGX enclaves.
 
+## Minimum Supported Rust Version (MSRV) Policy
+
+MSRV increases are not considered breaking changes and can happen in patch releases.
+
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
+
 ## License
 
 Licensed under either of:
diff --git a/pkcs1/README.md b/pkcs1/README.md
@@ -29,6 +29,13 @@ PEM encoded RSA public keys begin with:
 -----BEGIN RSA PUBLIC KEY-----
 ```
 
+## Minimum Supported Rust Version (MSRV) Policy
+
+MSRV increases are not considered breaking changes and can happen in patch releases.
+
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
+
 ## License
 
 Licensed under either of:
@@ -50,12 +57,12 @@ dual licensed as above, without any additional terms or conditions.
 [crate-link]: https://crates.io/crates/pkcs1
 [docs-image]: https://docs.rs/pkcs1/badge.svg
 [docs-link]: https://docs.rs/pkcs1/
+[build-image]: https://github.com/RustCrypto/formats/actions/workflows/pkcs1.yml/badge.svg
+[build-link]: https://github.com/RustCrypto/formats/actions/workflows/pkcs1.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
 [rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
-[build-image]: https://github.com/RustCrypto/formats/workflows/pkcs1/badge.svg?branch=master&event=push
-[build-link]: https://github.com/RustCrypto/formats/actions
 
 [//]: # (links)
 
diff --git a/pkcs12/README.md b/pkcs12/README.md
@@ -12,6 +12,13 @@ Personal Information Exchange Syntax v1.1 ([RFC7292]).
 
 [Documentation][docs-link]
 
+## Minimum Supported Rust Version (MSRV) Policy
+
+MSRV increases are not considered breaking changes and can happen in patch releases.
+
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
+
 ## License
 
 Licensed under either of:
@@ -33,12 +40,12 @@ dual licensed as above, without any additional terms or conditions.
 [crate-link]: https://crates.io/crates/pkcs12
 [docs-image]: https://docs.rs/pkcs12/badge.svg
 [docs-link]: https://docs.rs/pkcs12/
+[build-image]: https://github.com/RustCrypto/formats/actions/workflows/pkcs12.yml/badge.svg
+[build-link]: https://github.com/RustCrypto/formats/actions/workflows/pkcs12.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
 [rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
-[build-image]: https://github.com/RustCrypto/formats/workflows/pkcs12/badge.svg?branch=master&event=push
-[build-link]: https://github.com/RustCrypto/formats/actions
 
 [//]: # (links)
 
diff --git a/pkcs5/README.md b/pkcs5/README.md
@@ -12,6 +12,13 @@ Password-Based Cryptography Specification Version 2.1 ([RFC 8018]).
 
 [Documentation][docs-link]
 
+## Minimum Supported Rust Version (MSRV) Policy
+
+MSRV increases are not considered breaking changes and can happen in patch releases.
+
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
+
 ## License
 
 Licensed under either of:
@@ -36,7 +43,7 @@ dual licensed as above, without any additional terms or conditions.
 [build-image]: https://github.com/RustCrypto/formats/actions/workflows/pkcs5.yml/badge.svg
 [build-link]: https://github.com/RustCrypto/formats/actions/workflows/pkcs5.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.71+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
 
diff --git a/pkcs7/README.md b/pkcs7/README.md
diff --git a/pkcs8/README.md b/pkcs8/README.md
@@ -52,6 +52,13 @@ OpenSSL for the  following algorithms:
 Please open an issue if you encounter trouble using it with a particular
 algorithm, including the ones listed above or other algorithms.
 
+## Minimum Supported Rust Version (MSRV) Policy
+
+MSRV increases are not considered breaking changes and can happen in patch releases.
+
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
+
 ## License
 
 Licensed under either of:
@@ -73,12 +80,12 @@ dual licensed as above, without any additional terms or conditions.
 [crate-link]: https://crates.io/crates/pkcs8
 [docs-image]: https://docs.rs/pkcs8/badge.svg
 [docs-link]: https://docs.rs/pkcs8/
+[build-image]: https://github.com/RustCrypto/formats/actions/workflows/pkcs8.yml/badge.svg
+[build-link]: https://github.com/RustCrypto/formats/actions/workflows/pkcs8.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
 [rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
-[build-image]: https://github.com/RustCrypto/formats/workflows/pkcs8/badge.svg?branch=master&event=push
-[build-link]: https://github.com/RustCrypto/formats/actions
 
 [//]: # (links)
 
diff --git a/sec1/README.md b/sec1/README.md
@@ -16,12 +16,12 @@ formats including ASN.1 DER-serialized private keys (also described in
 [RFC5915]) as well as the `Elliptic-Curve-Point-to-Octet-String` and
 `Octet-String-to-Elliptic-Curve-Point` encoding algorithms.
 
-## Minimum Supported Rust Version
+## Minimum Supported Rust Version (MSRV) Policy
 
-This crate requires **Rust 1.71** at a minimum.
+MSRV increases are not considered breaking changes and can happen in patch releases.
 
-We may change the MSRV in the future, but it will be accompanied by a minor
-version bump.
+The crate MSRV accounts for all supported targets and crate feature combinations, excluding
+explicitly unstable features.
 
 ## License
 
@@ -44,12 +44,12 @@ dual licensed as above, without any additional terms or conditions.
 [crate-link]: https://crates.io/crates/sec1
 [docs-image]: https://docs.rs/sec1/badge.svg
 [docs-link]: https://docs.rs/sec1/
+[build-image]: https://github.com/RustCrypto/formats/actions/workflows/sec1.yml/badge.svg
+[build-link]: https://github.com/RustCrypto/formats/actions/workflows/sec1.yml
 [license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[rustc-image]: https://img.shields.io/badge/rustc-1.71+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
 [chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
-[build-image]: https://github.com/RustCrypto/formats/workflows/sec1/badge.svg?branch=master&event=push
-[build-link]: https://github.com/RustCrypto/formats/actions
 
 [//]: # (links)
 
diff --git a/serdect/README.md b/serdect/README.md
@@ -4,7 +4,8 @@
 [![Docs][docs-image]][docs-link]
 [![Build Status][build-image]][build-link]
 ![Apache 2.0/MIT Licensed][license-image]
-![MSRV][msrv-image]
+![Rust Version][rustc-image]
+[![Project Chat][chat-image]][chat-link]
 
 Constant-time serde serializer/deserializer helpers for data that potentially
 contains secrets (e.g. cryptographic keys)
@@ -66,10 +67,12 @@ dual licensed as above, without any additional terms or conditions.
 [crate-link]: https://crates.io/crates/serdect
 [docs-image]: https://docs.rs/serdect/badge.svg
 [docs-link]: https://docs.rs/serdect/
-[license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
-[msrv-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
 [build-image]: https://github.com/RustCrypto/formats/actions/workflows/serdect.yml/badge.svg
 [build-link]: https://github.com/RustCrypto/formats/actions/workflows/serdect.yml
+[license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.85+-blue.svg
+[chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg
+[chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/300570-formats
 
 [//]: # (general links)
 
diff --git a/spki/README.md b/spki/README.md
@@ -14,6 +14,14 @@ Specified in [RFC 5280 § 4.1].
 
 [Documentation][docs-link]
 
+## Minimum Supported Rust Version (MSRV) Policy
+
+MSRV increases are not considered breaking changes and can happen in patch
+releases.
+
+The crate MSRV accounts for all supported targets and crate feature
+combinations, excluding explicitly unstable features.
+
 ## License
 
 Licensed under either of:
diff --git a/tai64/README.md b/tai64/README.md
diff --git a/tls_codec/README.md b/tls_codec/README.md
diff --git a/x509-cert/README.md b/x509-cert/README.md
diff --git a/x509-ocsp/README.md b/x509-ocsp/README.md
diff --git a/x509-tsp/README.md b/x509-tsp/README.md
