Mention backwards compatibility in CONTRIBUTING.

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e2c5252dc6ff4213cddb0d2c21ee184471e2b952..93666dd22970d0bbeb2dedc206fa2f484d956586 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -75,7 +75,10 @@ be covered by functional tests.
 When refactoring, structure your PR to make it easy to review and don't
 hesitate to split it into multiple small, focused PRs.
 
 When refactoring, structure your PR to make it easy to review and don't
 hesitate to split it into multiple small, focused PRs.
 

-The Minimum Supported Rust Version is 1.41.1 (enforced by our GitHub Actions).
+The Minimum Supported Rust Version (MSRV) currently is 1.41.1 (enforced by
+our GitHub Actions). Also, the compatibility for LDK object serialization is
+currently ensured back to and including crate version 0.0.99 (see the
+[changelog](CHANGELOG.md)).

 
 Commits should cover both the issue fixed and the solution's rationale.
 These [guidelines](https://chris.beams.io/posts/git-commit/) should be kept in mind.
 
 Commits should cover both the issue fixed and the solution's rationale.
 These [guidelines](https://chris.beams.io/posts/git-commit/) should be kept in mind.