diff --git a/AGENTS.md b/AGENTS.md
index 9823489f..f28f194e 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -71,3 +71,11 @@ Changes to plonk ripple to downstream crates — `phoenix/circuits`, `poseidon-m
 
 **Branches**: branch from `master`. Don't push to `master` directly.
 **Commits**: follow the style of recent commits in the repo.
+
+## Changelog
+
+Update `CHANGELOG.md` under `[Unreleased]` for user-visible changes only. Exclude tests, CI, tooling, and refactors.
+
+- One fact per entry. Name the public item and behavior, including the affected released item if breaking. Leave implementation, rationale, consequences, and migration to the linked issue.
+- Use existing `Added`, `Changed`, or `Removed` sections. Use `Fixed` only for released bugs. Correct unreleased bugs in their original entry.
+- Link only the GitHub issue, not the PR. Match existing link style and define references below. Preserve other entries and follow [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and Markdown blank-line spacing.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67f65133..5e339d34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,12 +22,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `Error::CircuitUnsatisfied` [#877]
 - Add `Display` for `Error` to builds without the `std` feature [#895]
 - Add `core::error::Error` for `Error` to builds without the `std` feature [#895]
-- Cover curve-addition poles directly in point soundness regressions and update
-  their module documentation [#910]
-- Isolate the collapsed curve-addition pole residual in a point soundness
-  regression [#914]
-- Cover the positive curve-addition pole with an isolated soundness regression
-  [#916]
 
 ### Changed
 
@@ -67,11 +61,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   and commitment keys [#964]
 - Bind proof construction to the public-input rows recorded at compile time [#957]
 - Reject serialized provers that predate the compiled public-input row layout [#957]
-- Update Criterion to 0.8 and align the dev-only `itertools` dependency [#953]
 - Raise the MSRV to Rust 1.96.1 [#951]
 - Update `blake2b_simd` to 1.0.5 [#950]
-- Replace the deprecated `tempdir` development dependency with `tempfile`
-  [#949]
 - Update `miniz_oxide` to 0.9 and replace the unmaintained `adler` dependency
   with `adler2` [#948]
 - Align `hashbrown` with the version used by the optional RKYV dependency graph
@@ -862,10 +853,8 @@ is necessary since `rkyv/validation` was required as a bound.
 [#960]: https://github.com/dusk-network/plonk/issues/960
 [#959]: https://github.com/dusk-network/plonk/issues/959
 [#957]: https://github.com/dusk-network/plonk/issues/957
-[#953]: https://github.com/dusk-network/plonk/issues/953
 [#951]: https://github.com/dusk-network/plonk/issues/951
 [#950]: https://github.com/dusk-network/plonk/issues/950
-[#949]: https://github.com/dusk-network/plonk/issues/949
 [#948]: https://github.com/dusk-network/plonk/issues/948
 [#943]: https://github.com/dusk-network/plonk/issues/943
 [#942]: https://github.com/dusk-network/plonk/issues/942
@@ -880,10 +869,7 @@ is necessary since `rkyv/validation` was required as a bound.
 [#927]: https://github.com/dusk-network/plonk/issues/927
 [#920]: https://github.com/dusk-network/plonk/issues/920
 [#919]: https://github.com/dusk-network/plonk/issues/919
-[#916]: https://github.com/dusk-network/plonk/issues/916
-[#914]: https://github.com/dusk-network/plonk/issues/914
 [#913]: https://github.com/dusk-network/plonk/issues/913
-[#910]: https://github.com/dusk-network/plonk/issues/910
 [#908]: https://github.com/dusk-network/plonk/issues/908
 [#902]: https://github.com/dusk-network/plonk/issues/902
 [#903]: https://github.com/dusk-network/plonk/issues/903
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e3f087ad..4e18b6cc 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -38,10 +38,8 @@ other kind of inconsistency with your code.
 
 - Do not open PRs that are not linked or related to a previously opened issue. 
 
-- Update the `Unreleased` section of the [CHANGELOG](https://github.com/dusk-network/plonk/blob/master/CHANGELOG.md)
-if your PR includes anything that it's worth to be noticed in there. Avoid adding things
-like doc-nitpicks and similar changes which do not affect directly any added,
-fixed, removed or changed feature.
+- Follow the [changelog section of AGENTS.md](AGENTS.md#changelog) to decide on and write
+an entry in the [CHANGELOG](https://github.com/dusk-network/plonk/blob/master/CHANGELOG.md).
 
 # Code of Conduct