diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..4435abb
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,12 @@
+**Description of the change**
+
+Clearly and concisely describe the purpose of the pull request. If this PR relates to an existing issue or change proposal, please link to it. Include any other background context that would help reviewers understand the motivation for this PR.
+
+---
+
+**Checklist:**
+
+- [ ] Added the change to the changelog's "Unreleased" section with a reference to this PR (e.g. "- Made a change (#0000)")
+- [ ] Linked any existing issues or proposals that this pull request should close
+- [ ] Updated or added relevant documentation
+- [ ] Added a test for the contribution (if applicable)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2e4c7a1..66354b4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
 
       - uses: purescript-contrib/setup-purescript@main
         with:
-          purescript: "0.14.0-rc3"
+          purescript: "0.14.0-rc5"
 
       - uses: actions/setup-node@v1
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..f4b784c
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,82 @@
+# Changelog
+
+Notable changes to this project are documented in this file. The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+Breaking changes:
+
+New features:
+
+Bugfixes:
+
+Other improvements:
+
+## [v6.0.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v6.0.0) - 2019-07-24
+
+* Add a `MutableBuffer` type class with instances for both `Effect` and `ST`, to allow mutating buffers in either monad, and potentially other monads too (#24, @Dretch)
+* Remove the `Show Buffer` instance, as reading from a mutable buffer is effectful (@Dretch)
+* Use `Number` for reading and writing with Buffers (#25, @hdgarrood)
+
+## [v5.0.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v5.0.0) - 2018-05-26
+
+Updated for PureScript 0.12
+
+## [v4.1.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v4.1.0) - 2017-12-11
+
+Add `fromArrayBuffer` (@matthewleon)
+
+## [v4.0.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v4.0.0) - 2017-11-19
+
+- Added `toArrayBuffer` (@matthewleon)
+
+## [v3.0.1](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v3.0.1) - 2017-06-20
+
+Fix an encoding issue in `writeString` (@justinwoo)
+
+## [v3.0.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v3.0.0) - 2017-04-04
+
+Updates for 0.11 (@anilanar)
+
+## [v2.0.1](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v2.0.1) - 2017-02-10
+
+- Fixed `getAtOffset` FFI implementation (@rightfold)
+- Fixed documentation typo (@rightfold)
+
+## [v2.0.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v2.0.0) - 2016-10-17
+
+- Updated dependencies (@nwolverson)
+- Added `latin1` encoding (@Risto-Stevcev)
+
+## [v1.0.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v1.0.0) - 2016-06-06
+
+- Compatibility with psc 0.9
+- Better behaved `Show` instance, plus an `encodingToNode` function which is now recommended for use with node APIs instead of `show`.
+
+## [v0.2.2](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v0.2.2) - 2016-04-03
+
+Fix `byteLength`, which had a bad FFI declaration, so that it would throw an error every time it was called.
+
+## [v0.2.1](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v0.2.1) - 2016-04-03
+
+No code changes, this tag was just for publishing to Pursuit.
+
+## [v0.2.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v0.2.0) - 2015-11-11
+
+- Major important fixes. This is a breaking change as type signatures have changed. (@hdgarrood)
+
+## [v0.1.1](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v0.1.1) - 2015-11-10
+
+Release v0.1.1
+Fix `write`, `writeString`, and `fill`, which used to immediately throw errors at
+runtime upon use.
+
+## [v0.1.0](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v0.1.0) - 2015-07-06
+
+- Support for compiler version 0.7
+- Use Int instead of Number where appropriate (which happens to be everywhere)
+
+## [v0.0.1](https://github.com/purescript-node/purescript-node-buffer/releases/tag/v0.0.1) - 2014-10-14
+
+Initial versioned release
+