diff --git a/cmake/mimalloc-config-version.cmake b/cmake/mimalloc-config-version.cmake
index db881213..80158aed 100644
--- a/cmake/mimalloc-config-version.cmake
+++ b/cmake/mimalloc-config-version.cmake
@@ -1,6 +1,6 @@
 set(mi_version_major 2)
 set(mi_version_minor 1)
-set(mi_version_patch 4)
+set(mi_version_patch 5)
 set(mi_version ${mi_version_major}.${mi_version_minor})
 
 set(PACKAGE_VERSION ${mi_version})
diff --git a/include/mimalloc.h b/include/mimalloc.h
index 1fa430d3..8f287783 100644
--- a/include/mimalloc.h
+++ b/include/mimalloc.h
@@ -8,7 +8,7 @@ terms of the MIT license. A copy of the license can be found in the file
 #ifndef MIMALLOC_H
 #define MIMALLOC_H
 
-#define MI_MALLOC_VERSION 214   // major + 2 digits minor
+#define MI_MALLOC_VERSION 215   // major + 2 digits minor
 
 // ------------------------------------------------------
 // Compiler specific attributes
diff --git a/readme.md b/readme.md
index 5ca499d6..05268a87 100644
--- a/readme.md
+++ b/readme.md
@@ -12,8 +12,8 @@ is a general purpose allocator with excellent [performance](#performance) charac
 Initially developed by Daan Leijen for the runtime systems of the
 [Koka](https://koka-lang.github.io) and [Lean](https://github.com/leanprover/lean) languages.
 
-Latest release tag: `v2.1.4` (2024-04-22).
-Latest stable  tag: `v1.8.4` (2024-04-22).
+Latest release tag: `v2.1.4` (2024-04-22).  
+Latest v1 tag: `v1.8.4` (2024-04-22).
 
 mimalloc is a drop-in replacement for `malloc` and can be used in other programs
 without code changes, for example, on dynamically linked ELF-based systems (Linux, BSD, etc.) you can use it as:
@@ -72,11 +72,13 @@ Enjoy!
 
 * `master`: latest stable release (based on `dev-slice`).
 * `dev`: development branch for mimalloc v1. Use this branch for submitting PR's.
-* `dev-slice`: development branch for mimalloc v2. This branch is downstream of `dev`.
+* `dev-slice`: development branch for mimalloc v2. This branch is downstream of `dev` (and is essentially equal to `dev` except for
+`src/segment.c`)
 
 ### Releases
 
-Note: the `v2.x` version has a new algorithm for managing internal mimalloc pages that tends to use reduce memory usage
+Note: the `v2.x` version has a different algorithm for managing internal mimalloc pages (as slices) that tends to use reduce 
+memory usage
   and fragmentation compared to mimalloc `v1.x` (especially for large workloads). Should otherwise have similar performance
   (see [below](#performance)); please report if you observe any significant performance regression.