diff --git a/readme.md b/readme.md
index 601a7e24..71aaf7a2 100644
--- a/readme.md
+++ b/readme.md
@@ -12,9 +12,9 @@ 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   : `v3.0.3` (beta) (2025-03-28).  
-Latest v2 release: `v2.2.3` (2025-03-28).  
-Latest v1 release: `v1.9.3` (2024-03-28).
+Latest release   : `v3.1.4` (beta) (2025-06-09).  
+Latest v2 release: `v2.2.4` (2025-06-09).  
+Latest v1 release: `v1.9.4` (2024-06-09).
 
 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:
@@ -77,12 +77,16 @@ Enjoy!
 * `dev2`: development branch for mimalloc v2. This branch is downstream of `dev` 
           (and is essentially equal to `dev` except for `src/segment.c`). Uses larger sliced segments to manage
           mimalloc pages that can reduce fragmentation.
-* `dev3`: development branch for mimalloc v3-beta. This branch is downstream of `dev`. This version 
-          simplifies the lock-free ownership of previous versions, has no thread-local segments any more. 
-          This improves sharing of memory between threads, and on certain large workloads may use (much) less memory.
+* `dev3`: development branch for mimalloc v3 beta. This branch is downstream of `dev`. This version 
+          simplifies the lock-free ownership of previous versions, and improves sharing of memory between 
+          threads. On certain large workloads this version may use (much) less memory.
 
 ### Releases
 
+* 2025-06-09, `v1.9.4`, `v2.2.4`, `v3.1.4` (beta) : Some important bug fixes, including a case where OS memory
+  was not always fully released. Improved v3 performance, build on XBox, fix build on Android, support interpose 
+  for older macOS versions, use MADV_FREE_REUSABLE on macOS, always check commit success, better support for Windows 
+  fixed TLS offset, etc.
 * 2025-03-28, `v1.9.3`, `v2.2.3`, `v3.0.3` (beta) : Various small bug and build fixes, including:
   fix arm32 pre v7 builds, fix mingw build, get runtime statistics, improve statistic commit counts, 
   fix execution on non BMI1 x64 systems.