eCAL 6.1.0#

Release Date: 2026-02-24
GitHub Release Page: eclipse-ecal/ecal

Changelog#

# 🚀Release Highlights
### Core Improvements

* Enabled timegate module by default (#2152)
* Critical race condition in POSIX event implementation fixed (#2247)
* performance improvements: descriptor gate, timeout provider, deserialization (#2376, #2422, #2424)
* Introduced subscriber latency metrics (#2451)
* Switched to protozero serialization (#2397)
* Activated C++17 support across core and services (#2444, #2470)
* Improved message drop handling and duplicate message filtering (#2248, #2474)

### Python & C# Bindings

* New Python core binding via nanobind (#2151)
* Message API migrated to nanobind_core (#2254)
* Support for newer protobuf versions (#2429)
* Python memory leak fixes (#2287, #2325)
* C# API improvements: callback‑based ServiceClient, logging & monitoring alignment (#2199, #2192)

### Build & CI

* ccache enabled on macOS/Windows for faster builds (#2134, #2141)
* Automatic rebuilds of release pages (#2306)
* Added Python SBOM script (#2310)
* Updated CI runners and improved platform compatibility (#2196, #2225, #2449)

### Documentation

* Major rework of HowTo and migration docs (#2274)
* Benchmark documentation with examples (#2363, #2369, #2371)
* Auto‑generated license documentation (#2338, #2344, #2351, #2414)
* Updated guidance for enabling the TCP layer in eCAL 6+ (#2390)

### Apps / Tools

* Rec Server migrated to new service API (#2393)
* Added throughput statistics to Rec GUI (#2484)
* eCAL Monitor improvements (byte display delegates) (#2217)
* New HDF5 measurement synthesizer (#2409)

### Submodules & Dependencies

* Updated asio, yaml-cpp, fineftp, udpcap, ecaludp (#2160, #2240, #2159, #2163, #2157)
* Removed nanopb serialization (#2447)
* Added support for ftxui 6.0.0 (#2095)

### Benchmarks & Testing

* Automated performance analysis added (#2253)
* Pub/Sub benchmark for all transport layers (#2440)
* Test stability improvements (timeouts, ARM stability, named events) (#2438, #2421, #2251)

### New Contributors 🎉

@LeWimbes (#2257)
@EmirTutar (#2283)

Downloads#

eCAL Installer#

OS	Architecture	Files
Windows	x64	ecal_6.1.0-win64.exe
Ubuntu 24.04	x64	ecal_6.1.0-noble_amd64.deb
Ubuntu 22.04	x64	ecal_6.1.0-jammy_amd64.deb
Ubuntu 24.04	ARM64	ecal_6.1.0-noble_arm64.deb
Ubuntu 22.04	ARM64	ecal_6.1.0-jammy_arm64.deb

Python Binding#

OS	Architecture	Files
Windows	x64	Python 3.14 (.whl) Python 3.14 (.whl) Python 3.13 (.whl) Python 3.12 (.whl) Python 3.11 (.whl) Python 3.10 (.whl) Python 3.9 (.whl) Python 3.8 (.whl)
Linux (All)	x64	Python 3.14 (.whl) Python 3.14 (.whl) Python 3.13 (.whl) Python 3.12 (.whl) Python 3.11 (.whl) Python 3.10 (.whl) Python 3.9 (.whl) Python 3.8 (.whl)
Linux (All)	ARM64	Python 3.14 (.whl) Python 3.14 (.whl) Python 3.13 (.whl) Python 3.12 (.whl) Python 3.11 (.whl) Python 3.10 (.whl) Python 3.9 (.whl) Python 3.8 (.whl)

Architecture

Files

Windows

x64

Linux (All)