Better explain status of mainlining and UDP alternative to TCP-Prague

Author: koen0607

README.md

@@ -1,6 +1,6 @@
 # Available Linux builds for the L4S features
 
-Linux mainlining the contents of this repository is ongoing. The current testing branch is in line with kernel 5.15, and is not maintained anymore (not in line with the latest (to) mainline(d) versions). Several later Kernel versions are available in this overview and updated last at Nov 2025):
+Linux mainlining the contents of this repository is ongoing. The current testing branch is in line with kernel 5.15, and is not maintained anymore (not in line with the latest (to) mainline(d) versions). Several later Kernel versions are available in this overview and updated on request or as needed (for mainlining):
 
 - Linux 5.15 (this repository at testing branch) and Linux 6.1 (not public, on request) is NOT actively maintained
 - Linux 6.6:
@@ -9,12 +9,13 @@ Linux mainlining the contents of this repository is ongoing. The current testing
     - RPI Linux: [minuscat/rpi-6.6.y](https://github.com/minuscat/rpi-6.6.y), no prebuild, to be compiled on target 
 - Linux 6.12:
     - Linux stable: [L4STeam/linux at l4steam-6.12.y](https://github.com/L4STeam/linux/tree/l4steam-6.12.y), prebuild zip at [https://github.com/L4STeam/linux/releases/download/l4steam-6.12.y-build/l4s-l4steam-6.12.y.zip]
-- Latest Net-dev mainline synced (source for mainlining):
+- Latest Net-dev mainline synced (source for mainlining and updated very frequently):
     - Linux net-next: [L4STeam/linux-net-next](https://github.com/l4steam/linux-net-next), prebuild zip at [https://github.com/L4STeam/linux-net-next/releases/download/upstream_l4steam-build/l4s-upstream_l4steam.zip]
 
 At this time, the mainlining status is:
 - DualPI2 is part of mainline Linux from 6.17 onwards.
 - ACC-ECN is partly delivered (2/3th) in 6.18, but cannot be used yet, before all parts are complete.
+- TCP-Prague is waiting for ACC-ECN to be completed, but check out our [UDP-Prague](https://github.com/L4STeam/udp_prague/) repo for adding Prague to your UDP based apps. Just use prague_cc.h/cpp that define the PragueCC class that has no dependencies (besides C++ compilation). The rest are example apps are compilable on all major OSs (Linux, Apple, Unix and Windows). Also check the udpsocket.c/cpp that defines the UDPSocket class to send and receive ECN for IPv4 and IPv6 on the different OSs. 
 
 # Linux kernel tree with L4S patches