updated CHANGELOG.md

added 2.6 and prepared 2.8

CHANGELOG.md

@@ -1,19 +1,61 @@
 # Changelog
 
-#### n2n 2.4 (August 2018)
+## n2n 2.4 (August 2018)
 
 This is the first release after 2012 and thus it is focusing mainly
 on making it work on current operating system versions, so that the
-next release will be based on modern code
+next release will be based on modern code.
 
-## New features
+### New Features
 * Added deb/rpm packages
 * Added systemd configuration files
 * Added ability to read configuration files instead of using only the CLI (needed for packaging)
 * Added n2n Android app
 * Implemented simple API to embed n2n in applications (in addition to use it stand-alone)
 
-## Improvements
+### Improvements
 * Major code cleanup
 * Fixed compilation issues on MacOS
 * Fixed Linux segmentation fault
+
+## n2n 2.6 (March 2020)
+
+The 2.6 release is mostly a maintenance release to address the issues 
+of 2.4 that has been the first release since a long time of silence.
+
+### New Features
+
+* AES encryption that features an overall speed bump (12x speed) and security with respect to Twofish used in the previous n2n version
+* Add ability to specify a whitelist of allowed communities on the supernode
+* Implement local peers discovery via multicast
+* Full peer-to-peer topology support.
+* Add support for multiple edge systemd services
+* Add benchmark tool for the encryption throughput
+* Implement packet stats for P2P vs supernode communication
+* Automatically drop privileges to user n2n
+* Add support for ARM64 build
+* More options to control MTU, P2P connections, TOS and log verbosity
+* Implement a wireshark dissector for the n2n protocol
+* Implement n2n-decode utility to decode and dump traffic to PCAP
+
+
+### Improvements
+* Extensive Windows and OpenWRT support.
+* Windows compilation fixes and instructions
+* Instructions and makefile file to build n2n on OpenWRT
+* MacOS compilation fixes and instructions
+* Improve the connection stability and the chances to establish a P2P connection
+* Stable and more resilient connection.
+* Remove keyschedule support to simplify the encryption code
+* Replace peers linked list with hash table for faster lookup in big networks
+* Integrate the changes made in the meyerd fork of n2n
+* Remove calls to system() in tuntap_linux and use netlink instead
+* n2n version improvements
+
+## n2n 2.8 (August 2020)
+
+This release brings significant new features to n2n's crypto world. Besides honing existing features, bugs get fixed.
+
+### New Features
+
+### Improvements