https://github.com/sikthehedgehog/echo
Not a big update, don't expect new features. It adds the $D0-$DF events, which are the same as $FE $01 to $FE $10, just taking up one byte instead of two. Short delays seem to be the most common so this should help reduce space usage.
If I recall correctly this was also like the only new thing that was ever implemented in Echo-X (and with the same numbers, even) so I suppose streams for that fork should work with this Echo version too.
Echo 1.3 update
Moderator: BigEvilCorporation
Echo 1.3 update
Sik is pronounced as "seek", not as "sick".