root@daconcepts:/home/minetest/minetest_core# git bisect bad
f9fdb48dc85e53253ef93972355d3c7bc9d0ffb0 is the first bad commit
commit f9fdb48dc85e53253ef93972355d3c7bc9d0ffb0
Author: SmallJoker <mk939@ymail.com>
Date:   Sat Apr 1 20:38:14 2017 +0200

    Sneak: Improve and fix various things

    Remove useless `got_teleported`.
    Fix jitter when walking against the sneak limits.
    Fix damage evading on sneak ladders.

:040000 040000 2395ebe8c3f6ebbc05d026574984a1cecd21e087 dfda83da935af2d884f11a753ffd17b0fd40bfe3 M	doc
:040000 040000 a7bb87ee6a3de33906d837a218df4f1e25143257 734940bdd2b5a4559bf1c8c4c327a8be537dff32 M	src