diff --git a/config/minetest/APKBUILD b/config/minetest/APKBUILD
index 34d7650..d7b8a78 100644
--- a/config/minetest/APKBUILD
+++ b/config/minetest/APKBUILD
@@ -4,9 +4,9 @@ _svcname=minetest
 
 . ../APKBUILD-config.common
 
-pkgver=2021.03.29
-pkgrel=0
+pkgver=2021.04.01
+pkgrel=1
 source="redxen.conf"
 depends="$depends minetest-mineclone2"
 
-sha512sums="07ab468f6e0650e85680482e2137330c899388971147fea10656107a64d04784372bda4bb1eb385f86224723e486c8d6761810d0cebcdda99184542edb223701  redxen.conf"
+sha512sums="9194032d8a0fa2895f753a7bdb010030c836ceae70602f6850ad554a7eb54358297707be7ffcff4c09849b3bc3082b438301566c328fb6af22cd4b78992beb90  redxen.conf"
diff --git a/config/minetest/redxen.conf b/config/minetest/redxen.conf
index e8abe9c..1d2e05d 100644
--- a/config/minetest/redxen.conf
+++ b/config/minetest/redxen.conf
@@ -67,7 +67,8 @@ ipv6_server = true
 #    The maximum total count is calculated dynamically:
 #    max_total = ceil((#clients + max_users) * per_client / 4)
 #    type: int
-# max_simultaneous_block_sends_per_client = 40
+max_simultaneous_block_sends_per_client = 10
+max_simultaneous_block_sends_server_total = 50
 
 #    To reduce lag, block transfers are slowed down when a player is building something.
 #    This determines how long they are slowed down after placing or removing a node.
@@ -78,7 +79,7 @@ ipv6_server = true
 #    try reducing it, but don't reduce it to a number below double of targeted
 #    client number.
 #    type: int
-# max_packets_per_iteration = 1024
+max_packets_per_iteration = 8192
 
 #    ZLib compression level to use when sending mapblocks to the client.
 #    -1 - Zlib's default compression level
@@ -211,11 +212,11 @@ kick_msg_crash = This server has experienced an internal error. You will now be
 #    This is also the minimum range in which active objects (mobs) are maintained.
 #    This should be configured together with active_object_send_range_blocks.
 #    type: int
-# active_block_range = 4
+active_block_range = 2
 
 #    From how far blocks are sent to clients, stated in mapblocks (16 nodes).
 #    type: int
-max_block_send_distance = 12
+max_block_send_distance = 8
 
 #    Maximum number of forceloaded mapblocks.
 #    type: int
@@ -327,7 +328,7 @@ movement_speed_crouch = 1.35
 
 #    Maximum number of statically stored objects in a block.
 #    type: int
-# max_objects_per_block = 64
+max_objects_per_block = 4096
 
 #    See https://www.sqlite.org/pragma.html#pragma_synchronous
 #    type: enum values: 0, 1, 2
@@ -344,7 +345,7 @@ movement_speed_crouch = 1.35
 #    Length of a server tick and the interval at which objects are generally updated over
 #    network.
 #    type: float
-# dedicated_server_step = 0.09
+dedicated_server_step = 0.1
 
 #    Length of time between active block management cycles
 #    type: float
@@ -352,12 +353,12 @@ movement_speed_crouch = 1.35
 
 #    Length of time between Active Block Modifier (ABM) execution cycles
 #    type: float
-# abm_interval = 1.0
+abm_interval = 0.25
 
 #    The time budget allowed for ABMs to execute on each step
 #    (as a fraction of the ABM Interval)
 #    type: float min: 0.1 max: 0.9
-# abm_time_budget = 0.2
+abm_time_budget = 0.2
 
 #    Length of time between NodeTimer execution cycles
 #    type: float
@@ -391,7 +392,7 @@ movement_speed_crouch = 1.35
 #    optimization.
 #    Stated in mapblocks (16 nodes).
 #    type: int min: 2
-block_send_optimize_distance = 8
+block_send_optimize_distance = 4
 
 #    If enabled the server will perform map block occlusion culling based on
 #    on the eye position of the player. This can reduce the number of blocks
@@ -532,3 +533,7 @@ enable_ipv6 = true
 #    type: int
 # contentdb_max_concurrent_downloads = 3
 
+# Client modding
+enable_client_modding = true
+csm_restriction_flags = 0
+enable_mod_channels = true