diff --git a/jecs/README.md b/jecs/README.md
index 7db4e13..723874c 100644
--- a/jecs/README.md
+++ b/jecs/README.md
@@ -14,21 +14,6 @@ Just a stupidly fast Entity Component System
 -   Cache friendly [archetype/SoA](https://ajmmertens.medium.com/building-an-ecs-2-archetypes-and-vectorization-fe21690805f9) storage
 -   Rigorously [unit tested](https://github.com/Ukendio/jecs/actions/workflows/ci.yaml) for stability
 
-### Installation
-
-With [Wally](https://wally.run/):
-```bash
-jecs = "ukendio/jecs@0.6.0" # Inside wally.toml
-```
-With [pesde](https://pesde.dev/):
-```bash
-pesde add wally#ukendio/jecs@0.6.0
-```
-With [npm](https://www.npmjs.com/package/@rbxts/jecs) ([roblox-ts](https://roblox-ts.com/)):
-```bash
-npm i @rbxts/jecs
-```
-
 ### Example
 
 ```lua
diff --git a/jecs/build.txt b/jecs/build.txt
index 6774a58..1ab250a 100644
--- a/jecs/build.txt
+++ b/jecs/build.txt
@@ -1,2 +1,2 @@
-modified = ["README.md"]
-version = "0.6.0-nightly.20250526T001303Z"
+modified = ["addons/observers.luau"]
+version = "0.6.0-nightly.20250520T001101Z"
diff --git a/jecs/pesde-rbx.toml b/jecs/pesde-rbx.toml
index 9a2916c..50592e6 100644
--- a/jecs/pesde-rbx.toml
+++ b/jecs/pesde-rbx.toml
@@ -3,7 +3,7 @@ includes = ["init.luau", "pesde.toml", "README.md", "CHANGELOG.md", "LICENSE", "
 license = "MIT"
 name = "marked/jecs_nightly"
 repository = "https://git.devmarked.win/marked/jecs-nightly"
-version = "0.6.0-nightly.20250526T001303Z"
+version = "0.6.0-nightly.20250520T001101Z"
 
 [indices]
 default = "https://github.com/pesde-pkg/index"
diff --git a/jecs/pesde.toml b/jecs/pesde.toml
index 217a660..fd6740f 100644
--- a/jecs/pesde.toml
+++ b/jecs/pesde.toml
@@ -3,7 +3,7 @@ includes = ["init.luau", "pesde.toml", "README.md", "CHANGELOG.md", "LICENSE", "
 license = "MIT"
 name = "marked/jecs_nightly"
 repository = "https://git.devmarked.win/marked/jecs-nightly"
-version = "0.6.0-nightly.20250526T001303Z"
+version = "0.6.0-nightly.20250520T001101Z"
 
 [indices]
 default = "https://github.com/pesde-pkg/index"
diff --git a/jecs/test.txt b/jecs/test.txt
index 70dea1d..3d8ba7b 100644
--- a/jecs/test.txt
+++ b/jecs/test.txt
@@ -1,2 +1,2 @@
 passed = true
-timestamp = "20250526T001305Z"
+timestamp = "20250525T001139Z"
diff --git a/jecs/test_fulllog.txt b/jecs/test_fulllog.txt
index 9a2d6d8..44c9c95 100644
--- a/jecs/test_fulllog.txt
+++ b/jecs/test_fulllog.txt
@@ -1,5 +1,5 @@
-[38;1m7.7[0m [33;1mus[0m [38;1m  3[0m [33;1mkB[0m[38;1m│[0m [38;1mdelete children of entity[0m
-[38;1m9.0[0m [33;1mus[0m [38;1m  1[0m [33;1mkB[0m[38;1m│[0m [38;1mremove friends of entity[0m
+[38;1m7.1[0m [33;1mus[0m [38;1m  3[0m [33;1mkB[0m[38;1m│[0m [38;1mdelete children of entity[0m
+[38;1m9.1[0m [33;1mus[0m [38;1m  1[0m [33;1mkB[0m[38;1m│[0m [38;1mremove friends of entity[0m
 [38;1m346[0m [32;1mns[0m [38;1m 10[0m [32;1m B[0m[38;1m│[0m [38;1msimple deletion of entity[0m
 [37;1mrepro[0m
 [38;5;208mNONE[0m[38;1m│[0m [38;1m[0m
@@ -121,5 +121,5 @@
 [32;1mPASS[0m[38;1m│[0m [38;1m#2[0m
 [32;1mPASS[0m[38;1m│[0m [38;1m#3[0m
 
-[38;1m74/74 test cases passed in 32.163 ms.[0m
+[38;1m74/74 test cases passed in 31.217 ms.[0m
 [32;1m0 fails[0m
diff --git a/jecs/wally.toml b/jecs/wally.toml
index 6ff5d54..d7ffcb9 100644
--- a/jecs/wally.toml
+++ b/jecs/wally.toml
@@ -5,4 +5,4 @@ license = "MIT"
 name = "mark-marks/jecs-nightly"
 realm = "shared"
 registry = "https://github.com/UpliftGames/wally-index"
-version = "0.6.0-nightly.20250526T001303Z"
+version = "0.6.0-nightly.20250520T001101Z"