diff --git a/package-lock.json b/package-lock.json
index 3f6a8c9..c481782 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mediabunny",
-  "version": "1.42.0-beta.3",
+  "version": "1.42.0-beta.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "mediabunny",
-      "version": "1.42.0-beta.3",
+      "version": "1.42.0-beta.4",
       "license": "MPL-2.0",
       "workspaces": [
         "packages/*"
@@ -12077,7 +12077,7 @@
     },
     "packages/aac-encoder": {
       "name": "@mediabunny/aac-encoder",
-      "version": "1.42.0-beta.3",
+      "version": "1.42.0-beta.4",
       "license": "MPL-2.0",
       "devDependencies": {
         "@types/emscripten": "^1.40.1"
@@ -12092,7 +12092,7 @@
     },
     "packages/ac3": {
       "name": "@mediabunny/ac3",
-      "version": "1.42.0-beta.3",
+      "version": "1.42.0-beta.4",
       "license": "MPL-2.0",
       "devDependencies": {
         "@types/emscripten": "^1.40.1"
@@ -12107,7 +12107,7 @@
     },
     "packages/flac-encoder": {
       "name": "@mediabunny/flac-encoder",
-      "version": "1.42.0-beta.3",
+      "version": "1.42.0-beta.4",
       "license": "MPL-2.0",
       "devDependencies": {
         "@types/emscripten": "^1.40.1"
@@ -12122,7 +12122,7 @@
     },
     "packages/mp3-encoder": {
       "name": "@mediabunny/mp3-encoder",
-      "version": "1.42.0-beta.3",
+      "version": "1.42.0-beta.4",
       "license": "MPL-2.0",
       "devDependencies": {
         "@types/emscripten": "^1.40.1"
diff --git a/package.json b/package.json
index 4968e9d..89ba049 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "mediabunny",
   "author": "Vanilagy",
-  "version": "1.42.0-beta.3",
+  "version": "1.42.0-beta.4",
   "description": "Pure TypeScript media toolkit for reading, writing, and converting media files, directly in the browser.",
   "type": "module",
   "workspaces": [
diff --git a/packages/aac-encoder/package.json b/packages/aac-encoder/package.json
index f712512..48d606c 100644
--- a/packages/aac-encoder/package.json
+++ b/packages/aac-encoder/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@mediabunny/aac-encoder",
   "author": "Vanilagy",
-  "version": "1.42.0-beta.3",
+  "version": "1.42.0-beta.4",
   "description": "AAC encoder extension for Mediabunny, based on FFmpeg.",
   "main": "./dist/bundles/mediabunny-aac-encoder.mjs",
   "module": "./dist/bundles/mediabunny-aac-encoder.mjs",
diff --git a/packages/ac3/package.json b/packages/ac3/package.json
index 83d17d6..ee6c993 100644
--- a/packages/ac3/package.json
+++ b/packages/ac3/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@mediabunny/ac3",
   "author": "Vanilagy",
-  "version": "1.42.0-beta.3",
+  "version": "1.42.0-beta.4",
   "description": "AC-3 and E-AC-3 (Dolby Digital) decoder and encoder extension for Mediabunny, based on FFmpeg.",
   "main": "./dist/bundles/mediabunny-ac3.mjs",
   "module": "./dist/bundles/mediabunny-ac3.mjs",
diff --git a/packages/flac-encoder/package.json b/packages/flac-encoder/package.json
index 0d48c91..6508e5b 100644
--- a/packages/flac-encoder/package.json
+++ b/packages/flac-encoder/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@mediabunny/flac-encoder",
   "author": "Vanilagy",
-  "version": "1.42.0-beta.3",
+  "version": "1.42.0-beta.4",
   "description": "FLAC encoder extension for Mediabunny, based on libFLAC.",
   "main": "./dist/bundles/mediabunny-flac-encoder.mjs",
   "module": "./dist/bundles/mediabunny-flac-encoder.mjs",
diff --git a/packages/mp3-encoder/package.json b/packages/mp3-encoder/package.json
index d764c1b..ff4a2ff 100644
--- a/packages/mp3-encoder/package.json
+++ b/packages/mp3-encoder/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@mediabunny/mp3-encoder",
   "author": "Vanilagy",
-  "version": "1.42.0-beta.3",
+  "version": "1.42.0-beta.4",
   "description": "MP3 encoder extension for Mediabunny, based on LAME.",
   "main": "./dist/bundles/mediabunny-mp3-encoder.mjs",
   "module": "./dist/bundles/mediabunny-mp3-encoder.mjs",
diff --git a/todo.txt b/todo.txt
index ef78284..d8f40b8 100644
--- a/todo.txt
+++ b/todo.txt
@@ -4,4 +4,7 @@ also I wish there was a more explicit way this was enforced and would error at r
 writablestream target?
 
 Thoughts:
-So, a certain "lookahead" logic is definitely needed. The question is if this is a per-demuxer thing or a general thing instead. The demuxer could get in a "packet query" that specifies things like "I am interested in the next 20 seconds guaranteed", allowing the demuxer to pre-fetch more intelligently. The alternative would be some sort of demuxer-agnostic approach where there is a magical "packet requester" that has to be segment-aware. I'm actually not sure if that's good.
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+So, a certain "lookahead" logic is definitely needed. The question is if this is a per-demuxer thing or a general thing instead. The demuxer could get in a "packet query" that specifies things like "I am interested in the next 20 seconds guaranteed", allowing the demuxer to pre-fetch more intelligently. The alternative would be some sort of demuxer-agnostic approach where there is a magical "packet requester" that has to be segment-aware. I'm actually not sure if that's good.
+
+
+- Remove createInputFrom. Much more elegant solution now that PathedSource is a thing!!
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