diff --git a/.gitignore b/.gitignore
index 52945c239..702b61d6d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,12 @@
-.DS_STORE
+node_modules/
+/packages/*/optimizely-*.tgz
+
 npm-debug.log
-dist
-node_modules
 lerna-debug.log
 
 coverage/
+dist/
 
+# user-specific ignores ought to be defined in user's `core.excludesfile`
 .idea/*
+.DS_STORE
diff --git a/packages/datafile-manager/package.json b/packages/datafile-manager/package.json
index 724fa1bee..4e0c051d9 100644
--- a/packages/datafile-manager/package.json
+++ b/packages/datafile-manager/package.json
@@ -19,11 +19,7 @@
     "test": "__test__"
   },
   "files": [
-    "lib",
-    "LICENSE",
-    "CHANGELOG",
-    "README.md",
-    "package.json"
+    "lib"
   ],
   "publishConfig": {
     "access": "public"
@@ -55,9 +51,13 @@
     "@react-native-community/async-storage": "^1.2.0"
   },
   "scripts": {
+    "clean": "rm -rf lib",
     "lint": "tsc --noEmit && eslint --fix 'src/**/*.ts' '__test__/**/*.ts'",
     "test": "jest",
-    "tsc": "rm -rf lib && tsc",
-    "prepublishOnly": "npm run lint && npm test && npm run tsc"
+    "posttest": "npm run lint",
+    "prebuild": "npm run clean",
+    "build": "tsc",
+    "prepare": "npm run build",
+    "prepublishOnly": "npm test"
   }
 }
diff --git a/packages/event-processor/CHANGELOG.MD b/packages/event-processor/CHANGELOG.md
similarity index 100%
rename from packages/event-processor/CHANGELOG.MD
rename to packages/event-processor/CHANGELOG.md
diff --git a/packages/event-processor/package.json b/packages/event-processor/package.json
index 8456656c9..2496e7b95 100644
--- a/packages/event-processor/package.json
+++ b/packages/event-processor/package.json
@@ -12,16 +12,15 @@
     "test": "test"
   },
   "files": [
-    "lib",
-    "LICENSE",
-    "CHANGELOG",
-    "README.md",
-    "package.json"
+    "lib"
   ],
   "scripts": {
-    "tsc": "rm -rf lib && tsc",
+    "clean": "rm -rf lib",
+    "prebuild": "npm run clean",
+    "build": "tsc",
     "test": "jest",
-    "prepublishOnly": "jest && npm run tsc"
+    "prepare": "npm run build",
+    "prepublishOnly": "npm test"
   },
   "repository": {
     "type": "git",
diff --git a/packages/logging/CHANGELOG.MD b/packages/logging/CHANGELOG.md
similarity index 100%
rename from packages/logging/CHANGELOG.MD
rename to packages/logging/CHANGELOG.md
diff --git a/packages/logging/package.json b/packages/logging/package.json
index c0f5f0bd3..8ee8cb590 100644
--- a/packages/logging/package.json
+++ b/packages/logging/package.json
@@ -12,16 +12,15 @@
     "test": "test"
   },
   "files": [
-    "lib",
-    "LICENSE",
-    "CHANGELOG",
-    "README.md",
-    "package.json"
+    "lib"
   ],
   "scripts": {
-    "tsc": "rm -rf lib && tsc",
+    "clean": "rm -rf lib",
+    "prebuild": "npm run clean",
+    "build": "tsc",
     "test": "jest",
-    "prepublishOnly": "jest && npm run tsc"
+    "prepare": "npm run build",
+    "prepublishOnly": "npm test"
   },
   "repository": {
     "type": "git",
diff --git a/packages/optimizely-sdk/CHANGELOG.MD b/packages/optimizely-sdk/CHANGELOG.md
similarity index 100%
rename from packages/optimizely-sdk/CHANGELOG.MD
rename to packages/optimizely-sdk/CHANGELOG.md
diff --git a/packages/optimizely-sdk/package.json b/packages/optimizely-sdk/package.json
index 435619a81..02e9683f1 100644
--- a/packages/optimizely-sdk/package.json
+++ b/packages/optimizely-sdk/package.json
@@ -9,17 +9,18 @@
   "typings": "lib/index.d.ts",
   "scripts": {
     "clean": "rm -rf dist",
+    "lint": "eslint 'lib/**/*.js'",
     "test": "mocha ./lib/*.tests.js ./lib/**/*.tests.js ./lib/**/**/*tests.js --recursive --exit --require esm --require lib/tests/exit_on_unhandled_rejection.js",
+    "test-ci": "npm run test-xbrowser && npm run test-umdbrowser",
     "test-xbrowser": "karma start karma.bs.conf.js --single-run",
     "test-umdbrowser": "npm run build-browser-umd && karma start karma.umd.conf.js --single-run",
     "prebuild": "npm run clean",
     "build": "rollup -c",
     "build-browser-umd": "rollup -c --config-umd",
-    "test-ci": "npm run test-xbrowser && npm run test-umdbrowser",
-    "lint": "eslint 'lib/**/*.js'",
     "cover": "istanbul cover _mocha ./lib/*.tests.js ./lib/**/*.tests.js ./lib/**/**/*tests.js",
     "coveralls": "npm run cover -- --report lcovonly && cat ./coverage/lcov.info | coveralls",
-    "prepublishOnly": "npm run build && npm test && npm run test-xbrowser && npm run test-umdbrowser"
+    "prepare": "npm run build",
+    "prepublishOnly": "npm test && npm run test-ci"
   },
   "repository": {
     "type": "git",
@@ -76,11 +77,7 @@
     "access": "public"
   },
   "files": [
-    "dist/",
-    "lib/",
-    "LICENSE",
-    "CHANGELOG",
-    "README.md",
-    "package.json"
+    "dist",
+    "lib"
   ]
 }
diff --git a/packages/utils/CHANGELOG.MD b/packages/utils/CHANGELOG.md
similarity index 100%
rename from packages/utils/CHANGELOG.MD
rename to packages/utils/CHANGELOG.md
diff --git a/packages/utils/package.json b/packages/utils/package.json
index b44ec0b15..8f4e2acda 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -12,16 +12,15 @@
     "test": "test"
   },
   "files": [
-    "lib",
-    "LICENSE",
-    "CHANGELOG",
-    "README.md",
-    "package.json"
+    "lib"
   ],
   "scripts": {
-    "tsc": "rm -rf lib && tsc",
+    "clean": "rm -rf lib",
+    "prebuild": "npm run clean",
+    "build": "tsc",
     "test": "jest",
-    "prepublishOnly": "jest && npm run tsc"
+    "prepare": "npm run build",
+    "prepublishOnly": "npm test"
   },
   "repository": {
     "type": "git",