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 93b3ee6ee..26729d244 100644
--- a/packages/datafile-manager/package.json
+++ b/packages/datafile-manager/package.json
@@ -20,11 +20,7 @@
     "test": "__test__"
   },
   "files": [
-    "lib",
-    "LICENSE",
-    "CHANGELOG",
-    "README.md",
-    "package.json"
+    "lib"
   ],
   "publishConfig": {
     "access": "public"
@@ -61,10 +57,13 @@
     }
   },
   "scripts": {
+    "clean": "rm -rf lib",
     "lint": "tsc --noEmit && eslint --fix 'src/**/*.ts' '__test__/**/*.ts'",
     "test": "jest",
     "posttest": "npm run lint",
-    "tsc": "rm -rf lib && tsc",
-    "prepublishOnly": "npm run lint && npm test && npm run tsc"
+    "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 8a23faf28..035d5f561 100644
--- a/packages/event-processor/package.json
+++ b/packages/event-processor/package.json
@@ -13,16 +13,15 @@
     "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 4a9c5c8a1..f7b7510b1 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 788783124..5e86c1d29 100644
--- a/packages/optimizely-sdk/package.json
+++ b/packages/optimizely-sdk/package.json
@@ -23,7 +23,8 @@
     "cover": "nyc report -r lcov",
     "precoveralls": "npm run cover",
     "coveralls": "< 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",
@@ -87,11 +88,7 @@
   },
   "files": [
     "dist/",
-    "lib/",
-    "LICENSE",
-    "CHANGELOG",
-    "README.md",
-    "package.json"
+    "lib/"
   ],
   "nyc": {
     "temp-dir": "coverage/raw"
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 e9ad732c7..a27c6bdf0 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",