diff --git a/lerna.json b/lerna.json
index f1858f7ecf..87ea522b04 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "npmClient": "yarn",
   "packages": [
     "packages/*"
diff --git a/packages/backend-core/package.json b/packages/backend-core/package.json
index 84d0814dd6..ddad708266 100644
--- a/packages/backend-core/package.json
+++ b/packages/backend-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@budibase/backend-core",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "description": "Budibase backend core libraries used in server and worker",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",
@@ -20,7 +20,7 @@
     "test:watch": "jest --watchAll"
   },
   "dependencies": {
-    "@budibase/types": "1.4.3-alpha.0",
+    "@budibase/types": "1.4.3-alpha.2",
     "@shopify/jest-koa-mocks": "5.0.1",
     "@techpass/passport-openidconnect": "0.3.2",
     "aws-sdk": "2.1030.0",
diff --git a/packages/backend-core/src/plugin/utils.js b/packages/backend-core/src/plugin/utils.js
index 020fb4484d..ade84bf44a 100644
--- a/packages/backend-core/src/plugin/utils.js
+++ b/packages/backend-core/src/plugin/utils.js
@@ -75,6 +75,15 @@ function validateDatasource(schema) {
         })
         .unknown(true)
         .required(),
+      extra: joi.object().pattern(
+        joi.string(),
+        joi.object({
+          type: joi.string().required(),
+          displayName: joi.string().required(),
+          required: joi.boolean(),
+          data: joi.object(),
+        })
+      ),
     }),
   })
   runJoi(validator, schema)
diff --git a/packages/bbui/package.json b/packages/bbui/package.json
index f6b58b0efc..8de3f1ced6 100644
--- a/packages/bbui/package.json
+++ b/packages/bbui/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@budibase/bbui",
   "description": "A UI solution used in the different Budibase projects.",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "license": "MPL-2.0",
   "svelte": "src/index.js",
   "module": "dist/bbui.es.js",
@@ -38,7 +38,7 @@
   ],
   "dependencies": {
     "@adobe/spectrum-css-workflow-icons": "^1.2.1",
-    "@budibase/string-templates": "1.4.3-alpha.0",
+    "@budibase/string-templates": "1.4.3-alpha.2",
     "@spectrum-css/actionbutton": "^1.0.1",
     "@spectrum-css/actiongroup": "^1.0.1",
     "@spectrum-css/avatar": "^3.0.2",
diff --git a/packages/builder/package.json b/packages/builder/package.json
index bd1c3ea0e1..d80a3cfacf 100644
--- a/packages/builder/package.json
+++ b/packages/builder/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@budibase/builder",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "license": "GPL-3.0",
   "private": true,
   "scripts": {
@@ -71,10 +71,10 @@
     }
   },
   "dependencies": {
-    "@budibase/bbui": "1.4.3-alpha.0",
-    "@budibase/client": "1.4.3-alpha.0",
-    "@budibase/frontend-core": "1.4.3-alpha.0",
-    "@budibase/string-templates": "1.4.3-alpha.0",
+    "@budibase/bbui": "1.4.3-alpha.2",
+    "@budibase/client": "1.4.3-alpha.2",
+    "@budibase/frontend-core": "1.4.3-alpha.2",
+    "@budibase/string-templates": "1.4.3-alpha.2",
     "@sentry/browser": "5.19.1",
     "@spectrum-css/page": "^3.0.1",
     "@spectrum-css/vars": "^3.0.1",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 415f5c3422..499acb5bfa 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@budibase/cli",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "description": "Budibase CLI, for developers, self hosting and migrations.",
   "main": "src/index.js",
   "bin": {
@@ -26,7 +26,7 @@
     "outputPath": "build"
   },
   "dependencies": {
-    "@budibase/backend-core": "1.4.3-alpha.0",
+    "@budibase/backend-core": "1.4.3-alpha.2",
     "axios": "0.21.2",
     "chalk": "4.1.0",
     "cli-progress": "3.11.2",
diff --git a/packages/client/package.json b/packages/client/package.json
index ad5b286b16..3ef11a24aa 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@budibase/client",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "license": "MPL-2.0",
   "module": "dist/budibase-client.js",
   "main": "dist/budibase-client.js",
@@ -19,9 +19,9 @@
     "dev:builder": "rollup -cw"
   },
   "dependencies": {
-    "@budibase/bbui": "1.4.3-alpha.0",
-    "@budibase/frontend-core": "1.4.3-alpha.0",
-    "@budibase/string-templates": "1.4.3-alpha.0",
+    "@budibase/bbui": "1.4.3-alpha.2",
+    "@budibase/frontend-core": "1.4.3-alpha.2",
+    "@budibase/string-templates": "1.4.3-alpha.2",
     "@spectrum-css/button": "^3.0.3",
     "@spectrum-css/card": "^3.0.3",
     "@spectrum-css/divider": "^1.0.3",
diff --git a/packages/frontend-core/package.json b/packages/frontend-core/package.json
index 203eb4cbe7..bac0f054ac 100644
--- a/packages/frontend-core/package.json
+++ b/packages/frontend-core/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@budibase/frontend-core",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "description": "Budibase frontend core libraries used in builder and client",
   "author": "Budibase",
   "license": "MPL-2.0",
   "svelte": "src/index.js",
   "dependencies": {
-    "@budibase/bbui": "1.4.3-alpha.0",
+    "@budibase/bbui": "1.4.3-alpha.2",
     "lodash": "^4.17.21",
     "svelte": "^3.46.2"
   }
diff --git a/packages/server/package.json b/packages/server/package.json
index 1dd263912e..ee6c109f64 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@budibase/server",
   "email": "hi@budibase.com",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "description": "Budibase Web Server",
   "main": "src/index.ts",
   "repository": {
@@ -77,11 +77,11 @@
   "license": "GPL-3.0",
   "dependencies": {
     "@apidevtools/swagger-parser": "10.0.3",
-    "@budibase/backend-core": "1.4.3-alpha.0",
-    "@budibase/client": "1.4.3-alpha.0",
-    "@budibase/pro": "1.4.3-alpha.0",
-    "@budibase/string-templates": "1.4.3-alpha.0",
-    "@budibase/types": "1.4.3-alpha.0",
+    "@budibase/backend-core": "1.4.3-alpha.2",
+    "@budibase/client": "1.4.3-alpha.2",
+    "@budibase/pro": "1.4.3-alpha.2",
+    "@budibase/string-templates": "1.4.3-alpha.2",
+    "@budibase/types": "1.4.3-alpha.2",
     "@bull-board/api": "3.7.0",
     "@bull-board/koa": "3.9.4",
     "@elastic/elasticsearch": "7.10.0",
diff --git a/packages/server/yarn.lock b/packages/server/yarn.lock
index 6c21a21c03..593ac07e79 100644
--- a/packages/server/yarn.lock
+++ b/packages/server/yarn.lock
@@ -1094,12 +1094,12 @@
   resolved "https://registry.yarnpkg.com/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz#75a2e8b51cb758a7553d6804a5932d7aace75c39"
   integrity sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==
 
-"@budibase/backend-core@1.4.3-alpha.0":
-  version "1.4.3-alpha.0"
-  resolved "https://registry.yarnpkg.com/@budibase/backend-core/-/backend-core-1.4.3-alpha.0.tgz#5b96bd4f41fb8692daeeb1ac95c2960b9344ca88"
-  integrity sha512-erkKqDBTJx4XXmVGclm63AVmFZL0ziR4Go1S5tJJHhLpxqrd3STN1HNzfCIi59f35Cqc0VMp9LouS2u0Uly+KQ==
+"@budibase/backend-core@1.4.3-alpha.2":
+  version "1.4.3-alpha.2"
+  resolved "https://registry.yarnpkg.com/@budibase/backend-core/-/backend-core-1.4.3-alpha.2.tgz#7e0ccffd393004e45c24cc633b296e2bdcd978a5"
+  integrity sha512-K40Hz2n0ESlfn4YWs5NL21kvY+NNX4aTatMyWBfz4ifio554ry0qZ6gZP4lxtj/shg5eedmldmDKJ2T+FiR2pA==
   dependencies:
-    "@budibase/types" "1.4.3-alpha.0"
+    "@budibase/types" "1.4.3-alpha.2"
     "@shopify/jest-koa-mocks" "5.0.1"
     "@techpass/passport-openidconnect" "0.3.2"
     aws-sdk "2.1030.0"
@@ -1180,13 +1180,13 @@
     svelte-flatpickr "^3.2.3"
     svelte-portal "^1.0.0"
 
-"@budibase/pro@1.4.3-alpha.0":
-  version "1.4.3-alpha.0"
-  resolved "https://registry.yarnpkg.com/@budibase/pro/-/pro-1.4.3-alpha.0.tgz#5e356146eb8822d21a22b2c280f4f7ff856277f5"
-  integrity sha512-xkPyFg0Nvv88GlnC7h1Hh3FhR8C3Y3UpUPdUNg7zpkEUs/q0r13R9lM8jSrY0CsqCJleTZ+G8AECS9V5sWBH/w==
+"@budibase/pro@1.4.3-alpha.2":
+  version "1.4.3-alpha.2"
+  resolved "https://registry.yarnpkg.com/@budibase/pro/-/pro-1.4.3-alpha.2.tgz#044aa5cf0e55793a914b9e0c6e931b8a9f5e8f39"
+  integrity sha512-TakJ8A8RY6VwxRYZ4528zD3rQOwJW422sNrUbOcOK9H08B/EFltXMZBP+Okk9sX8e9/8+0pxGQLQ6RdKHYYXww==
   dependencies:
-    "@budibase/backend-core" "1.4.3-alpha.0"
-    "@budibase/types" "1.4.3-alpha.0"
+    "@budibase/backend-core" "1.4.3-alpha.2"
+    "@budibase/types" "1.4.3-alpha.2"
     "@koa/router" "8.0.8"
     joi "17.6.0"
     node-fetch "^2.6.1"
@@ -1209,10 +1209,10 @@
     svelte-apexcharts "^1.0.2"
     svelte-flatpickr "^3.1.0"
 
-"@budibase/types@1.4.3-alpha.0":
-  version "1.4.3-alpha.0"
-  resolved "https://registry.yarnpkg.com/@budibase/types/-/types-1.4.3-alpha.0.tgz#7a440dc3c6bee2167dc1c8a6be1af717ef4764b4"
-  integrity sha512-0AuWmIGrXfhQvkWgoT8Uvsk+6lZhom5bE3JpI2mAmixiZKJSg+GPPFua1Uw1JLdjznVTropCDF2zoEPd/+oKxw==
+"@budibase/types@1.4.3-alpha.2":
+  version "1.4.3-alpha.2"
+  resolved "https://registry.yarnpkg.com/@budibase/types/-/types-1.4.3-alpha.2.tgz#55d52cb8f3fc1a56b9d5b008ddc9b3e46f3e078e"
+  integrity sha512-2kOrlHjtjfgYqaE8JAGV5X5FHSIzeb2LqSsUDzWHIlVWk9r0/bZ2NTvAvFMT5LSImfF4A4qbNXS0ZVtqjX2qzw==
 
 "@bull-board/api@3.7.0":
   version "3.7.0"
diff --git a/packages/string-templates/package.json b/packages/string-templates/package.json
index 11f32597cc..56ca048ee2 100644
--- a/packages/string-templates/package.json
+++ b/packages/string-templates/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@budibase/string-templates",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "description": "Handlebars wrapper for Budibase templating.",
   "main": "src/index.cjs",
   "module": "dist/bundle.mjs",
diff --git a/packages/types/package.json b/packages/types/package.json
index 09b7a7baf6..3d3ad95259 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@budibase/types",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "description": "Budibase types",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/packages/worker/package.json b/packages/worker/package.json
index 962cc03396..9a49ca9d5a 100644
--- a/packages/worker/package.json
+++ b/packages/worker/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@budibase/worker",
   "email": "hi@budibase.com",
-  "version": "1.4.3-alpha.0",
+  "version": "1.4.3-alpha.2",
   "description": "Budibase background service",
   "main": "src/index.ts",
   "repository": {
@@ -36,10 +36,10 @@
   "author": "Budibase",
   "license": "GPL-3.0",
   "dependencies": {
-    "@budibase/backend-core": "1.4.3-alpha.0",
-    "@budibase/pro": "1.4.3-alpha.0",
-    "@budibase/string-templates": "1.4.3-alpha.0",
-    "@budibase/types": "1.4.3-alpha.0",
+    "@budibase/backend-core": "1.4.3-alpha.2",
+    "@budibase/pro": "1.4.3-alpha.2",
+    "@budibase/string-templates": "1.4.3-alpha.2",
+    "@budibase/types": "1.4.3-alpha.2",
     "@koa/router": "8.0.8",
     "@sentry/node": "6.17.7",
     "@techpass/passport-openidconnect": "0.3.2",
diff --git a/packages/worker/src/api/routes/global/email.js b/packages/worker/src/api/routes/global/email.js
index b771728a0f..940bb4d134 100644
--- a/packages/worker/src/api/routes/global/email.js
+++ b/packages/worker/src/api/routes/global/email.js
@@ -10,7 +10,9 @@ const router = Router()
 function buildEmailSendValidation() {
   // prettier-ignore
   return joiValidator.body(Joi.object({
-    email: Joi.string().email(),
+    email: Joi.string().email({
+      multiple: true,
+      }),
     purpose: Joi.string().valid(...Object.values(EmailTemplatePurpose)),
     workspaceId: Joi.string().allow("", null),
     from: Joi.string().allow("", null),
diff --git a/packages/worker/yarn.lock b/packages/worker/yarn.lock
index d39f79b9cd..6df1ae5f67 100644
--- a/packages/worker/yarn.lock
+++ b/packages/worker/yarn.lock
@@ -291,12 +291,12 @@
   resolved "https://registry.yarnpkg.com/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz#75a2e8b51cb758a7553d6804a5932d7aace75c39"
   integrity sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==
 
-"@budibase/backend-core@1.4.3-alpha.0":
-  version "1.4.3-alpha.0"
-  resolved "https://registry.yarnpkg.com/@budibase/backend-core/-/backend-core-1.4.3-alpha.0.tgz#5b96bd4f41fb8692daeeb1ac95c2960b9344ca88"
-  integrity sha512-erkKqDBTJx4XXmVGclm63AVmFZL0ziR4Go1S5tJJHhLpxqrd3STN1HNzfCIi59f35Cqc0VMp9LouS2u0Uly+KQ==
+"@budibase/backend-core@1.4.3-alpha.2":
+  version "1.4.3-alpha.2"
+  resolved "https://registry.yarnpkg.com/@budibase/backend-core/-/backend-core-1.4.3-alpha.2.tgz#7e0ccffd393004e45c24cc633b296e2bdcd978a5"
+  integrity sha512-K40Hz2n0ESlfn4YWs5NL21kvY+NNX4aTatMyWBfz4ifio554ry0qZ6gZP4lxtj/shg5eedmldmDKJ2T+FiR2pA==
   dependencies:
-    "@budibase/types" "1.4.3-alpha.0"
+    "@budibase/types" "1.4.3-alpha.2"
     "@shopify/jest-koa-mocks" "5.0.1"
     "@techpass/passport-openidconnect" "0.3.2"
     aws-sdk "2.1030.0"
@@ -327,21 +327,21 @@
     uuid "8.3.2"
     zlib "1.0.5"
 
-"@budibase/pro@1.4.3-alpha.0":
-  version "1.4.3-alpha.0"
-  resolved "https://registry.yarnpkg.com/@budibase/pro/-/pro-1.4.3-alpha.0.tgz#5e356146eb8822d21a22b2c280f4f7ff856277f5"
-  integrity sha512-xkPyFg0Nvv88GlnC7h1Hh3FhR8C3Y3UpUPdUNg7zpkEUs/q0r13R9lM8jSrY0CsqCJleTZ+G8AECS9V5sWBH/w==
+"@budibase/pro@1.4.3-alpha.2":
+  version "1.4.3-alpha.2"
+  resolved "https://registry.yarnpkg.com/@budibase/pro/-/pro-1.4.3-alpha.2.tgz#044aa5cf0e55793a914b9e0c6e931b8a9f5e8f39"
+  integrity sha512-TakJ8A8RY6VwxRYZ4528zD3rQOwJW422sNrUbOcOK9H08B/EFltXMZBP+Okk9sX8e9/8+0pxGQLQ6RdKHYYXww==
   dependencies:
-    "@budibase/backend-core" "1.4.3-alpha.0"
-    "@budibase/types" "1.4.3-alpha.0"
+    "@budibase/backend-core" "1.4.3-alpha.2"
+    "@budibase/types" "1.4.3-alpha.2"
     "@koa/router" "8.0.8"
     joi "17.6.0"
     node-fetch "^2.6.1"
 
-"@budibase/types@1.4.3-alpha.0":
-  version "1.4.3-alpha.0"
-  resolved "https://registry.yarnpkg.com/@budibase/types/-/types-1.4.3-alpha.0.tgz#7a440dc3c6bee2167dc1c8a6be1af717ef4764b4"
-  integrity sha512-0AuWmIGrXfhQvkWgoT8Uvsk+6lZhom5bE3JpI2mAmixiZKJSg+GPPFua1Uw1JLdjznVTropCDF2zoEPd/+oKxw==
+"@budibase/types@1.4.3-alpha.2":
+  version "1.4.3-alpha.2"
+  resolved "https://registry.yarnpkg.com/@budibase/types/-/types-1.4.3-alpha.2.tgz#55d52cb8f3fc1a56b9d5b008ddc9b3e46f3e078e"
+  integrity sha512-2kOrlHjtjfgYqaE8JAGV5X5FHSIzeb2LqSsUDzWHIlVWk9r0/bZ2NTvAvFMT5LSImfF4A4qbNXS0ZVtqjX2qzw==
 
 "@cspotcode/source-map-consumer@0.8.0":
   version "0.8.0"