diff --git a/packages/blaze-emulator/CHANGELOG.md b/packages/blaze-emulator/CHANGELOG.md
index 03bdacd..a284bc8 100644
--- a/packages/blaze-emulator/CHANGELOG.md
+++ b/packages/blaze-emulator/CHANGELOG.md
@@ -1,5 +1,14 @@
 # @blaze-cardano/emulator
 
+## 0.3.14
+
+### Patch Changes
+
+- Updated dependencies [bd6c264]
+- Updated dependencies [bd6c264]
+  - @blaze-cardano/tx@0.10.4
+  - @blaze-cardano/wallet@0.3.9
+
 ## 0.3.13
 
 ### Patch Changes
diff --git a/packages/blaze-emulator/package.json b/packages/blaze-emulator/package.json
index eced5cc..172bbf2 100644
--- a/packages/blaze-emulator/package.json
+++ b/packages/blaze-emulator/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@blaze-cardano/emulator",
-  "version": "0.3.13",
+  "version": "0.3.14",
   "description": "Blaze cardano emulator library",
   "exports": {
     ".": {
diff --git a/packages/blaze-sdk/CHANGELOG.md b/packages/blaze-sdk/CHANGELOG.md
index 3a3edc1..4735b61 100644
--- a/packages/blaze-sdk/CHANGELOG.md
+++ b/packages/blaze-sdk/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @blaze-cardano/sdk
 
+## 0.2.20
+
+### Patch Changes
+
+- Updated dependencies [5472a55]
+- Updated dependencies [bd6c264]
+- Updated dependencies [bd6c264]
+  - @blaze-cardano/uplc@0.2.4
+  - @blaze-cardano/tx@0.10.4
+  - @blaze-cardano/wallet@0.3.9
+
 ## 0.2.19
 
 ### Patch Changes
diff --git a/packages/blaze-sdk/package.json b/packages/blaze-sdk/package.json
index cc72d39..7900487 100644
--- a/packages/blaze-sdk/package.json
+++ b/packages/blaze-sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@blaze-cardano/sdk",
-  "version": "0.2.19",
+  "version": "0.2.20",
   "description": "Blaze cardano sdk library",
   "exports": {
     ".": {
diff --git a/packages/blaze-tx/CHANGELOG.md b/packages/blaze-tx/CHANGELOG.md
index 5ceeda6..8fb5fe7 100644
--- a/packages/blaze-tx/CHANGELOG.md
+++ b/packages/blaze-tx/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @blaze-cardano/tx
 
+## 0.10.4
+
+### Patch Changes
+
+- bd6c264: zero change outputs
+- bd6c264: Zero change outputs
+
 ## 0.10.3
 
 ### Patch Changes
diff --git a/packages/blaze-tx/package.json b/packages/blaze-tx/package.json
index ce85529..e08488d 100644
--- a/packages/blaze-tx/package.json
+++ b/packages/blaze-tx/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@blaze-cardano/tx",
-  "version": "0.10.3",
+  "version": "0.10.4",
   "description": "Blaze cardano transaction building library",
   "exports": {
     ".": {
diff --git a/packages/blaze-tx/src/tx.ts b/packages/blaze-tx/src/tx.ts
index 3e1e1c9..e90a8b7 100644
--- a/packages/blaze-tx/src/tx.ts
+++ b/packages/blaze-tx/src/tx.ts
@@ -1160,6 +1160,9 @@ export class TxBuilder {
    * @param {Value} excessValue - The excess value that needs to be returned as change.
    */
   private balanceChange(excessValue: Value) {
+    if (excessValue.coin() === 0n) {
+      return;
+    }
     // Retrieve the multiasset map from the excess value.
     const tokenMap = excessValue.multiasset();
     // If the multiasset map exists, iterate over its keys.
@@ -1626,12 +1629,6 @@ export class TxBuilder {
     excessValue = this.balanceMultiAssetChange(excessValue);
     // Balance the change output with the updated excess value.
     this.balanceChange(excessValue);
-    // Ensure a change output index has been set after balancing.
-    if (this.changeOutputIndex === undefined) {
-      throw new Error(
-        "Unreachable! Somehow change balancing succeeded but still failed.",
-      );
-    }
     // Build the transaction witness set for fee estimation and script validation.
     //excessValue = this.getPitch(false)
     let tw = this.buildTransactionWitnessSet();
@@ -1722,7 +1719,7 @@ export class TxBuilder {
 
       this.balanceChange(Value.fromCore(excessValue.toCore()));
       const changeOutput = this.body.outputs()[this.changeOutputIndex!]!;
-      if (changeOutput.amount().coin() > excessValue.coin()) {
+      if (changeOutput && changeOutput.amount().coin() > excessValue.coin()) {
         const excessDifference = value.merge(
           changeOutput!.amount(),
           value.negate(excessValue),
diff --git a/packages/blaze-uplc/CHANGELOG.md b/packages/blaze-uplc/CHANGELOG.md
index 0e316ba..9209cec 100644
--- a/packages/blaze-uplc/CHANGELOG.md
+++ b/packages/blaze-uplc/CHANGELOG.md
@@ -1,5 +1,14 @@
 # @blaze-cardano/uplc
 
+## 0.2.4
+
+### Patch Changes
+
+- 5472a55: Export decoder/encoder
+- Updated dependencies [bd6c264]
+- Updated dependencies [bd6c264]
+  - @blaze-cardano/tx@0.10.4
+
 ## 0.2.3
 
 ### Patch Changes
diff --git a/packages/blaze-uplc/package.json b/packages/blaze-uplc/package.json
index 7707a29..cc2702e 100644
--- a/packages/blaze-uplc/package.json
+++ b/packages/blaze-uplc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@blaze-cardano/uplc",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "description": "Blaze untyped plutus core library",
   "exports": {
     ".": {
diff --git a/packages/blaze-uplc/src/index.ts b/packages/blaze-uplc/src/index.ts
index 3e86da3..a3924d7 100644
--- a/packages/blaze-uplc/src/index.ts
+++ b/packages/blaze-uplc/src/index.ts
@@ -1,2 +1,4 @@
 /* Unfortunately no UPLC machine yet */
 export * from "./utils";
+export { UPLCDecoder } from "./decoder";
+export { UPLCEncoder } from "./encoder";
diff --git a/packages/blaze-wallet/CHANGELOG.md b/packages/blaze-wallet/CHANGELOG.md
index 8459dc3..2ce0afe 100644
--- a/packages/blaze-wallet/CHANGELOG.md
+++ b/packages/blaze-wallet/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @blaze-cardano/wallet
 
+## 0.3.9
+
+### Patch Changes
+
+- Updated dependencies [bd6c264]
+- Updated dependencies [bd6c264]
+  - @blaze-cardano/tx@0.10.4
+
 ## 0.3.8
 
 ### Patch Changes
diff --git a/packages/blaze-wallet/package.json b/packages/blaze-wallet/package.json
index 666d0b5..b1d615b 100644
--- a/packages/blaze-wallet/package.json
+++ b/packages/blaze-wallet/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@blaze-cardano/wallet",
-  "version": "0.3.8",
+  "version": "0.3.9",
   "description": "Blaze cardano wallet library",
   "exports": {
     ".": {