diff --git a/README.md b/README.md
index c1495a0d5..7cfa9d57a 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ import AppBtc from "@ledgerhq/hw-app-btc";
 const getBtcAddress = async () => {
   const transport = await Transport.create();
   const btc = new AppBtc(transport);
-  const result = await btc.getWalletPublicKey("44'/0'/0'/0");
+  const result = await btc.getWalletPublicKey("44'/0'/0'/0/0");
   return result.bitcoinAddress;
 };
 getBtcAddress().then(a => console.log(a));
diff --git a/lerna.json b/lerna.json
index d42eb9322..63ab55010 100644
--- a/lerna.json
+++ b/lerna.json
@@ -3,7 +3,7 @@
   "packages": [
     "packages/*"
   ],
-  "version": "4.16.0",
+  "version": "4.19.1",
   "npmClient": "yarn",
   "useWorkspaces": true
 }
diff --git a/packages/example-browser/package.json b/packages/example-browser/package.json
index 415cc4ded..6024f986a 100644
--- a/packages/example-browser/package.json
+++ b/packages/example-browser/package.json
@@ -6,9 +6,9 @@
     "build": "cross-env NODE_ENV=production parcel build index.html --no-minify --public-url /"
   },
   "dependencies": {
-    "@ledgerhq/hw-app-btc": "^4.15.0",
-    "@ledgerhq/hw-app-eth": "^4.15.0",
-    "@ledgerhq/hw-transport-u2f": "^4.15.0",
+    "@ledgerhq/hw-app-btc": "^4.19.0",
+    "@ledgerhq/hw-app-eth": "^4.19.0",
+    "@ledgerhq/hw-transport-u2f": "^4.19.0",
     "react": "^16.2.0",
     "react-dom": "^16.2.0"
   },
@@ -19,5 +19,5 @@
     "parcel-bundler": "^1.6.2"
   },
   "private": true,
-  "version": "4.15.0"
+  "version": "4.19.0"
 }
diff --git a/packages/example-node/package.json b/packages/example-node/package.json
index 1f898254a..f663a1d96 100644
--- a/packages/example-node/package.json
+++ b/packages/example-node/package.json
@@ -1,13 +1,13 @@
 {
   "private": true,
   "name": "@ledgerhq/example-node",
-  "version": "4.16.0",
+  "version": "4.19.1",
   "main": "index.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-app-btc": "^4.15.0",
-    "@ledgerhq/hw-app-eth": "^4.15.0",
-    "@ledgerhq/hw-transport-node-hid": "^4.16.0"
+    "@ledgerhq/hw-app-btc": "^4.19.0",
+    "@ledgerhq/hw-app-eth": "^4.19.0",
+    "@ledgerhq/hw-transport-node-hid": "^4.19.1"
   },
   "devDependencies": {
     "flow-bin": "^0.68.0",
diff --git a/packages/hw-app-ada/package.json b/packages/hw-app-ada/package.json
index dba51c558..ede7cebdc 100644
--- a/packages/hw-app-ada/package.json
+++ b/packages/hw-app-ada/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-app-ada",
-  "version": "4.16.0",
+  "version": "4.19.1",
   "description": "Ledger Hardware Wallet Cardano ADA API",
   "main": "lib/Ada.js",
   "repository": "git+ssh://git@github.com/LedgerHQ/ledgerjs.git",
@@ -17,11 +17,11 @@
   "author": "HiddenField Ltd <info@hiddenfield.com>",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0",
+    "@ledgerhq/hw-transport": "^4.19.0",
     "node-int64": "^0.4.0"
   },
   "devDependencies": {
-    "@ledgerhq/hw-transport-node-hid": "^4.16.0",
+    "@ledgerhq/hw-transport-node-hid": "^4.19.1",
     "chai": "^4.1.2",
     "chalk": "^2.3.1",
     "flow-bin": "^0.68.0",
diff --git a/packages/hw-app-btc/package.json b/packages/hw-app-btc/package.json
index 380837a56..4a54cf6a5 100644
--- a/packages/hw-app-btc/package.json
+++ b/packages/hw-app-btc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-app-btc",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet Bitcoin Application API",
   "keywords": [
     "Ledger",
@@ -25,7 +25,7 @@
   "main": "lib/Btc.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0",
+    "@ledgerhq/hw-transport": "^4.19.0",
     "create-hash": "^1.1.3"
   },
   "devDependencies": {
diff --git a/packages/hw-app-btc/src/Btc.js b/packages/hw-app-btc/src/Btc.js
index 13b84f380..d45a310d6 100644
--- a/packages/hw-app-btc/src/Btc.js
+++ b/packages/hw-app-btc/src/Btc.js
@@ -254,13 +254,15 @@ export default class Btc {
     newTransaction: boolean,
     firstRound: boolean,
     transactionData: Buffer,
-    bip143?: boolean = false
+    bip143?: boolean = false,
+    overwinter?: boolean = false
   ) {
+    const p2 = bip143 ? (overwinter ? 0x04 : 0x02) : 0x00;
     return this.transport.send(
       0xe0,
       0x44,
       firstRound ? 0x00 : 0x80,
-      newTransaction ? (bip143 ? 0x02 : 0x00) : 0x80,
+      newTransaction ? p2 : 0x80,
       transactionData
     );
   }
@@ -269,18 +271,21 @@ export default class Btc {
     newTransaction: boolean,
     transaction: Transaction,
     inputs: Array<{ trustedInput: boolean, value: Buffer }>,
-    bip143?: boolean = false
+    bip143?: boolean = false,
+    overwinter?: boolean = false
   ) {
     let data = Buffer.concat([
       transaction.version,
       transaction.timestamp || Buffer.alloc(0),
+      transaction.nVersionGroupId || Buffer.alloc(0),
       this.createVarint(transaction.inputs.length)
     ]);
     return this.startUntrustedHashTransactionInputRaw(
       newTransaction,
       true,
       data,
-      bip143
+      bip143,
+      overwinter
     ).then(() => {
       let i = 0;
       return eachSeries(transaction.inputs, input => {
@@ -303,7 +308,8 @@ export default class Btc {
           newTransaction,
           false,
           data,
-          bip143
+          bip143,
+          overwinter
         ).then(() => {
           let scriptBlocks = [];
           let offset = 0;
@@ -335,7 +341,8 @@ export default class Btc {
               newTransaction,
               false,
               scriptBlock,
-              bip143
+              bip143,
+              overwinter
             );
           }).then(() => {
             i++;
@@ -376,23 +383,34 @@ export default class Btc {
   signTransaction(
     path: string,
     lockTime?: number = DEFAULT_LOCKTIME,
-    sigHashType?: number = SIGHASH_ALL
+    sigHashType?: number = SIGHASH_ALL,
+    expiryHeight?: Buffer
   ): Promise<Buffer> {
     const paths = splitPath(path);
-    const buffer = Buffer.alloc(1 + paths.length * 4 + 1 + 4 + 1); // TODO shouldn't have to calc that, just use buffer concat all the way down
     let offset = 0;
-    buffer[offset++] = paths.length;
+    const pathsBuffer = Buffer.alloc(paths.length * 4);
     paths.forEach(element => {
-      buffer.writeUInt32BE(element, offset);
+      pathsBuffer.writeUInt32BE(element, offset);
       offset += 4;
     });
-    buffer[offset++] = 0x00; // authorization length
-    buffer.writeUInt32BE(lockTime, offset);
-    offset += 4;
-    buffer[offset++] = sigHashType;
+    const lockTimeBuffer = Buffer.alloc(4);
+    lockTimeBuffer.writeUInt32BE(lockTime, 0);
+    let buffer = Buffer.concat([
+      Buffer.from([paths.length]),
+      pathsBuffer,
+      Buffer.from([0x00]),
+      lockTimeBuffer,
+      Buffer.from([sigHashType])
+    ]);
+    if (expiryHeight) {
+      buffer = Buffer.concat([buffer, expiryHeight]);
+    }
     return this.transport.send(0xe0, 0x48, 0x00, 0x00, buffer).then(result => {
-      result[0] = 0x30;
-      return result.slice(0, result.length - 2);
+      if (result.length > 0) {
+        result[0] = 0x30;
+        return result.slice(0, result.length - 2);
+      }
+      return result;
     });
   }
 
@@ -479,9 +497,10 @@ export default class Btc {
    * @param outputScriptHex is the hexadecimal serialized outputs of the transaction to sign
    * @param lockTime is the optional lockTime of the transaction to sign, or default (0)
    * @param sigHashType is the hash type of the transaction to sign, or default (all)
-   * @param segwit is a boolean indicating wether to use segwit or not
-   * @param initialTimestamp is the timestamp when the function is called, not the one that the tx will include
+   * @param segwit is an optional boolean indicating wether to use segwit or not
+   * @param initialTimestamp is an optional timestamp of the function call to use for coins that necessitate timestamps only, (not the one that the tx will include)
    * @param additionals list of additionnal options ("abc" for bch, "gold" for btg, "bipxxx" for using BIPxxx)
+   * @param expiryHeight is an optional Buffer for zec overwinter Txs
    * @return the signed transaction ready to be broadcast
    * @example
 btc.createPaymentTransactionNew(
@@ -500,7 +519,8 @@ btc.createPaymentTransactionNew(
     sigHashType?: number = SIGHASH_ALL,
     segwit?: boolean = false,
     initialTimestamp?: number,
-    additionals?: Array<string>
+    additionals?: Array<string>,
+    expiryHeight?: Buffer
   ) {
     const hasTimestamp = initialTimestamp !== undefined;
     let startTime = Date.now();
@@ -509,13 +529,16 @@ btc.createPaymentTransactionNew(
       (!!additionals &&
         (additionals.includes("abc") ||
           additionals.includes("gold") ||
-          additionals.includes("bip143")));
+          additionals.includes("bip143"))) ||
+      !!expiryHeight;
     // Inputs are provided as arrays of [transaction, output_index, optional redeem script, optional sequence]
     // associatedKeysets are provided as arrays of [path]
     const nullScript = Buffer.alloc(0);
     const nullPrevout = Buffer.alloc(0);
     const defaultVersion = Buffer.alloc(4);
-    defaultVersion.writeUInt32LE(1, 0);
+    expiryHeight
+      ? defaultVersion.writeUInt32LE(0x80000003, 0)
+      : defaultVersion.writeUInt32LE(1, 0);
     const trustedInputs: Array<*> = [];
     const regularOutputs: Array<TransactionOutput> = [];
     const signatures = [];
@@ -548,13 +571,26 @@ btc.createPaymentTransactionNew(
             sequence
           });
         })
-      ).then(() => {
-        const { outputs } = input[0];
-        const index = input[1];
-        if (outputs && index <= outputs.length - 1) {
-          regularOutputs.push(outputs[index]);
-        }
-      });
+      )
+        .then(() => {
+          const { outputs } = input[0];
+          const index = input[1];
+          if (outputs && index <= outputs.length - 1) {
+            regularOutputs.push(outputs[index]);
+          }
+        })
+        .then(() => {
+          if (expiryHeight) {
+            targetTransaction.nVersionGroupId = Buffer.from([
+              0x70,
+              0x82,
+              0xc4,
+              0x03
+            ]);
+            targetTransaction.nExpiryHeight = expiryHeight;
+            targetTransaction.extraData = Buffer.from([0x00]);
+          }
+        });
     })
       .then(() => {
         for (let i = 0; i < inputs.length; i++) {
@@ -604,7 +640,8 @@ btc.createPaymentTransactionNew(
             true,
             targetTransaction,
             trustedInputs,
-            true
+            true,
+            !!expiryHeight
           ).then(() =>
             doIf(!resuming && typeof changePath != "undefined", () => {
               // $FlowFixMe
@@ -613,6 +650,11 @@ btc.createPaymentTransactionNew(
           )
         )
       )
+      .then(() =>
+        doIf(!!expiryHeight, () =>
+          this.signTransaction("", undefined, SIGHASH_ALL, expiryHeight)
+        )
+      )
       .then(() =>
         // Do the second run with the individual transaction
         foreach(inputs, (input, i) => {
@@ -627,8 +669,10 @@ btc.createPaymentTransactionNew(
                     Buffer.from([OP_EQUALVERIFY, OP_CHECKSIG])
                   ]);
           let pseudoTX = Object.assign({}, targetTransaction);
-          let pseudoTrustedInputs = segwit ? [trustedInputs[i]] : trustedInputs;
-          if (segwit) {
+          let pseudoTrustedInputs = useBip143
+            ? [trustedInputs[i]]
+            : trustedInputs;
+          if (useBip143) {
             pseudoTX.inputs = [{ ...pseudoTX.inputs[i], script }];
           } else {
             pseudoTX.inputs[i].script = script;
@@ -637,7 +681,8 @@ btc.createPaymentTransactionNew(
             !useBip143 && firstRun,
             pseudoTX,
             pseudoTrustedInputs,
-            useBip143
+            useBip143,
+            !!expiryHeight
           )
             .then(() =>
               doIf(!useBip143, () =>
@@ -648,7 +693,12 @@ btc.createPaymentTransactionNew(
               )
             )
             .then(() =>
-              this.signTransaction(associatedKeysets[i], lockTime, sigHashType)
+              this.signTransaction(
+                associatedKeysets[i],
+                lockTime,
+                sigHashType,
+                expiryHeight
+              )
             )
             .then(signature => {
               signatures.push(signature);
@@ -713,6 +763,13 @@ btc.createPaymentTransactionNew(
           }
           result = Buffer.concat([result, witness]);
         }
+        if (expiryHeight) {
+          result = Buffer.concat([
+            result,
+            targetTransaction.nExpiryHeight || Buffer.alloc(0),
+            targetTransaction.extraData || Buffer.alloc(0)
+          ]);
+        }
 
         result = Buffer.concat([result, lockTimeBuffer]);
 
@@ -875,8 +932,12 @@ const tx1 = btc.splitTransaction("01000000014ea60aeac5252c14291d428915bd7ccd1bfc
     var witness = false;
     let offset = 0;
     let timestamp = Buffer.alloc(0);
+    let nExpiryHeight = Buffer.alloc(0);
+    let nVersionGroupId = Buffer.alloc(0);
+    let extraData = Buffer.alloc(0);
     const transaction = Buffer.from(transactionHex, "hex");
     const version = transaction.slice(offset, offset + 4);
+    const overwinter = version.equals(Buffer.from([0x03, 0x00, 0x00, 0x80]));
     offset += 4;
     if (
       !hasTimestamp &&
@@ -890,6 +951,10 @@ const tx1 = btc.splitTransaction("01000000014ea60aeac5252c14291d428915bd7ccd1bfc
       timestamp = transaction.slice(offset, 4 + offset);
       offset += 4;
     }
+    if (overwinter) {
+      nVersionGroupId = transaction.slice(offset, 4 + offset);
+      offset += 4;
+    }
     let varint = this.getVarint(transaction, offset);
     const numberInputs = varint[0];
     offset += varint[1];
@@ -923,13 +988,22 @@ const tx1 = btc.splitTransaction("01000000014ea60aeac5252c14291d428915bd7ccd1bfc
     } else {
       locktime = transaction.slice(offset, offset + 4);
     }
+    if (overwinter) {
+      offset += 4;
+      nExpiryHeight = transaction.slice(offset, offset + 4);
+      offset += 4;
+      extraData = transaction.slice(offset);
+    }
     return {
       version,
       inputs,
       outputs,
       locktime,
       witness: witnessScript,
-      timestamp
+      timestamp,
+      nVersionGroupId,
+      nExpiryHeight,
+      extraData
     };
   }
 
@@ -985,13 +1059,16 @@ const outputScript = btc.serializeTransactionOutputs(tx1).toString('hex');
       outputBuffer = Buffer.concat([
         outputBuffer,
         (useWitness && transaction.witness) || Buffer.alloc(0),
-        transaction.locktime
+        transaction.locktime,
+        transaction.nExpiryHeight || Buffer.alloc(0),
+        transaction.extraData || Buffer.alloc(0)
       ]);
     }
 
     return Buffer.concat([
       transaction.version,
       timestamp ? timestamp : Buffer.alloc(0),
+      transaction.nVersionGroupId || Buffer.alloc(0),
       useWitness ? Buffer.from("0001", "hex") : Buffer.alloc(0),
       this.createVarint(transaction.inputs.length),
       inputBuffer,
@@ -1045,5 +1122,8 @@ type Transaction = {
   outputs?: TransactionOutput[],
   locktime?: Buffer,
   witness?: Buffer,
-  timestamp?: Buffer
+  timestamp?: Buffer,
+  nVersionGroupId?: Buffer,
+  nExpiryHeight?: Buffer,
+  extraData?: Buffer
 };
diff --git a/packages/hw-app-eth/package.json b/packages/hw-app-eth/package.json
index 720fff2c1..6e971e046 100644
--- a/packages/hw-app-eth/package.json
+++ b/packages/hw-app-eth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-app-eth",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet Ethereum Application API",
   "keywords": [
     "Ledger",
@@ -25,7 +25,7 @@
   "main": "lib/Eth.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0"
+    "@ledgerhq/hw-transport": "^4.19.0"
   },
   "devDependencies": {
     "flow-bin": "^0.68.0",
diff --git a/packages/hw-app-str/package.json b/packages/hw-app-str/package.json
index 821bcfe02..398bd9cb2 100644
--- a/packages/hw-app-str/package.json
+++ b/packages/hw-app-str/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-app-str",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet Stellar Application API",
   "keywords": [
     "Ledger",
@@ -25,7 +25,7 @@
   "main": "lib/Str.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0",
+    "@ledgerhq/hw-transport": "^4.19.0",
     "base32.js": "^0.1.0",
     "sha.js": "^2.3.6",
     "tweetnacl": "^1.0.0"
diff --git a/packages/hw-app-xrp/package.json b/packages/hw-app-xrp/package.json
index 51e84388a..020bff632 100644
--- a/packages/hw-app-xrp/package.json
+++ b/packages/hw-app-xrp/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-app-xrp",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet Ripple Application API",
   "keywords": [
     "Ledger",
@@ -25,7 +25,7 @@
   "main": "lib/Xrp.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0",
+    "@ledgerhq/hw-transport": "^4.19.0",
     "bip32-path": "0.4.2"
   },
   "devDependencies": {
diff --git a/packages/hw-hid-cli/package.json b/packages/hw-hid-cli/package.json
index 4cd422d5e..a42a363be 100644
--- a/packages/hw-hid-cli/package.json
+++ b/packages/hw-hid-cli/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-hid-cli",
-  "version": "4.16.0",
+  "version": "4.19.1",
   "description": "Ledger Hardware Wallet cli utility to send apdu to hid",
   "keywords": [
     "Ledger",
@@ -29,7 +29,7 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport-node-hid": "^4.16.0"
+    "@ledgerhq/hw-transport-node-hid": "^4.19.1"
   },
   "devDependencies": {
     "flow-bin": "^0.68.0",
diff --git a/packages/hw-http-proxy-devserver/package.json b/packages/hw-http-proxy-devserver/package.json
index a80c641d3..77fb8937c 100644
--- a/packages/hw-http-proxy-devserver/package.json
+++ b/packages/hw-http-proxy-devserver/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-http-proxy-devserver",
-  "version": "4.16.0",
+  "version": "4.19.1",
   "description": "Ledger Hardware Wallet debug communication layer http proxy (for development only)",
   "keywords": [
     "Ledger",
@@ -29,7 +29,7 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport-node-hid": "^4.16.0",
+    "@ledgerhq/hw-transport-node-hid": "^4.19.1",
     "body-parser": "^1.18.2",
     "cors": "^2.8.4",
     "express": "^4.16.3"
diff --git a/packages/hw-transport-http/package.json b/packages/hw-transport-http/package.json
index 7bea7289f..7637a511f 100644
--- a/packages/hw-transport-http/package.json
+++ b/packages/hw-transport-http/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-transport-http",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet communication layer over http",
   "keywords": [
     "Ledger",
@@ -25,7 +25,7 @@
   "main": "lib/HttpTransport.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0"
+    "@ledgerhq/hw-transport": "^4.19.0"
   },
   "devDependencies": {
     "flow-bin": "^0.68.0",
diff --git a/packages/hw-transport-mocker/package.json b/packages/hw-transport-mocker/package.json
index 43f5a7209..db6c2d9a2 100644
--- a/packages/hw-transport-mocker/package.json
+++ b/packages/hw-transport-mocker/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-transport-mocker",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet mocker utilities used for tests",
   "keywords": [
     "Ledger",
@@ -23,7 +23,7 @@
   "main": "lib/index.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0"
+    "@ledgerhq/hw-transport": "^4.19.0"
   },
   "devDependencies": {
     "flow-bin": "^0.68.0",
diff --git a/packages/hw-transport-node-hid/package.json b/packages/hw-transport-node-hid/package.json
index 339684882..96f1e8ae4 100644
--- a/packages/hw-transport-node-hid/package.json
+++ b/packages/hw-transport-node-hid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-transport-node-hid",
-  "version": "4.16.0",
+  "version": "4.19.1",
   "description": "Ledger Hardware Wallet Node implementation of the communication layer, using node-hid",
   "keywords": [
     "Ledger",
@@ -25,7 +25,7 @@
   "main": "lib/TransportNodeHid.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0",
+    "@ledgerhq/hw-transport": "^4.19.0",
     "node-hid": "^0.7.2"
   },
   "devDependencies": {
diff --git a/packages/hw-transport-node-hid/src/TransportNodeHid.js b/packages/hw-transport-node-hid/src/TransportNodeHid.js
index 45dfe54e4..1e86aff9d 100644
--- a/packages/hw-transport-node-hid/src/TransportNodeHid.js
+++ b/packages/hw-transport-node-hid/src/TransportNodeHid.js
@@ -26,7 +26,8 @@ function defer<T>(): Defer<T> {
   return { promise, resolve, reject };
 }
 
-let listenDevicesPollingInterval = 100;
+let listenDevicesPollingInterval = 500;
+let listenDevicesPollingSkip = () => false;
 
 /**
  * node-hid Transport implementation
@@ -39,21 +40,18 @@ export default class TransportNodeHid extends Transport<string> {
   device: HID.HID;
   ledgerTransport: boolean;
   timeout: number;
-  debug: boolean;
   exchangeStack: Array<*>;
 
   constructor(
     device: HID.HID,
-    ledgerTransport: boolean = true,
-    timeout: number = 0,
-    debug: boolean = false
+    ledgerTransport: boolean = true, // FIXME not used?
+    timeout: number = 0 // FIXME not used?
   ) {
     super();
     this.device = device;
     this.ledgerTransport = ledgerTransport;
     this.timeout = timeout;
     this.exchangeStack = [];
-    this.debug = debug;
   }
 
   static isSupported = (): Promise<boolean> =>
@@ -66,6 +64,10 @@ export default class TransportNodeHid extends Transport<string> {
     listenDevicesPollingInterval = delay;
   };
 
+  static setListenDevicesPollingSkip = (conditionToSkip: () => boolean) => {
+    listenDevicesPollingSkip = conditionToSkip;
+  };
+
   /**
    */
   static listen = (
@@ -81,7 +83,10 @@ export default class TransportNodeHid extends Transport<string> {
         }
       }
     });
-    const { events, stop } = listenDevices(listenDevicesPollingInterval);
+    const { events, stop } = listenDevices(
+      listenDevicesPollingInterval,
+      listenDevicesPollingSkip
+    );
 
     const onAdd = device => {
       if (unsubscribed || !device) return;
@@ -238,8 +243,9 @@ export default class TransportNodeHid extends Transport<string> {
         const deferred = this.exchangeStack[0];
 
         const send = content => {
-          if (this.debug) {
-            console.log("=>" + content.toString("hex"));
+          const { debug } = this;
+          if (debug) {
+            debug("=>" + content.toString("hex"));
           }
           const data = [0x00];
           for (let i = 0; i < content.length; i++) {
@@ -255,8 +261,9 @@ export default class TransportNodeHid extends Transport<string> {
               if (err || !res) reject(err);
               else {
                 const buffer = Buffer.from(res);
-                if (this.debug) {
-                  console.log("<=" + buffer.toString("hex"));
+                const { debug } = this;
+                if (debug) {
+                  debug("<=" + buffer.toString("hex"));
                 }
                 resolve(buffer);
               }
diff --git a/packages/hw-transport-node-hid/src/listenDevices.js b/packages/hw-transport-node-hid/src/listenDevices.js
index dc877f1e8..582fe64d9 100644
--- a/packages/hw-transport-node-hid/src/listenDevices.js
+++ b/packages/hw-transport-node-hid/src/listenDevices.js
@@ -4,7 +4,8 @@ import EventEmitter from "events";
 import getDevices from "./getDevices";
 
 export default (
-  delay: number = 100
+  delay: number,
+  listenDevicesPollingSkip: () => boolean
 ): {
   events: EventEmitter,
   stop: () => void
@@ -27,7 +28,7 @@ export default (
   let lastDevices = getFlatDevices();
 
   const checkDevices = () => {
-    timeoutDetection = setTimeout(() => {
+    if (!listenDevicesPollingSkip()) {
       const currentDevices = getFlatDevices();
 
       const newDevices = currentDevices.filter(d => !lastDevices.includes(d));
@@ -48,12 +49,11 @@ export default (
       }
 
       lastDevices = currentDevices;
-
-      checkDevices();
-    }, delay);
+    }
+    setTimeout(checkDevices, delay);
   };
 
-  checkDevices();
+  timeoutDetection = setTimeout(checkDevices, delay);
 
   return {
     stop: () => {
diff --git a/packages/hw-transport-u2f/package.json b/packages/hw-transport-u2f/package.json
index 9e0f7b963..3388964cb 100644
--- a/packages/hw-transport-u2f/package.json
+++ b/packages/hw-transport-u2f/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-transport-u2f",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet Web implementation of the communication layer, using U2F api",
   "keywords": [
     "Ledger",
@@ -26,7 +26,7 @@
   "main": "lib/TransportU2F.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0",
+    "@ledgerhq/hw-transport": "^4.19.0",
     "u2f-api": "0.2.7"
   },
   "devDependencies": {
diff --git a/packages/hw-transport-u2f/src/TransportU2F.js b/packages/hw-transport-u2f/src/TransportU2F.js
index 7deaac5d3..e4e7b28c7 100644
--- a/packages/hw-transport-u2f/src/TransportU2F.js
+++ b/packages/hw-transport-u2f/src/TransportU2F.js
@@ -33,7 +33,7 @@ const normal64 = (base64: string) =>
 function attemptExchange(
   apdu: Buffer,
   timeoutMillis: number,
-  debug: boolean,
+  debug: *,
   scrambleKey: Buffer
 ): Promise<Buffer> {
   const keyHandle = wrapApdu(apdu, scrambleKey);
@@ -48,7 +48,7 @@ function attemptExchange(
     appId: location.origin
   };
   if (debug) {
-    console.log("=> " + apdu.toString("hex"));
+    debug("=> " + apdu.toString("hex"));
   }
   return sign(signRequest, timeoutMillis / 1000).then(response => {
     const { signatureData } = response;
@@ -56,7 +56,7 @@ function attemptExchange(
       const data = Buffer.from(normal64(signatureData), "base64");
       const result = data.slice(5);
       if (debug) {
-        console.log("<= " + result.toString("hex"));
+        debug("<= " + result.toString("hex"));
       }
       return result;
     } else {
diff --git a/packages/hw-transport/package.json b/packages/hw-transport/package.json
index ba535860c..4c9a0265e 100644
--- a/packages/hw-transport/package.json
+++ b/packages/hw-transport/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/hw-transport",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet common interface of the communication layer",
   "keywords": [
     "Ledger",
diff --git a/packages/hw-transport/src/Transport.js b/packages/hw-transport/src/Transport.js
index 566bbcc6d..7bceaa3a1 100644
--- a/packages/hw-transport/src/Transport.js
+++ b/packages/hw-transport/src/Transport.js
@@ -121,7 +121,7 @@ TransportStatusError.prototype = new Error();
  * it can be for instance an ID, an file path, a URL,...
  */
 export default class Transport<Descriptor> {
-  debug: boolean = false;
+  debug: ?(log: string) => void = null;
   exchangeTimeout: number = 30000;
 
   /**
@@ -221,8 +221,13 @@ TransportFoo.open(descriptor).then(transport => ...)
   /**
    * Enable or not logs of the binary exchange
    */
-  setDebugMode(debug: boolean) {
-    this.debug = debug;
+  setDebugMode(debug: boolean | ((log: string) => void)) {
+    this.debug =
+      typeof debug === "function"
+        ? debug
+        : debug
+          ? log => console.log(log)
+          : null;
   }
 
   /**
diff --git a/packages/react-native-hid/package.json b/packages/react-native-hid/package.json
index cc7dff64c..80caed013 100755
--- a/packages/react-native-hid/package.json
+++ b/packages/react-native-hid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/react-native-hid",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "nativePackage": true,
   "description": "Ledger Hardware Wallet Web implementation of the communication layer, using U2F api",
   "keywords": [
@@ -27,7 +27,7 @@
   "main": "lib/index.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0"
+    "@ledgerhq/hw-transport": "^4.19.0"
   },
   "devDependencies": {
     "flow-bin": "^0.68.0",
diff --git a/packages/react-native-hw-transport-ble/package.json b/packages/react-native-hw-transport-ble/package.json
index 76c1308d7..55848152b 100644
--- a/packages/react-native-hw-transport-ble/package.json
+++ b/packages/react-native-hw-transport-ble/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/react-native-hw-transport-ble",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet bluetooth BLE implementation of the transport layer",
   "keywords": [
     "Ledger",
@@ -26,7 +26,7 @@
     "react-native-ble-plx": "^0.8.0"
   },
   "dependencies": {
-    "@ledgerhq/hw-transport": "^4.15.0",
+    "@ledgerhq/hw-transport": "^4.19.0",
     "invariant": "^2.2.4"
   },
   "devDependencies": {
diff --git a/packages/test/package.json b/packages/test/package.json
index 5d91d35c1..ddfc805c2 100644
--- a/packages/test/package.json
+++ b/packages/test/package.json
@@ -1,17 +1,17 @@
 {
   "private": true,
   "name": "@ledgerhq/test",
-  "version": "4.16.0",
+  "version": "4.19.1",
   "main": "index.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-app-ada": "^4.16.0",
-    "@ledgerhq/hw-app-btc": "^4.15.0",
-    "@ledgerhq/hw-app-eth": "^4.15.0",
-    "@ledgerhq/hw-app-str": "^4.15.0",
-    "@ledgerhq/hw-app-xrp": "^4.15.0",
-    "@ledgerhq/hw-transport-mocker": "^4.15.0",
-    "@ledgerhq/hw-transport-node-hid": "^4.16.0",
+    "@ledgerhq/hw-app-ada": "^4.19.1",
+    "@ledgerhq/hw-app-btc": "^4.19.0",
+    "@ledgerhq/hw-app-eth": "^4.19.0",
+    "@ledgerhq/hw-app-str": "^4.19.0",
+    "@ledgerhq/hw-app-xrp": "^4.19.0",
+    "@ledgerhq/hw-transport-mocker": "^4.19.0",
+    "@ledgerhq/hw-transport-node-hid": "^4.19.1",
     "budo": "^11.0.1"
   },
   "devDependencies": {
diff --git a/packages/web3-subprovider/package.json b/packages/web3-subprovider/package.json
index c0f1f4830..4345e1873 100644
--- a/packages/web3-subprovider/package.json
+++ b/packages/web3-subprovider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ledgerhq/web3-subprovider",
-  "version": "4.15.0",
+  "version": "4.19.0",
   "description": "Ledger Hardware Wallet Ethereum Web3 subprovider",
   "keywords": [
     "Ledger",
@@ -28,9 +28,9 @@
   "main": "lib/index.js",
   "license": "Apache-2.0",
   "dependencies": {
-    "@ledgerhq/hw-app-eth": "^4.15.0",
-    "@ledgerhq/hw-transport": "^4.15.0",
-    "@ledgerhq/hw-transport-u2f": "^4.15.0",
+    "@ledgerhq/hw-app-eth": "^4.19.0",
+    "@ledgerhq/hw-transport": "^4.19.0",
+    "@ledgerhq/hw-transport-u2f": "^4.19.0",
     "ethereumjs-tx": "^1.3.3",
     "strip-hex-prefix": "^1.0.0",
     "web3-provider-engine": "^14.0.2"
diff --git a/yarn.lock b/yarn.lock
index 6794b7b4d..e62e20fe3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -285,8 +285,8 @@ aproba@^1.0.3:
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
 
 are-we-there-yet@~1.1.2:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.4.tgz#bb5dca382bb94f05e15194373d16fd3ba1ca110d"
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz#4b35c2944f062a8bfcda66410760350fe9ddfc21"
   dependencies:
     delegates "^1.0.0"
     readable-stream "^2.0.6"
@@ -1828,6 +1828,17 @@ budo@^11.0.1:
     ws "^1.1.1"
     xtend "^4.0.0"
 
+buffer-alloc-unsafe@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
+
+buffer-alloc@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/buffer-alloc/-/buffer-alloc-1.2.0.tgz#890dd90d923a873e08e10e5fd51a57e5b7cce0ec"
+  dependencies:
+    buffer-alloc-unsafe "^1.1.0"
+    buffer-fill "^1.0.0"
+
 buffer-equal@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-0.0.1.tgz#91bc74b11ea405bc916bc6aa908faafa5b4aac4b"
@@ -1836,6 +1847,10 @@ buffer-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-1.0.0.tgz#59616b498304d556abd466966b22eeda3eca5fbe"
 
+buffer-fill@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-fill/-/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
+
 buffer-from@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.0.0.tgz#4cb8832d23612589b0406e9e2956c17f06fdf531"
@@ -3019,6 +3034,10 @@ deep-equal@^1.0.1, deep-equal@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
 
+deep-extend@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
+
 deep-extend@~0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
@@ -4135,8 +4154,8 @@ expand-range@^1.8.1:
     fill-range "^2.1.0"
 
 expand-template@^1.0.2:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/expand-template/-/expand-template-1.1.0.tgz#e09efba977bf98f9ee0ed25abd0c692e02aec3fc"
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/expand-template/-/expand-template-1.1.1.tgz#981f188c0c3a87d2e28f559bc541426ff94f21dd"
 
 expand-tilde@^2.0.0, expand-tilde@^2.0.2:
   version "2.0.2"
@@ -4555,6 +4574,10 @@ from2@^2.0.3:
     inherits "^2.0.1"
     readable-stream "^2.0.0"
 
+fs-constants@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
+
 fs-extra@3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-3.0.1.tgz#3794f378c58b342ea7dbbb23095109c4b3b62291"
@@ -7266,7 +7289,7 @@ mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
 
-nan@^2.0.5, nan@^2.0.7, nan@^2.2.1, nan@^2.3.0, nan@^2.6.2, nan@^2.9.2:
+nan@^2.0.5, nan@^2.0.7, nan@^2.10.0, nan@^2.2.1, nan@^2.3.0, nan@^2.9.2:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.10.0.tgz#96d0cd610ebd58d4b4de9cc0c6828cda99c7548f"
 
@@ -7322,8 +7345,8 @@ no-case@^2.2.0:
     lower-case "^1.1.1"
 
 node-abi@^2.2.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/node-abi/-/node-abi-2.3.0.tgz#f3d554d6ac72a9ee16f0f4dc9548db7c08de4986"
+  version "2.4.3"
+  resolved "https://registry.yarnpkg.com/node-abi/-/node-abi-2.4.3.tgz#43666b7b17e57863e572409edbb82115ac7af28b"
   dependencies:
     semver "^5.4.1"
 
@@ -7347,12 +7370,12 @@ node-forge@^0.7.1:
   resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.7.5.tgz#6c152c345ce11c52f465c2abd957e8639cd674df"
 
 node-hid@^0.7.2:
-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/node-hid/-/node-hid-0.7.2.tgz#15025cdea2e9756aca2de7266529996d40e52c56"
+  version "0.7.3"
+  resolved "https://registry.yarnpkg.com/node-hid/-/node-hid-0.7.3.tgz#736e9a4dee5eec96c20fbe301e0311bb185cb2f4"
   dependencies:
     bindings "^1.3.0"
-    nan "^2.6.2"
-    prebuild-install "^2.2.2"
+    nan "^2.10.0"
+    prebuild-install "^4.0.0"
 
 node-int64@^0.4.0:
   version "0.4.0"
@@ -8435,9 +8458,9 @@ posthtml@^0.11.2, posthtml@^0.11.3:
     posthtml-parser "^0.3.3"
     posthtml-render "^1.1.0"
 
-prebuild-install@^2.2.2:
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-2.5.1.tgz#0f234140a73760813657c413cdccdda58296b1da"
+prebuild-install@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-4.0.0.tgz#206ce8106ce5efa4b6cf062fc8a0a7d93c17f3a8"
   dependencies:
     detect-libc "^1.0.3"
     expand-template "^1.0.2"
@@ -8720,7 +8743,7 @@ raw-body@~1.1.0:
     bytes "1"
     string_decoder "0.10"
 
-rc@^1.0.1, rc@^1.1.6, rc@^1.1.7:
+rc@^1.0.1, rc@^1.1.7:
   version "1.2.6"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.6.tgz#eb18989c6d4f4f162c399f79ddd29f3835568092"
   dependencies:
@@ -8729,6 +8752,15 @@ rc@^1.0.1, rc@^1.1.6, rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
+rc@^1.1.6:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
+  dependencies:
+    deep-extend "^0.6.0"
+    ini "~1.3.0"
+    minimist "^1.2.0"
+    strip-json-comments "~2.0.1"
+
 react-dev-utils@^5.0.0:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/react-dev-utils/-/react-dev-utils-5.0.1.tgz#1f396e161fe44b595db1b186a40067289bf06613"
@@ -8893,7 +8925,7 @@ readable-stream@^1.0.33:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@~2.3.3:
+readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@~2.3.3:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
@@ -9633,8 +9665,8 @@ simple-concat@^1.0.0:
   resolved "https://registry.yarnpkg.com/simple-concat/-/simple-concat-1.0.0.tgz#7344cbb8b6e26fb27d66b2fc86f9f6d5997521c6"
 
 simple-get@^2.7.0:
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/simple-get/-/simple-get-2.7.0.tgz#ad37f926d08129237ff08c4f2edfd6f10e0380b5"
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/simple-get/-/simple-get-2.8.1.tgz#0e22e91d4575d87620620bc91308d57a77f44b5d"
   dependencies:
     decompress-response "^3.3.0"
     once "^1.3.1"
@@ -9987,7 +10019,7 @@ string-width@^1.0.0, string-width@^1.0.1, string-width@^1.0.2:
     is-fullwidth-code-point "^1.0.0"
     strip-ansi "^3.0.0"
 
-string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
+"string-width@^1.0.2 || 2", string-width@^2.0.0, string-width@^2.1.0, string-width@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   dependencies:
@@ -10266,8 +10298,8 @@ tape@^4.4.0, tape@^4.6.3, tape@^4.8.0:
     through "~2.3.8"
 
 tar-fs@^1.13.0:
-  version "1.16.0"
-  resolved "https://registry.yarnpkg.com/tar-fs/-/tar-fs-1.16.0.tgz#e877a25acbcc51d8c790da1c57c9cf439817b896"
+  version "1.16.3"
+  resolved "https://registry.yarnpkg.com/tar-fs/-/tar-fs-1.16.3.tgz#966a628841da2c4010406a82167cbd5e0c72d509"
   dependencies:
     chownr "^1.0.1"
     mkdirp "^0.5.1"
@@ -10288,12 +10320,15 @@ tar-pack@^3.4.0:
     uid-number "^0.0.6"
 
 tar-stream@^1.1.2:
-  version "1.5.5"
-  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.5.5.tgz#5cad84779f45c83b1f2508d96b09d88c7218af55"
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.6.1.tgz#f84ef1696269d6223ca48f6e1eeede3f7e81f395"
   dependencies:
     bl "^1.0.0"
+    buffer-alloc "^1.1.0"
     end-of-stream "^1.0.0"
-    readable-stream "^2.0.0"
+    fs-constants "^1.0.0"
+    readable-stream "^2.3.0"
+    to-buffer "^1.1.0"
     xtend "^4.0.0"
 
 tar@^2.2.1:
@@ -10458,6 +10493,10 @@ to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
 
+to-buffer@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/to-buffer/-/to-buffer-1.1.1.tgz#493bd48f62d7c43fcded313a03dcadb2e1213a80"
+
 to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
@@ -11326,10 +11365,10 @@ which@^1.2.12, which@^1.2.14, which@^1.2.4, which@^1.2.9, which@^1.3.0:
     isexe "^2.0.0"
 
 wide-align@^1.1.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.2.tgz#571e0f1b0604636ebc0dfc21b0339bbe31341710"
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
   dependencies:
-    string-width "^1.0.2"
+    string-width "^1.0.2 || 2"
 
 widest-line@^2.0.0:
   version "2.0.0"