diff --git a/bindings/core/Cargo.toml b/bindings/core/Cargo.toml
index 339198725d..291a429598 100644
--- a/bindings/core/Cargo.toml
+++ b/bindings/core/Cargo.toml
@@ -40,3 +40,4 @@ participation = ["iota-sdk/participation"]
 rocksdb = ["iota-sdk/rocksdb"]
 storage = ["iota-sdk/storage"]
 stronghold = ["iota-sdk/stronghold"]
+private_key_secret_manager = ["iota-sdk/private_key_secret_manager"]
diff --git a/bindings/nodejs-old/examples/ledger_nano.js b/bindings/nodejs-old/examples/ledger_nano.js
index 9221724bfa..7c263beb09 100644
--- a/bindings/nodejs-old/examples/ledger_nano.js
+++ b/bindings/nodejs-old/examples/ledger_nano.js
@@ -3,7 +3,7 @@ require('dotenv').config({ path: path.resolve(__dirname, '.env') });
 const { AccountManager, CoinType } = require('@iota/wallet');
 
 // In this example we will create addresses with a ledger nano hardware wallet
-// To use the ledger nano simulator clone https://github.com/iotaledger/ledger-shimmer-app, run `git submodule init && git submodule update --recursive`,
+// To use the ledger nano simulator clone https://github.com/iotaledger/ledger-iota-app, run `git submodule init && git submodule update --recursive`,
 // then `./build.sh -m nanos|nanox|nanosplus -s` and use `true` for `LedgerNano`.
 
 async function run() {
diff --git a/bindings/nodejs/CHANGELOG.md b/bindings/nodejs/CHANGELOG.md
index dc00ee7e7b..de9126299f 100644
--- a/bindings/nodejs/CHANGELOG.md
+++ b/bindings/nodejs/CHANGELOG.md
@@ -28,6 +28,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `GenericQueryParameter, UnlockableByAddress` types;
 - `Irc27Metadata` and `Irc30Metadata` helpers;
 - `Utils::outputHexBytes`;
+- `PrivateKeySecretManager`;
+
+## 1.0.12 - 2023-09-25
+
+### Changed
+
+- Made `TransactionOptions.allowMicroAmount` optional;
+
+### Fixed
+
+- Parsing of `RegularTransactionEssence.payload`;
+- Don't error if custom remainder address is provided with ledger nano;
 
 ## 1.0.11 - 2023-09-14
 
diff --git a/bindings/nodejs/Cargo.toml b/bindings/nodejs/Cargo.toml
index efb31c5732..0d438d149d 100644
--- a/bindings/nodejs/Cargo.toml
+++ b/bindings/nodejs/Cargo.toml
@@ -26,6 +26,7 @@ iota-sdk-bindings-core = { path = "../core", default-features = false, features
     "participation",
     "rocksdb",
     "mqtt",
+    "private_key_secret_manager"
 ] }
 
 log = { version = "0.4.20", default-features = false }
diff --git a/bindings/nodejs/examples/secret_manager/ledger-nano.ts b/bindings/nodejs/examples/secret_manager/ledger-nano.ts
index 667cba263f..14deeafd0c 100644
--- a/bindings/nodejs/examples/secret_manager/ledger-nano.ts
+++ b/bindings/nodejs/examples/secret_manager/ledger-nano.ts
@@ -8,7 +8,7 @@ require('dotenv').config({ path: '.env' });
 // yarn run-example ./secret_manager/ledger-nano.ts
 
 // In this example we will get the ledger status and generate an address
-// To use the ledger nano simulator clone https://github.com/iotaledger/ledger-shimmer-app, run `git submodule init && git submodule update --recursive`,
+// To use the ledger nano simulator clone https://github.com/iotaledger/ledger-iota-app, run `git submodule init && git submodule update --recursive`,
 // then `./build.sh -m nanos|nanox|nanosplus -s` and use `true` in `LedgerSecretManager::new(true)`.
 async function run() {
     initLogger();
diff --git a/bindings/nodejs/lib/types/block/payload/transaction/essence.ts b/bindings/nodejs/lib/types/block/payload/transaction/essence.ts
index ff72fa6a0b..b7ad1df95b 100644
--- a/bindings/nodejs/lib/types/block/payload/transaction/essence.ts
+++ b/bindings/nodejs/lib/types/block/payload/transaction/essence.ts
@@ -2,11 +2,11 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import { Type } from 'class-transformer';
-import { PayloadDiscriminator } from '..';
 import { HexEncodedString } from '../../../utils';
 import { Input, InputDiscriminator } from '../../input';
 import { Output, OutputDiscriminator } from '../../output';
-import { Payload } from '../payload';
+import { Payload, PayloadType } from '../payload';
+import { TaggedDataPayload } from '../tagged/tagged';
 
 /**
  * All of the essence types.
@@ -39,6 +39,16 @@ abstract class TransactionEssence {
     }
 }
 
+/**
+ * PayloadDiscriminator for payloads inside of a TransactionEssence.
+ */
+const PayloadDiscriminator = {
+    property: 'type',
+    subTypes: [
+        { value: TaggedDataPayload, name: PayloadType.TaggedData as any },
+    ],
+};
+
 /**
  * RegularTransactionEssence transaction essence.
  */
diff --git a/bindings/nodejs/lib/types/secret_manager/secret-manager.ts b/bindings/nodejs/lib/types/secret_manager/secret-manager.ts
index 34c777485a..0b7c9ae54d 100644
--- a/bindings/nodejs/lib/types/secret_manager/secret-manager.ts
+++ b/bindings/nodejs/lib/types/secret_manager/secret-manager.ts
@@ -33,11 +33,17 @@ export interface StrongholdSecretManager {
     };
 }
 
+/** Secret manager based on a single ED25519 private key. */
+export interface PrivateKeySecretManager {
+    privateKey: HexEncodedString;
+}
+
 /** Supported secret managers */
 export type SecretManagerType =
     | LedgerNanoSecretManager
     | MnemonicSecretManager
     | StrongholdSecretManager
+    | PrivateKeySecretManager
     | PlaceholderSecretManager;
 
 export interface Secp256k1EcdsaSignature {
diff --git a/bindings/nodejs/lib/types/wallet/transaction-options.ts b/bindings/nodejs/lib/types/wallet/transaction-options.ts
index c79292e99c..579760bb6f 100644
--- a/bindings/nodejs/lib/types/wallet/transaction-options.ts
+++ b/bindings/nodejs/lib/types/wallet/transaction-options.ts
@@ -26,7 +26,7 @@ export interface TransactionOptions {
     /** Optional note, that is only stored locally. */
     note?: string;
     /** Whether to allow sending a micro amount. */
-    allowMicroAmount: boolean;
+    allowMicroAmount?: boolean;
 }
 
 /** The possible remainder value strategies. */
diff --git a/bindings/python/examples/secret_manager/ledger_nano.py b/bindings/python/examples/secret_manager/ledger_nano.py
index a9f2f9420a..6a2266e307 100644
--- a/bindings/python/examples/secret_manager/ledger_nano.py
+++ b/bindings/python/examples/secret_manager/ledger_nano.py
@@ -5,7 +5,7 @@
 load_dotenv()
 
 # In this example we will get the ledger status and generate an address
-# To use the ledger nano simulator clone https://github.com/iotaledger/ledger-shimmer-app, run `git submodule init && git submodule update --recursive`,
+# To use the ledger nano simulator clone https://github.com/iotaledger/ledger-iota-app, run `git submodule init && git submodule update --recursive`,
 # then `./build.sh -m nanos|nanox|nanosplus -s` and use `True` in
 # `LedgerNanoSecretManager(True)`.
 
diff --git a/sdk/CHANGELOG.md b/sdk/CHANGELOG.md
index d713498848..0978ca8a2d 100644
--- a/sdk/CHANGELOG.md
+++ b/sdk/CHANGELOG.md
@@ -42,6 +42,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `migrate_db_chrysalis_to_stardust()` returns an error if no chrysalis data was found;
 
+### Fixed
+
+- Format of `milestoneIndex` query parameter of `ClientInner::event_status`;
+- Don't error if custom remainder address is provided with ledger nano;
+
 ## 1.0.3 - 2023-09-07
 
 ### Added
diff --git a/sdk/examples/client/ledger_nano.rs b/sdk/examples/client/ledger_nano.rs
index 3b83715854..cd0d2ea713 100644
--- a/sdk/examples/client/ledger_nano.rs
+++ b/sdk/examples/client/ledger_nano.rs
@@ -4,7 +4,7 @@
 //! In this example we will create testnet addresses with a simulated ledger nano hardware wallet.
 //!
 //! To use the ledger nano simulator, run the following commands:
-//! 1. `clone https://github.com/iotaledger/ledger-shimmer-app`
+//! 1. `clone https://github.com/iotaledger/ledger-iota-app`
 //! 2. `cd ledger-shimmer-app`
 //! 3. `git submodule init && git submodule update --recursive`
 //! 4. `./build.sh -m nanos|nanox|nanosplus -s`
diff --git a/sdk/examples/client/ledger_nano_transaction.rs b/sdk/examples/client/ledger_nano_transaction.rs
index 3029286067..05ec2b0f74 100644
--- a/sdk/examples/client/ledger_nano_transaction.rs
+++ b/sdk/examples/client/ledger_nano_transaction.rs
@@ -4,7 +4,7 @@
 //! In this example we will create a testnet transaction with a simulated ledger nano hardware wallet.
 //!
 //! To use the ledger nano simulator, run the following commands:
-//! 1. `clone https://github.com/iotaledger/ledger-shimmer-app`
+//! 1. `clone https://github.com/iotaledger/ledger-iota-app`
 //! 2. `cd ledger-shimmer-app`
 //! 3. `git submodule init && git submodule update --recursive`
 //! 4. `./build.sh -m nanos|nanox|nanosplus -s`
diff --git a/sdk/examples/wallet/ledger_nano.rs b/sdk/examples/wallet/ledger_nano.rs
index 3842bc9f88..caa272af05 100644
--- a/sdk/examples/wallet/ledger_nano.rs
+++ b/sdk/examples/wallet/ledger_nano.rs
@@ -4,7 +4,7 @@
 //! In this example we will create addresses with a ledger nano hardware wallet.
 //!
 //! To use the ledger nano simulator
-//! * clone https://github.com/iotaledger/ledger-shimmer-app,
+//! * clone https://github.com/iotaledger/ledger-iota-app,
 //! * run `git submodule init && git submodule update --recursive`,
 //! * run `./build.sh -m nanos|nanox|nanosplus -s`, and
 //! * use `true` in `LedgerSecretManager::new(true)`.
diff --git a/sdk/src/client/api/block_builder/input_selection/core/remainder.rs b/sdk/src/client/api/block_builder/input_selection/core/remainder.rs
index b4abf79145..bcd6716c87 100644
--- a/sdk/src/client/api/block_builder/input_selection/core/remainder.rs
+++ b/sdk/src/client/api/block_builder/input_selection/core/remainder.rs
@@ -21,9 +21,26 @@ use crate::{
 
 impl InputSelection {
     // Gets the remainder address from configuration of finds one from the inputs.
-    fn get_remainder_address(&self) -> Option<(Address, Option<Bip44>)> {
-        if self.remainder_address.is_some() {
-            return self.remainder_address.map(|address| (address, None));
+    fn get_remainder_address(&self) -> Result<Option<(Address, Option<Bip44>)>, Error> {
+        if let Some(remainder_address) = self.remainder_address {
+            // Search in inputs for the Bip44 chain for the remainder address, so the ledger can regenerate it
+            for input in self.available_inputs.iter().chain(self.selected_inputs.iter()) {
+                let alias_transition = is_alias_transition(
+                    &input.output,
+                    *input.output_id(),
+                    self.outputs.as_slice(),
+                    self.burn.as_ref(),
+                );
+                let (required_address, _) =
+                    input
+                        .output
+                        .required_and_unlocked_address(self.timestamp, input.output_id(), alias_transition)?;
+
+                if required_address == remainder_address {
+                    return Ok(Some((remainder_address, input.chain)));
+                }
+            }
+            return Ok(Some((remainder_address, None)));
         }
 
         for input in &self.selected_inputs {
@@ -33,19 +50,17 @@ impl InputSelection {
                 self.outputs.as_slice(),
                 self.burn.as_ref(),
             );
-            // PANIC: safe to unwrap as outputs with no address have been filtered out already.
             let required_address = input
                 .output
-                .required_and_unlocked_address(self.timestamp, input.output_id(), alias_transition)
-                .unwrap()
+                .required_and_unlocked_address(self.timestamp, input.output_id(), alias_transition)?
                 .0;
 
             if required_address.is_ed25519() {
-                return Some((required_address, input.chain));
+                return Ok(Some((required_address, input.chain)));
             }
         }
 
-        None
+        Ok(None)
     }
 
     pub(crate) fn remainder_amount(&self) -> Result<(u64, bool), Error> {
@@ -125,7 +140,7 @@ impl InputSelection {
             return Ok((None, storage_deposit_returns));
         }
 
-        let Some((remainder_address, chain)) = self.get_remainder_address() else {
+        let Some((remainder_address, chain)) = self.get_remainder_address()? else {
             return Err(Error::MissingInputWithEd25519Address);
         };
 
diff --git a/sdk/src/client/node_api/participation.rs b/sdk/src/client/node_api/participation.rs
index 928a63a56c..2985c10c7a 100644
--- a/sdk/src/client/node_api/participation.rs
+++ b/sdk/src/client/node_api/participation.rs
@@ -3,7 +3,7 @@
 
 //! IOTA node public participation routes.
 //! <https://github.com/iota-community/treasury/blob/main/specifications/hornet-participation-plugin.md#public-node-endpoints>
-//! <https://github.com/iotaledger/inx-participation/blob/develop/core/participation/routes.go>
+//! <https://github.com/iotaledger/inx-participation/blob/develop/components/participation/routes.go>
 
 use crate::{
     client::{ClientInner, Result},
@@ -49,7 +49,9 @@ impl ClientInner {
 
         self.get_request(
             &route,
-            milestone_index.map(|index| index.to_string()).as_deref(),
+            milestone_index
+                .map(|index| format!("milestoneIndex={index}"))
+                .as_deref(),
             false,
             false,
         )
diff --git a/sdk/src/client/secret/ledger_nano.rs b/sdk/src/client/secret/ledger_nano.rs
index 6baa8a4a1d..27d4797f17 100644
--- a/sdk/src/client/secret/ledger_nano.rs
+++ b/sdk/src/client/secret/ledger_nano.rs
@@ -295,17 +295,21 @@ impl SecretManage for LedgerSecretManager {
                 .map_err(Error::from)?;
         } else {
             // figure out the remainder address and bip32 index (if there is one)
+            #[allow(clippy::option_if_let_else)]
             let (remainder_address, remainder_bip32): (Option<&Address>, LedgerBIP32Index) =
                 match &prepared_transaction.remainder {
                     Some(a) => {
-                        let chain = a.chain.ok_or(Error::MissingBip32Chain)?;
-                        (
-                            Some(&a.address),
-                            LedgerBIP32Index {
-                                bip32_change: chain.change.harden().into(),
-                                bip32_index: chain.address_index.harden().into(),
-                            },
-                        )
+                        if let Some(chain) = a.chain {
+                            (
+                                Some(&a.address),
+                                LedgerBIP32Index {
+                                    bip32_change: chain.change.harden().into(),
+                                    bip32_index: chain.address_index.harden().into(),
+                                },
+                            )
+                        } else {
+                            (None, LedgerBIP32Index::default())
+                        }
                     }
                     None => (None, LedgerBIP32Index::default()),
                 };