diff --git a/CHANGELOG.md b/CHANGELOG.md
index 313c7a4d8..31bc97fe4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@ Please refer to [Releases pre-certification-results](https://github.com/Lora-net
 
 ## [Unreleased]
 
+## [4.4.5] - 2020-10-14
+
 ### General
 
 - Release based on "LoRaWAN specification 1.0.3" and "LoRaWAN Regional Parameters v1.0.3revA"
@@ -23,6 +25,8 @@ Please refer to [Releases pre-certification-results](https://github.com/Lora-net
 - Added new specific board API to initialize the RF switch (`SX126xIoRfSwitchInit`)
 - Add to AS923 and KR920 regions a definition for the Rx bandwidth to be used while executing the LBT algorithm
 - Added support for other AS923 channel sub plan groups.
+- Added FPort filtering to loramac handler packages.
+- Added missing NVM update notifications
 
 ### Changed
 
@@ -30,6 +34,10 @@ Please refer to [Releases pre-certification-results](https://github.com/Lora-net
 - Changed hard coded `JoinAccept` max payload size (33) by `LORAMAC_JOIN_ACCEPT_FRAME_MAX_SIZE` definition.
 - Moved radio operating mode management to specific board implementation
 - Changed radio `IsChannelFree API` in order to provide reception bandwidth
+- Back port 1.0.4 region implementation improvements
+- Changed `RegionCommonComputeSymbolTimeLoRa`, `RegionCommonComputeSymbolTimeFsk` and `RegionCommonComputeRxWindowParameters`
+  API implementations to use integer divisions instead of double division.
+- Changed DeriveSessionKey10x and DeriveSessionKey11x functions API (Removed pointer based variable usage)
 
 ### Fixed
 
@@ -42,6 +50,13 @@ Please refer to [Releases pre-certification-results](https://github.com/Lora-net
 - Fixed `LoRaMacCrypto.c` conditional pre-processing.
 - Fixed missing `Rx1Frequency` reset for dynamic channel plans
 - Applied Japan ARIB restrictions to the `AS923_1_JP` sub plan
+- Applied Regional Parameters 1.0.3.revA ERRATA note concerning the ClassB beacon format
+- Fixed SAMR34 compiling issue when `USE_RADIO_DEBUG` directive is defined
+- Fixed `SX126xClearIrqStatus` call to only clear read flags
+- Fixed GFSK bandwidth handling for SX126x and LR1110 radios.
+- Fixed version handling for MC root keys derivation
+- Fixed Class B initialization.
+- Fixed duty-cycle implementation
 
 ## [4.4.4] - 2020-05-26
 
diff --git a/README.md b/README.md
index 695d4d31f..a4cb3ba12 100644
--- a/README.md
+++ b/README.md
@@ -22,8 +22,8 @@ This project has 3 active branches in place.
 
 | Branch        | L2 spec       | RP spec   | Tag/Milestone       | Class     | Comments      |
 | ------------- |:-------------:|:---------:|:---------:|:---------:|:--------------|
-| | [1.0.3](https://lora-alliance.org/resource-hub/lorawanr-specification-v103) | [v1.0.3revA](https://www.lora-alliance.org/resource-hub/lorawanr-regional-parameters-v103reva) | [v4.4.4](https://github.com/Lora-net/LoRaMac-node/releases/tag/v4.4.4) | A/B/C | LoRaWAN L2 1.0.3 - **_Released_** |
-| [master](https://github.com/Lora-net/LoRaMac-node/tree/master) | [1.0.3](https://lora-alliance.org/resource-hub/lorawanr-specification-v103) | [v1.0.3revA](https://www.lora-alliance.org/resource-hub/lorawanr-regional-parameters-v103reva) | [M 4.4.5](https://github.com/Lora-net/LoRaMac-node/milestone/7) | A/B/C | LoRaWAN L2 1.0.3 |
+| | [1.0.3](https://lora-alliance.org/resource-hub/lorawanr-specification-v103) | [v1.0.3revA](https://www.lora-alliance.org/resource-hub/lorawanr-regional-parameters-v103reva) | [v4.4.5](https://github.com/Lora-net/LoRaMac-node/releases/tag/v4.4.5) | A/B/C | LoRaWAN L2 1.0.3 - **_Released_** |
+| [master](https://github.com/Lora-net/LoRaMac-node/tree/master) | [1.0.3](https://lora-alliance.org/resource-hub/lorawanr-specification-v103) | [v1.0.3revA](https://www.lora-alliance.org/resource-hub/lorawanr-regional-parameters-v103reva) | [M 4.4.6](https://github.com/Lora-net/LoRaMac-node/milestone/8) | A/B/C | LoRaWAN L2 1.0.3 |
 | [develop](https://github.com/Lora-net/LoRaMac-node/tree/develop) | [1.0.4](https://lora-alliance.org/resource-hub) | [2-1.0.1](https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf) | [M 4.5.0](https://github.com/Lora-net/LoRaMac-node/milestone/5) | A/B/C |  LoRaWAN L2 1.0.4 |
 | [feature/5.0.0](https://github.com/Lora-net/LoRaMac-node/tree/feature/5.0.0) | [1.0.4](https://lora-alliance.org/resource-hub) / [1.1.1](https://lora-alliance.org/resource-hub/lorawanr-specification-v11) | [2-1.0.1](https://lora-alliance.org/sites/default/files/2020-02/rp_2-1.0.1.pdf) | [M 5.0.0](https://github.com/Lora-net/LoRaMac-node/milestone/3) | A/B/C |  LoRaWAN L2 1.0.4 / 1.1.1 |
 
diff --git a/src/apps/LoRaMac/fuota-test-01/B-L072Z-LRWAN1/main.c b/src/apps/LoRaMac/fuota-test-01/B-L072Z-LRWAN1/main.c
index d3816da2a..e4f26f90d 100644
--- a/src/apps/LoRaMac/fuota-test-01/B-L072Z-LRWAN1/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/B-L072Z-LRWAN1/main.c
@@ -321,7 +321,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/fuota-test-01/NAMote72/main.c b/src/apps/LoRaMac/fuota-test-01/NAMote72/main.c
index b7048893c..a1847cfea 100644
--- a/src/apps/LoRaMac/fuota-test-01/NAMote72/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/NAMote72/main.c
@@ -310,7 +310,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/fuota-test-01/NucleoL073/main.c b/src/apps/LoRaMac/fuota-test-01/NucleoL073/main.c
index e3cad873e..59d83c7b8 100644
--- a/src/apps/LoRaMac/fuota-test-01/NucleoL073/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/NucleoL073/main.c
@@ -306,7 +306,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/fuota-test-01/NucleoL152/main.c b/src/apps/LoRaMac/fuota-test-01/NucleoL152/main.c
index 2c5645bfb..c0e158fb8 100644
--- a/src/apps/LoRaMac/fuota-test-01/NucleoL152/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/NucleoL152/main.c
@@ -306,7 +306,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/fuota-test-01/NucleoL476/main.c b/src/apps/LoRaMac/fuota-test-01/NucleoL476/main.c
index 0077449db..c647f20fd 100644
--- a/src/apps/LoRaMac/fuota-test-01/NucleoL476/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/NucleoL476/main.c
@@ -306,7 +306,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/fuota-test-01/SAMR34/main.c b/src/apps/LoRaMac/fuota-test-01/SAMR34/main.c
index 3367c0c86..93ee12879 100644
--- a/src/apps/LoRaMac/fuota-test-01/SAMR34/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/SAMR34/main.c
@@ -279,7 +279,7 @@ int main( void )
     TimerSetValue( &Led1Timer, 100 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/fuota-test-01/SKiM880B/main.c b/src/apps/LoRaMac/fuota-test-01/SKiM880B/main.c
index 080349081..1ad597d3d 100644
--- a/src/apps/LoRaMac/fuota-test-01/SKiM880B/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/SKiM880B/main.c
@@ -294,7 +294,7 @@ int main( void )
     TimerSetValue( &Led2Timer, 100 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/fuota-test-01/SKiM881AXL/main.c b/src/apps/LoRaMac/fuota-test-01/SKiM881AXL/main.c
index 31be8b4b0..782495936 100644
--- a/src/apps/LoRaMac/fuota-test-01/SKiM881AXL/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/SKiM881AXL/main.c
@@ -294,7 +294,7 @@ int main( void )
     TimerSetValue( &Led2Timer, 100 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/fuota-test-01/SKiM980A/main.c b/src/apps/LoRaMac/fuota-test-01/SKiM980A/main.c
index 967ea88e7..b902a35fc 100644
--- a/src/apps/LoRaMac/fuota-test-01/SKiM980A/main.c
+++ b/src/apps/LoRaMac/fuota-test-01/SKiM980A/main.c
@@ -294,7 +294,7 @@ int main( void )
     TimerSetValue( &Led2Timer, 100 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "fuota-test-01", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/B-L072Z-LRWAN1/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/B-L072Z-LRWAN1/main.c
index c8376bbcf..03d595cc3 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/B-L072Z-LRWAN1/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/B-L072Z-LRWAN1/main.c
@@ -266,7 +266,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/NAMote72/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/NAMote72/main.c
index bf5f82f30..69ab0761b 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/NAMote72/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/NAMote72/main.c
@@ -255,7 +255,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL073/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL073/main.c
index 3e091e010..199b89f10 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL073/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL073/main.c
@@ -251,7 +251,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL152/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL152/main.c
index 66283ce32..eab404502 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL152/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL152/main.c
@@ -251,7 +251,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL476/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL476/main.c
index 6ffdb1c0b..655021431 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL476/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/NucleoL476/main.c
@@ -251,7 +251,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/SAMR34/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/SAMR34/main.c
index 03a33fba6..274d40cd4 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/SAMR34/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/SAMR34/main.c
@@ -250,7 +250,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/SKiM880B/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/SKiM880B/main.c
index aaa99c103..7900604e0 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/SKiM880B/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/SKiM880B/main.c
@@ -252,7 +252,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/SKiM881AXL/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/SKiM881AXL/main.c
index b69a83576..4891f4a78 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/SKiM881AXL/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/SKiM881AXL/main.c
@@ -252,7 +252,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );
diff --git a/src/apps/LoRaMac/periodic-uplink-lpp/SKiM980A/main.c b/src/apps/LoRaMac/periodic-uplink-lpp/SKiM980A/main.c
index f4b305e8d..56f9b6ac8 100644
--- a/src/apps/LoRaMac/periodic-uplink-lpp/SKiM980A/main.c
+++ b/src/apps/LoRaMac/periodic-uplink-lpp/SKiM980A/main.c
@@ -252,7 +252,7 @@ int main( void )
     TimerSetValue( &LedBeaconTimer, 5000 );
 
     const Version_t appVersion = { .Fields.Major = 1, .Fields.Minor = 0, .Fields.Patch = 0 };
-    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 3 };
+    const Version_t gitHubVersion = { .Fields.Major = 4, .Fields.Minor = 4, .Fields.Patch = 5 };
     DisplayAppInfo( "periodic-uplink-lpp", 
                     &appVersion,
                     &gitHubVersion );