diff --git a/extra/stm_exp_pack/.project/Cesanta.I-CUBE-Mongoose.pdsc b/extra/stm_exp_pack/.project/Cesanta.I-CUBE-Mongoose.pdsc
index 9c8b9953..11e2213f 100644
--- a/extra/stm_exp_pack/.project/Cesanta.I-CUBE-Mongoose.pdsc
+++ b/extra/stm_exp_pack/.project/Cesanta.I-CUBE-Mongoose.pdsc
@@ -7,7 +7,7 @@
     <license>License.txt</license>
     <supportContact>https://mongoose.ws/contact/</supportContact>
     <releases>
-        <release date="2025-11-19" version="7.20.0">See https://github.com/cesanta/mongoose/releases/tag/7.20</release>
+        <release date="2026-04-08" version="7.21.0">See https://github.com/cesanta/mongoose/releases/tag/7.21</release>
         <release date="2024-03-01" version="7.13.0">See https://github.com/cesanta/mongoose/releases/tag/7.13</release>
     </releases>
     <keywords>
@@ -23,7 +23,7 @@
         </condition>
     </conditions>
     <components>
-        <component Cclass="Network Library" Cgroup="Mongoose" Cversion="7.20.0" maxInstances="1">
+        <component Cclass="Network Library" Cgroup="Mongoose" Cversion="7.21.0" maxInstances="1">
             <description>Mongoose HTTP/MQTT/Websocket Library</description>
             <files>
                 <file category="source" name="Middlewares/Third_Party/Mongoose/mongoose.c"/>
@@ -32,7 +32,7 @@
                 <file category="doc" name="Documentation/GettingStarted.html"/>
             </files>
         </component>
-        <component Cclass="Network Library" Cgroup="Minimal" Cversion="7.20.0" maxInstances="1">
+        <component Cclass="Network Library" Cgroup="Minimal" Cversion="7.21.0" maxInstances="1">
             <description>Add the simplest basic functionality, as described in Mongoose User Guide
 https://mongoose.ws/documentation/#user-guide</description>
             <files>
@@ -41,7 +41,7 @@ https://mongoose.ws/documentation/#user-guide</description>
         </component>
     </components>
     <examples>
-        <example doc="README.md" folder="Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-baremetal" name="nucleo-f746zg-cube-baremetal" public="false" version="7.20.0">
+        <example doc="README.md" folder="Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-baremetal" name="nucleo-f746zg-cube-baremetal" public="false" version="7.21.0">
             <description>Baremetal web device dashboard on NUCLEO-F746ZG, built on STM32CubeIDE</description>
             <board Dvendor="STMicroelectronics:13" name="NUCLEO-F746ZG" vendor="STMicroelectronics"/>
             <project>
@@ -58,7 +58,7 @@ https://mongoose.ws/documentation/#user-guide</description>
                 <keyword>network</keyword>
             </attributes>
         </example>
-        <example doc="README.md" folder="Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-freertos-lwip" name="nucleo-f746zg-cube-freertos-lwip" public="false" version="7.20.0">
+        <example doc="README.md" folder="Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-freertos-lwip" name="nucleo-f746zg-cube-freertos-lwip" public="false" version="7.21.0">
             <description>Web device dashboard using Mongoose over FreeRTOS + lwIP on a NUCLEO-F746ZG, built on STM32CubeIDE</description>
             <board Dvendor="STMicroelectronics:13" name="NUCLEO-F746ZG" vendor="STMicroelectronics"/>
             <project>
@@ -75,7 +75,7 @@ https://mongoose.ws/documentation/#user-guide</description>
                 <keyword>network</keyword>
             </attributes>
         </example>
-        <example doc="README.md" folder="Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-freertos" name="nucleo-f746zg-cube-freertos" public="false" version="7.20.0">
+        <example doc="README.md" folder="Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-freertos" name="nucleo-f746zg-cube-freertos" public="false" version="7.21.0">
             <description>Web device dashboard using Mongoose as a FreeRTOS task on a NUCLEO-F746ZG, built on STM32CubeIDE</description>
             <board Dvendor="STMicroelectronics:13" name="NUCLEO-F746ZG" vendor="STMicroelectronics"/>
             <project>
diff --git a/extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.20.0_Configs.xml b/extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.21.0_Configs.xml
similarity index 94%
rename from extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.20.0_Configs.xml
rename to extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.21.0_Configs.xml
index 734df035..cd8e4830 100644
--- a/extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.20.0_Configs.xml
+++ b/extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.21.0_Configs.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<IP xmlns="http://mcd.rou.st.com/modules.php?name=mcu" xmlns:ns0="http://www.w3.org/2001/XMLSchema-instance" DBVersion="V4.0" Name="I-CUBE-Mongoose" RootFolder="Packs/Cesanta/I-CUBE-Mongoose/7.20.0/" Version="7.20.0" ns0:schemaLocation="http://mcd.rou.st.com/modules.php?name=mcu ../../../../../../../doc/V4/Development/Specifications/db/thirdPartyDb.xsd">
+<IP xmlns="http://mcd.rou.st.com/modules.php?name=mcu" xmlns:ns0="http://www.w3.org/2001/XMLSchema-instance" DBVersion="V4.0" Name="I-CUBE-Mongoose" RootFolder="Packs/Cesanta/I-CUBE-Mongoose/7.21.0/" Version="7.21.0" ns0:schemaLocation="http://mcd.rou.st.com/modules.php?name=mcu ../../../../../../../doc/V4/Development/Specifications/db/thirdPartyDb.xsd">
     <RefConfig Name="NetworkOoLibraryJjMongoose">
         <Component Name="NetworkOoLibrary:Mongoose:$NetworkOoLibraryJjMongoose"/>
         <ConfigFile Name="config"/>
@@ -12,11 +12,11 @@
         <Argument Added="true" AddressOf="false" GenericType="simple" Name="MG_ENABLE_PACKED_FS" OptimizationCondition="equal"/>
         <Argument Added="true" AddressOf="false" GenericType="simple" Name="MG_STMPACK_TLS" OptimizationCondition="equal"/>
     </RefConfigFile>
-    <RefComponent Cclass="NetworkOoLibrary" Cgroup="Mongoose" Cversion="7Gg20Gg0">
+    <RefComponent Cclass="NetworkOoLibrary" Cgroup="Mongoose" Cversion="7Gg21Gg0">
         <File Category="source" Condition="" Name="Middlewares/Third_Party/Mongoose/mongoose.c"/>
         <File Category="header" Condition="" Name="Middlewares/Third_Party/Mongoose/mongoose.h"/>
     </RefComponent>
-    <RefComponent Cclass="NetworkOoLibrary" Cgroup="Minimal" Cversion="7Gg20Gg0">
+    <RefComponent Cclass="NetworkOoLibrary" Cgroup="Minimal" Cversion="7Gg21Gg0">
         <File Category="other" Condition="" Name="Middlewares/Third_Party/Mongoose/Makefile"/>
     </RefComponent>
 </IP>
diff --git a/extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.20.0_Modes.xml b/extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.21.0_Modes.xml
similarity index 93%
rename from extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.20.0_Modes.xml
rename to extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.21.0_Modes.xml
index cd716bcd..4cefa6ee 100644
--- a/extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.20.0_Modes.xml
+++ b/extra/stm_exp_pack/.project/STM32CubeMX/Cesanta.I-CUBE-Mongoose.7.21.0_Modes.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<IP xmlns="http://mcd.rou.st.com/modules.php?name=mcu" DBVersion="V4.0" IPType="Thirdparty" IpGroup="Additional Software" Name="Cesanta.I-CUBE-Mongoose" Version="7.20.0" xmlns:ns0="http://www.w3.org/2001/XMLSchema-instance" ns0:schemaLocation="http://mcd.rou.st.com/modules.php?name=mcu ../../../../../../../doc/V4/Development/Specifications/db/IP_Modes.xsd">
+<IP xmlns="http://mcd.rou.st.com/modules.php?name=mcu" DBVersion="V4.0" IPType="Thirdparty" IpGroup="Additional Software" Name="Cesanta.I-CUBE-Mongoose" Version="7.21.0" xmlns:ns0="http://www.w3.org/2001/XMLSchema-instance" ns0:schemaLocation="http://mcd.rou.st.com/modules.php?name=mcu ../../../../../../../doc/V4/Development/Specifications/db/IP_Modes.xsd">
     <!--Generated by CubeMX-->
     <RefMode Abstract="true" Name="NetworkOoLibraryJjMongoose">
         <ConfigForMode>NetworkOoLibraryJjMongoose</ConfigForMode>
@@ -16,7 +16,7 @@
             <ModeLogicOperator Name="OR">
                 <Mode Name="NetworkOoLibraryJjMongoose">
                     <SignalLogicalOp Name="AND">
-                        <Signal Name="VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0"/>
+                        <Signal Name="VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0"/>
                     </SignalLogicalOp>
                 </Mode>
             </ModeLogicOperator>
@@ -25,14 +25,14 @@
             <ModeLogicOperator Name="OR">
                 <Mode Name="NetworkOoLibraryJjMinimal">
                     <SignalLogicalOp Name="AND">
-                        <Signal Name="VS_NetworkOoLibraryJjMinimal_7.20.0_7.20.0"/>
+                        <Signal Name="VS_NetworkOoLibraryJjMinimal_7.21.0_7.21.0"/>
                     </SignalLogicalOp>
                 </Mode>
             </ModeLogicOperator>
         </Mode>
     </ModeLogicOperator>
-    <RefSignal Name="VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0" Virtual="true"/>
-    <RefSignal Name="VS_NetworkOoLibraryJjMinimal_7.20.0_7.20.0" Virtual="true"/>
+    <RefSignal Name="VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0" Virtual="true"/>
+    <RefSignal Name="VS_NetworkOoLibraryJjMinimal_7.21.0_7.21.0" Virtual="true"/>
     <RefParameter Comment="Mongoose HTTP/MQTT/Websocket Library" DefaultValue="false" Group="Software component selection" Name="NetworkOoLibraryJjMongoose" TabName="NetworkOoLibraryJjMongoose" Type="boolean" Visible="false">
         <PossibleValue Comment="ENABLE" Semaphore="SEMNetworkOoLibraryJjMongoose" Value="true"/>
         <PossibleValue Comment="DISABLE" Value="false"/>
diff --git a/extra/stm_exp_pack/.project/projectFile.xml b/extra/stm_exp_pack/.project/projectFile.xml
index e35e5bfd..d50a3470 100644
--- a/extra/stm_exp_pack/.project/projectFile.xml
+++ b/extra/stm_exp_pack/.project/projectFile.xml
@@ -7,7 +7,7 @@
     <license>../../LICENSE::License.txt</license>
     <supportContact>https://mongoose.ws/contact/</supportContact>
     <releases>
-        <release date="2025-11-19" version="7.20.0">See https://github.com/cesanta/mongoose/releases/tag/7.20</release>
+        <release date="2026-04-08" version="7.21.0">See https://github.com/cesanta/mongoose/releases/tag/7.21</release>
         <release date="2024-03-01" version="7.13.0">See https://github.com/cesanta/mongoose/releases/tag/7.13</release>
     </releases>
     <keywords>
@@ -23,14 +23,14 @@
         </condition>
     </conditions>
     <components>
-        <component Cclass="Network Library" Cgroup="Mongoose" Cversion="7.20.0" maxInstances="1">
+        <component Cclass="Network Library" Cgroup="Mongoose" Cversion="7.21.0" maxInstances="1">
             <description>Mongoose HTTP/MQTT/Websocket Library</description>
             <files>
                 <file category="source" name="../../mongoose.c::Middlewares/Third_Party/Mongoose/mongoose.c"/>
                 <file category="header" name="../../mongoose.h::Middlewares/Third_Party/Mongoose/mongoose.h"/>
             </files>
         </component>
-        <component Cclass="Network Library" Cgroup="Minimal" Cversion="7.20.0" maxInstances="1">
+        <component Cclass="Network Library" Cgroup="Minimal" Cversion="7.21.0" maxInstances="1">
             <description>Add the simplest basic functionality, as described in Mongoose User Guide
 https://mongoose.ws/documentation/#user-guide</description>
             <files>
@@ -39,7 +39,7 @@ https://mongoose.ws/documentation/#user-guide</description>
         </component>
     </components>
     <examples>
-        <example doc="README.md" folder="Examples/x/x/nucleo-f746zg-cube-baremetal::Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-baremetal" name="nucleo-f746zg-cube-baremetal" public="false" version="7.20.0">
+        <example doc="README.md" folder="Examples/x/x/nucleo-f746zg-cube-baremetal::Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-baremetal" name="nucleo-f746zg-cube-baremetal" public="false" version="7.21.0">
             <description>Baremetal web device dashboard on NUCLEO-F746ZG, built on STM32CubeIDE</description>
             <board Dvendor="STMicroelectronics:13" name="NUCLEO-F746ZG" vendor="STMicroelectronics"/>
             <project>
@@ -56,7 +56,7 @@ https://mongoose.ws/documentation/#user-guide</description>
                 <keyword>network</keyword>
             </attributes>
         </example>
-        <example doc="README.md" folder="Examples/x/x/nucleo-f746zg-cube-freertos-lwip::Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-freertos-lwip" name="nucleo-f746zg-cube-freertos-lwip" public="false" version="7.20.0">
+        <example doc="README.md" folder="Examples/x/x/nucleo-f746zg-cube-freertos-lwip::Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-freertos-lwip" name="nucleo-f746zg-cube-freertos-lwip" public="false" version="7.21.0">
             <description>Web device dashboard using Mongoose over FreeRTOS + lwIP on a NUCLEO-F746ZG, built on STM32CubeIDE</description>
             <board Dvendor="STMicroelectronics:13" name="NUCLEO-F746ZG" vendor="STMicroelectronics"/>
             <project>
@@ -73,7 +73,7 @@ https://mongoose.ws/documentation/#user-guide</description>
                 <keyword>network</keyword>
             </attributes>
         </example>
-        <example doc="README.md" folder="Examples/x/x/nucleo-f746zg-cube-freertos::Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-freertos" name="nucleo-f746zg-cube-freertos" public="false" version="7.20.0">
+        <example doc="README.md" folder="Examples/x/x/nucleo-f746zg-cube-freertos::Projects/NUCLEO-F746ZG/Examples/nucleo-f746zg-cube-freertos" name="nucleo-f746zg-cube-freertos" public="false" version="7.21.0">
             <description>Web device dashboard using Mongoose as a FreeRTOS task on a NUCLEO-F746ZG, built on STM32CubeIDE</description>
             <board Dvendor="STMicroelectronics:13" name="NUCLEO-F746ZG" vendor="STMicroelectronics"/>
             <project>
diff --git a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-baremetal/.mxproject b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-baremetal/.mxproject
index 4da9878a..75654870 100644
--- a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-baremetal/.mxproject
+++ b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-baremetal/.mxproject
@@ -27,9 +27,9 @@ SourceFiles=;
 
 [ThirdPartyIp]
 ThirdPartyIpNumber=1
-ThirdPartyIpName#0=Cesanta.I-CUBE-Mongoose.7.20.0
+ThirdPartyIpName#0=Cesanta.I-CUBE-Mongoose.7.21.0
 
-[ThirdPartyIp#Cesanta.I-CUBE-Mongoose.7.20.0]
+[ThirdPartyIp#Cesanta.I-CUBE-Mongoose.7.21.0]
 header=../Middlewares/Third_Party/Mongoose/mongoose.h;
 source=../Middlewares/Third_Party/Mongoose/mongoose.c;
 
diff --git a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-baremetal/nucleo-f746zg-cube-baremetal.ioc b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-baremetal/nucleo-f746zg-cube-baremetal.ioc
index 692a0db6..73711ae2 100644
--- a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-baremetal/nucleo-f746zg-cube-baremetal.ioc
+++ b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-baremetal/nucleo-f746zg-cube-baremetal.ioc
@@ -2,11 +2,11 @@
 CAD.formats=
 CAD.pinconfig=
 CAD.provider=
-Cesanta.I-CUBE-Mongoose.7.20.0.IPParameters=MG_ENABLE_MBEDTLS,NetworkOoLibraryJjMongoose
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_ENABLE_MBEDTLS=false
-Cesanta.I-CUBE-Mongoose.7.20.0.NetworkOoLibraryJjMongoose=true
-Cesanta.I-CUBE-Mongoose.7.20.0.NetworkOoLibraryJjMongoose_Checked=true
-Cesanta.I-CUBE-Mongoose.7.20.0_SwParameter=NetworkOoLibraryJjMongoose\:true;
+Cesanta.I-CUBE-Mongoose.7.21.0.IPParameters=MG_ENABLE_MBEDTLS,NetworkOoLibraryJjMongoose
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_ENABLE_MBEDTLS=false
+Cesanta.I-CUBE-Mongoose.7.21.0.NetworkOoLibraryJjMongoose=true
+Cesanta.I-CUBE-Mongoose.7.21.0.NetworkOoLibraryJjMongoose_Checked=true
+Cesanta.I-CUBE-Mongoose.7.21.0_SwParameter=NetworkOoLibraryJjMongoose\:true;
 ETH.IPParameters=MediaInterface,RxBuffLen
 ETH.MediaInterface=HAL_ETH_RMII_MODE
 ETH.RxBuffLen=0
@@ -49,7 +49,7 @@ Mcu.Pin28=PB7
 Mcu.Pin29=VP_RNG_VS_RNG
 Mcu.Pin3=PH0/OSC_IN
 Mcu.Pin30=VP_SYS_VS_Systick
-Mcu.Pin31=VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0
+Mcu.Pin31=VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0
 Mcu.Pin4=PH1/OSC_OUT
 Mcu.Pin5=PC1
 Mcu.Pin6=PA1
@@ -57,7 +57,7 @@ Mcu.Pin7=PA2
 Mcu.Pin8=PA7
 Mcu.Pin9=PC4
 Mcu.PinsNb=32
-Mcu.ThirdParty0=Cesanta.I-CUBE-Mongoose.7.20.0
+Mcu.ThirdParty0=Cesanta.I-CUBE-Mongoose.7.21.0
 Mcu.ThirdPartyNb=1
 Mcu.UserConstants=
 Mcu.UserName=STM32F746ZGTx
@@ -315,8 +315,8 @@ SH.GPXTI13.0=GPIO_EXTI13
 SH.GPXTI13.ConfNb=1
 USART3.IPParameters=VirtualMode-Asynchronous
 USART3.VirtualMode-Asynchronous=VM_ASYNC
-VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0.Mode=NetworkOoLibraryJjMongoose
-VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0.Signal=Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0
+VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0.Mode=NetworkOoLibraryJjMongoose
+VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0.Signal=Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0
 VP_RNG_VS_RNG.Mode=RNG_Activate
 VP_RNG_VS_RNG.Signal=RNG_VS_RNG
 VP_SYS_VS_Systick.Mode=SysTick
diff --git a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos-lwip/.mxproject b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos-lwip/.mxproject
index 591cf826..710f72dc 100644
--- a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos-lwip/.mxproject
+++ b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos-lwip/.mxproject
@@ -39,9 +39,9 @@ SourceFiles=;
 
 [ThirdPartyIp]
 ThirdPartyIpNumber=1
-ThirdPartyIpName#0=Cesanta.I-CUBE-Mongoose.7.20.0
+ThirdPartyIpName#0=Cesanta.I-CUBE-Mongoose.7.21.0
 
-[ThirdPartyIp#Cesanta.I-CUBE-Mongoose.7.20.0]
+[ThirdPartyIp#Cesanta.I-CUBE-Mongoose.7.21.0]
 header=../Middlewares/Third_Party/Mongoose/mongoose.h;
 source=../Middlewares/Third_Party/Mongoose/mongoose.c;
 
diff --git a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos-lwip/nucleo-f746zg-cube-freertos-lwip.ioc b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos-lwip/nucleo-f746zg-cube-freertos-lwip.ioc
index ec3acdf2..03c1c499 100644
--- a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos-lwip/nucleo-f746zg-cube-freertos-lwip.ioc
+++ b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos-lwip/nucleo-f746zg-cube-freertos-lwip.ioc
@@ -2,15 +2,15 @@
 CAD.formats=
 CAD.pinconfig=
 CAD.provider=
-Cesanta.I-CUBE-Mongoose.7.20.0.IPParameters=MG_ENABLE_MBEDTLS,MG_ARCH,MG_ENABLE_CUSTOM_MILLIS,MG_STMPACK_NET,MG_ENABLE_CUSTOM_RANDOM,NetworkOoLibraryJjMongoose
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_ARCH=MG_ARCH_FREERTOS
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_ENABLE_CUSTOM_MILLIS=false
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_ENABLE_CUSTOM_RANDOM=true
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_ENABLE_MBEDTLS=false
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_STMPACK_NET=1
-Cesanta.I-CUBE-Mongoose.7.20.0.NetworkOoLibraryJjMongoose=true
-Cesanta.I-CUBE-Mongoose.7.20.0.NetworkOoLibraryJjMongoose_Checked=true
-Cesanta.I-CUBE-Mongoose.7.20.0_SwParameter=NetworkOoLibraryJjMongoose\:true;
+Cesanta.I-CUBE-Mongoose.7.21.0.IPParameters=MG_ENABLE_MBEDTLS,MG_ARCH,MG_ENABLE_CUSTOM_MILLIS,MG_STMPACK_NET,MG_ENABLE_CUSTOM_RANDOM,NetworkOoLibraryJjMongoose
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_ARCH=MG_ARCH_FREERTOS
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_ENABLE_CUSTOM_MILLIS=false
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_ENABLE_CUSTOM_RANDOM=true
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_ENABLE_MBEDTLS=false
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_STMPACK_NET=1
+Cesanta.I-CUBE-Mongoose.7.21.0.NetworkOoLibraryJjMongoose=true
+Cesanta.I-CUBE-Mongoose.7.21.0.NetworkOoLibraryJjMongoose_Checked=true
+Cesanta.I-CUBE-Mongoose.7.21.0_SwParameter=NetworkOoLibraryJjMongoose\:true;
 ETH.IPParameters=MediaInterface
 ETH.MediaInterface=HAL_ETH_RMII_MODE
 FREERTOS.INCLUDE_vTaskCleanUpResources=0
@@ -74,7 +74,7 @@ Mcu.Pin3=PH0/OSC_IN
 Mcu.Pin30=VP_LWIP_VS_Enabled
 Mcu.Pin31=VP_RNG_VS_RNG
 Mcu.Pin32=VP_SYS_VS_tim6
-Mcu.Pin33=VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0
+Mcu.Pin33=VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0
 Mcu.Pin4=PH1/OSC_OUT
 Mcu.Pin5=PC1
 Mcu.Pin6=PA1
@@ -82,7 +82,7 @@ Mcu.Pin7=PA2
 Mcu.Pin8=PA7
 Mcu.Pin9=PC4
 Mcu.PinsNb=34
-Mcu.ThirdParty0=Cesanta.I-CUBE-Mongoose.7.20.0
+Mcu.ThirdParty0=Cesanta.I-CUBE-Mongoose.7.21.0
 Mcu.ThirdPartyNb=1
 Mcu.UserConstants=
 Mcu.UserName=STM32F746ZGTx
@@ -364,8 +364,8 @@ SH.GPXTI13.0=GPIO_EXTI13
 SH.GPXTI13.ConfNb=1
 USART3.IPParameters=VirtualMode-Asynchronous
 USART3.VirtualMode-Asynchronous=VM_ASYNC
-VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0.Mode=NetworkOoLibraryJjMongoose
-VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0.Signal=Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0
+VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0.Mode=NetworkOoLibraryJjMongoose
+VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0.Signal=Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0
 VP_FREERTOS_VS_CMSIS_V1.Mode=CMSIS_V1
 VP_FREERTOS_VS_CMSIS_V1.Signal=FREERTOS_VS_CMSIS_V1
 VP_LWIP_VS_Enabled.Mode=Enabled
diff --git a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos/.mxproject b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos/.mxproject
index 529c9619..25652be8 100644
--- a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos/.mxproject
+++ b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos/.mxproject
@@ -30,9 +30,9 @@ SourceFiles=;
 
 [ThirdPartyIp]
 ThirdPartyIpNumber=1
-ThirdPartyIpName#0=Cesanta.I-CUBE-Mongoose.7.20.0
+ThirdPartyIpName#0=Cesanta.I-CUBE-Mongoose.7.21.0
 
-[ThirdPartyIp#Cesanta.I-CUBE-Mongoose.7.20.0]
+[ThirdPartyIp#Cesanta.I-CUBE-Mongoose.7.21.0]
 header=../Middlewares/Third_Party/Mongoose/mongoose.h;
 source=../Middlewares/Third_Party/Mongoose/mongoose.c;
 
diff --git a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos/nucleo-f746zg-cube-freertos.ioc b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos/nucleo-f746zg-cube-freertos.ioc
index bb67a742..c4acc4a1 100644
--- a/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos/nucleo-f746zg-cube-freertos.ioc
+++ b/extra/stm_exp_pack/Examples/x/x/nucleo-f746zg-cube-freertos/nucleo-f746zg-cube-freertos.ioc
@@ -2,13 +2,13 @@
 CAD.formats=
 CAD.pinconfig=
 CAD.provider=
-Cesanta.I-CUBE-Mongoose.7.20.0.IPParameters=MG_ENABLE_MBEDTLS,MG_ARCH,MG_ENABLE_CUSTOM_MILLIS,NetworkOoLibraryJjMongoose
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_ARCH=MG_ARCH_CMSIS_RTOS2
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_ENABLE_CUSTOM_MILLIS=false
-Cesanta.I-CUBE-Mongoose.7.20.0.MG_ENABLE_MBEDTLS=false
-Cesanta.I-CUBE-Mongoose.7.20.0.NetworkOoLibraryJjMongoose=true
-Cesanta.I-CUBE-Mongoose.7.20.0.NetworkOoLibraryJjMongoose_Checked=true
-Cesanta.I-CUBE-Mongoose.7.20.0_SwParameter=NetworkOoLibraryJjMongoose\:true;
+Cesanta.I-CUBE-Mongoose.7.21.0.IPParameters=MG_ENABLE_MBEDTLS,MG_ARCH,MG_ENABLE_CUSTOM_MILLIS,NetworkOoLibraryJjMongoose
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_ARCH=MG_ARCH_CMSIS_RTOS2
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_ENABLE_CUSTOM_MILLIS=false
+Cesanta.I-CUBE-Mongoose.7.21.0.MG_ENABLE_MBEDTLS=false
+Cesanta.I-CUBE-Mongoose.7.21.0.NetworkOoLibraryJjMongoose=true
+Cesanta.I-CUBE-Mongoose.7.21.0.NetworkOoLibraryJjMongoose_Checked=true
+Cesanta.I-CUBE-Mongoose.7.21.0_SwParameter=NetworkOoLibraryJjMongoose\:true;
 ETH.IPParameters=MediaInterface,RxBuffLen
 ETH.MediaInterface=HAL_ETH_RMII_MODE
 ETH.RxBuffLen=0
@@ -58,7 +58,7 @@ Mcu.Pin29=VP_FREERTOS_VS_CMSIS_V2
 Mcu.Pin3=PH0/OSC_IN
 Mcu.Pin30=VP_RNG_VS_RNG
 Mcu.Pin31=VP_SYS_VS_tim6
-Mcu.Pin32=VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0
+Mcu.Pin32=VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0
 Mcu.Pin4=PH1/OSC_OUT
 Mcu.Pin5=PC1
 Mcu.Pin6=PA1
@@ -66,7 +66,7 @@ Mcu.Pin7=PA2
 Mcu.Pin8=PA7
 Mcu.Pin9=PC4
 Mcu.PinsNb=33
-Mcu.ThirdParty0=Cesanta.I-CUBE-Mongoose.7.20.0
+Mcu.ThirdParty0=Cesanta.I-CUBE-Mongoose.7.21.0
 Mcu.ThirdPartyNb=1
 Mcu.UserConstants=
 Mcu.UserName=STM32F746ZGTx
@@ -330,8 +330,8 @@ SH.GPXTI13.0=GPIO_EXTI13
 SH.GPXTI13.ConfNb=1
 USART3.IPParameters=VirtualMode-Asynchronous
 USART3.VirtualMode-Asynchronous=VM_ASYNC
-VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0.Mode=NetworkOoLibraryJjMongoose
-VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0.Signal=Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.20.0_7.20.0
+VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0.Mode=NetworkOoLibraryJjMongoose
+VP_Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0.Signal=Cesanta.I-CUBE-Mongoose_VS_NetworkOoLibraryJjMongoose_7.21.0_7.21.0
 VP_FREERTOS_VS_CMSIS_V2.Mode=CMSIS_V2
 VP_FREERTOS_VS_CMSIS_V2.Signal=FREERTOS_VS_CMSIS_V2
 VP_RNG_VS_RNG.Mode=RNG_Activate