diff --git a/Changelog.md b/Changelog.md
index c663f63b..009eb868 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,7 +2,70 @@
+##### 8.5.0 - Multi Meter Support (2021-10-07)
+* Upgrade digital CNN to v13.1.0 (added new images)
+* bug fix: wlan password with space, double digit output
+
+##### 8.4.0 - Multi Meter Support (2021-09-25)
+
+* License change (remove MIT license, remark see below)
+
+* html: show hostname in title and main page
+
+* configuration:
+
+ * moved setting `ExtendedResolution` to individual number settings
+ * New parameter `IgnoreLeadingNaN` (delete leading NaN's specifically)
+ * **ATTENTION**: update of the `config.ini` needed (open, adjust `ExtendedResolution`, save)
+
+* Bug fixing (html, images of recognized numbers)
+
+
+
+### **ATTENTION: LICENSE CHANGE - removal of MIT License.**
+
+- Currently no licence published - copyright belongs to author
+- If you are interested in a commercial usage or dedicated versions please contact the developer
+ - no limits to private usage
+
+
+
+##### 8.3.0 - Multi Meter Support (2021-09-12)
+
+* Upgrade digital CNN to v12.1.0 (added new images)
+* Dedicated NaN handling, internal refactoring (CNN-Handling)
+* HTML: confirmation after config.ini update
+* Bug fixing
+
+##### 8.2.0 - Multi Meter Support (2021-08-24)
+
+* Improve server responsiveness
+* Flow status and prevalue status in overview
+* Improved prevalue handling
+
+##### 8.1.0 - Multi Meter Support (2021-08-12)
+
+* GPIO: using the general mqtt main topic for GPIO
+
+* Upgrade digital CNN to v12.0.0 (added new images)
+* Update tfmicro to new master (2021-08-07)
+* Bug fix: remove text in mqtt value, remove connect limit in wlan reconnet
+
+##### 8.0.5 - Multi Meter Support (2021-08-01)
+
+* NEW 8.0.5: bug fix: saving prevalue
+* NEW 8.0.4: bug fix: load config.ini after upgrade
+* NEW 8.0.3: bug fix: reboot during `config.ini` handling, html error
+* NEW 8.0.2: saving roundes prevalue, bug fix html server
+* NEW 8.0.1: bug fix: html handling of parameter `FixedExposure` and `ImageSize`
+* Dual / multi meter support (more than 1 number to be recognized)
+ This is implemented with the feature "number" on the ROI definition as well as selected options
+* MQTT: standardization of the naming - including new topics (`json`, `freeMem `, `uptime`)c
+* Preparation for extended GPIO support (thanks to Zwerk2k) - not tested and fully functional yet
+* Bug fixing: html server, memory leak, MQTT connect, hostname, turn of flash LED
+
+**ATTENTION: the configuration and prevalue files are modified automatically and will not be backward compatible!**
##### 7.1.2 MQTT-Update - (2021-06-17)
diff --git a/README.md b/README.md
index addb03e6..b6a4fa79 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ In other cases you can contact the developer via email:  to make the learing of additional pictures much easier and automated (GitHub action)
-* New )
allowing the dedection of intermediate states ("ring between two numbers") as a subdigit
+* New "hyprid" neural network for digital numbers --> allowing the detection of intermediate states ("ring between two numbers") as a subdigit
------
@@ -52,26 +52,18 @@ In other cases you can contact the developer via email: 
+##### 10.0.0 - Stability Increase (2021-12-30)
-- Major stability increase (removal of memory leak)
-- Updated Compiler Toolchain to ESP-IDF 4.3
+- Updated compiler toolchain to ESP-IDF 4.3
+- Removal of memory leak
- Improved error handling during startup (check PSRAM and camera with remark in logfile)
-- MQTT: implemented raw value additionally
-
-##### Rolling (2021-12-23)
-
-- Removed regex constrain from MQTT topic
-
-##### Rolling (2021-12-12)
-
-- Corrected error handling: in case of error (too high rating, negative rate, ...) value, rate, timestamp are not transmitted any more - only the error text itself is send
-
-- Improved HTML behavior (tabulator usage for input) - thx to **[mad2xlc](https://github.com/mad2xlc)**
+- MQTT: implemented raw value additionally, removal of regex contrain
- Normalized Parameter ``MaxRateValue`` to )
**ATTENTION: the configuration and prevalue files are modified automatically and will not be backward compatible!**
## Additional ideas
@@ -175,9 +104,9 @@ There are some ideas and feature request, which are not followed currently - mai
## History
-##### 7.1.2 MQTT-Update - (2021-06-17)
+##### 8.5.0 - Multi Meter Support (2021-10-07)
-**7.0.1 MQTT-Update - (2021-05-13)**
+##### 7.1.2 MQTT-Update - (2021-06-17)
##### 6.7.2 Image Processing in Memory - (2021-05-01)
diff --git a/code/main/version.cpp b/code/main/version.cpp
index f05a7462..1ee0ab1f 100644
--- a/code/main/version.cpp
+++ b/code/main/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="9571389";
+const char* GIT_REV="04c5649";
const char* GIT_TAG="";
-const char* GIT_BRANCH="rolling";
-const char* BUILD_TIME="2021-12-30 18:15";
\ No newline at end of file
+const char* GIT_BRANCH="master";
+const char* BUILD_TIME="2021-12-30 18:32";
\ No newline at end of file
diff --git a/code/version.cpp b/code/version.cpp
index fa27982a..1ee0ab1f 100644
--- a/code/version.cpp
+++ b/code/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="9571389";
+const char* GIT_REV="04c5649";
const char* GIT_TAG="";
-const char* GIT_BRANCH="rolling";
-const char* BUILD_TIME="2021-12-30 18:14";
\ No newline at end of file
+const char* GIT_BRANCH="master";
+const char* BUILD_TIME="2021-12-30 18:32";
\ No newline at end of file
diff --git a/firmware/bootloader.bin b/firmware/bootloader.bin
index ac9af85e..d5b3e591 100644
Binary files a/firmware/bootloader.bin and b/firmware/bootloader.bin differ
diff --git a/firmware/firmware.bin b/firmware/firmware.bin
index ae39e91c..46c58bdb 100644
Binary files a/firmware/firmware.bin and b/firmware/firmware.bin differ