diff --git a/.python-version b/.python-version
index 3e388a4..86f8c02 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.13.2
+3.13.5
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76bcccb..75c26ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [unreleased]
+
+- remove unused 32-bit architectures
+- Babel don't build new po file if only the pot creation-date was changed
+- Improve Makefile
+- Update dependency pytest-asyncio to v1
+
 ## [0.14.1] - 2025-05-31
 
 - handle missing MQTT addon [#438](https://github.com/s-allius/tsun-gen3-proxy/issues/438)
diff --git a/Makefile b/Makefile
index 5964e6e..394ac69 100644
--- a/Makefile
+++ b/Makefile
@@ -1,27 +1,37 @@
-.PHONY: build babel clean addon-dev addon-debug addon-rc addon-rel debug dev preview rc rel check-docker-compose install
+.PHONY: help build babel clean addon-dev addon-debug addon-rc addon-rel debug dev preview rc rel check-docker-compose install
 
-babel:
+help: ## show help message
+	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m\033[0m\n"} /^[$$()% a-zA-Z0-9_-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+
+babel:            ## build language files
 	$(MAKE) -C app $@
 
 build:
 	$(MAKE) -C ha_addons $@ 
 
-clean:
+clean:             ## delete all built files
 	$(MAKE) -C app $@
 	$(MAKE) -C ha_addons $@ 
 
-debug dev preview rc rel:
+debug dev preview rc rel:  ## build docker container in <dev|debg|rc|rel> version
 	$(MAKE) -C app babel
 	$(MAKE) -C app $@
 
-addon-dev addon-debug addon-rc addon-rel:
+addon-dev addon-debug addon-rc addon-rel: ## build HA add-on in <dev|debg|rc|rel> version
 	$(MAKE) -C app babel
 	$(MAKE) -C ha_addons $(patsubst addon-%,%,$@)
 
-check-docker-compose:
+check-docker-compose: ## check the docker-compose file
 	docker-compose config -q
 
-install:
-	python3 -m pip install --upgrade pip
-	python3 -m pip install -r requirements.txt
-	python3 -m pip install -r requirements-test.txt
\ No newline at end of file
+PY_VER := $(shell cat .python-version)
+
+install:           ## install requirements into the pyenv and switch to proper venv
+	@pyenv local $(PY_VER) || { pyenv install $(PY_VER) && pyenv local $(PY_VER) || exit 1; }
+	@pyenv exec pip install --upgrade pip
+	@pyenv exec pip install -r requirements.txt
+	@pyenv exec pip install -r requirements-test.txt
+	pyenv exec python --version
+
+run:  ## run proxy locally out of the actual venv
+	pyenv exec python app/src/server.py -c /app/src/cnf
\ No newline at end of file
diff --git a/app/.version b/app/.version
index c39e9c5..7092c7c 100644
--- a/app/.version
+++ b/app/.version
@@ -1 +1 @@
-0.14.1
\ No newline at end of file
+0.15.0
\ No newline at end of file
diff --git a/app/Makefile b/app/Makefile
index 29be248..c192556 100644
--- a/app/Makefile
+++ b/app/Makefile
@@ -55,7 +55,7 @@ $(BABEL_TRANSLATIONS)/%.pot : $(SRC)/.babel.cfg $(BABEL_INPUT)
 
 $(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.po : $(BABEL_TRANSLATIONS)/messages.pot
 	@mkdir -p $(@D)
-	@pybabel update  --init-missing -i $< -d $(BABEL_TRANSLATIONS) -l $*
+	@pybabel update  --init-missing --ignore-pot-creation-date -i $< -d $(BABEL_TRANSLATIONS) -l $*
 
 $(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.mo : $(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.po
 	@pybabel compile  -d $(BABEL_TRANSLATIONS) -l $*
diff --git a/app/docker-bake.hcl b/app/docker-bake.hcl
index ba9d92b..324a68e 100644
--- a/app/docker-bake.hcl
+++ b/app/docker-bake.hcl
@@ -53,7 +53,7 @@ target "_common" {
   ]
 
   no-cache = false
-  platforms = ["linux/amd64", "linux/arm64", "linux/arm/v7"]
+  platforms = ["linux/amd64", "linux/arm64"]
 }
 
 target "_debug" {
diff --git a/app/requirements-test.txt b/app/requirements-test.txt
index 4f3a0b0..add2d3c 100644
--- a/app/requirements-test.txt
+++ b/app/requirements-test.txt
@@ -1,8 +1,8 @@
-    flake8==7.2.0
-    pytest==8.3.5
-    pytest-asyncio==0.26.0
-    pytest-cov==6.1.1
+    flake8==7.3.0
+    pytest==8.4.1
+    pytest-asyncio==1.0.0
+    pytest-cov==6.2.1
     python-dotenv==1.1.0
     mock==5.2.0
-    coverage==7.8.2
+    coverage==7.9.1
     jinja2-cli==0.8.2
\ No newline at end of file
diff --git a/app/translations/de/LC_MESSAGES/messages.po b/app/translations/de/LC_MESSAGES/messages.po
index da4c5b2..85c6c76 100644
--- a/app/translations/de/LC_MESSAGES/messages.po
+++ b/app/translations/de/LC_MESSAGES/messages.po
@@ -120,6 +120,7 @@ msgid "TSUN Proxy - Log Files"
 msgstr "TSUN Proxy - Log Dateien"
 
 #: src/web/templates/page_logging.html.j2:10
+#, python-format
 msgid "Do you really want to delete the log file: <br>%(file)s ?"
 msgstr "Soll die Datei: <br>%(file)s<br>wirklich gelöscht werden?"
 
diff --git a/ha_addons/docker-bake.hcl b/ha_addons/docker-bake.hcl
index 32cbf6c..4317a70 100644
--- a/ha_addons/docker-bake.hcl
+++ b/ha_addons/docker-bake.hcl
@@ -59,7 +59,7 @@ target "_common" {
   ]
 
   no-cache = false
-  platforms = ["linux/amd64", "linux/arm64", "linux/arm/v7"]
+  platforms = ["linux/amd64", "linux/arm64"]
 }
 
 target "_debug" {