diff --git a/.github/workflows/Simulate.yml b/.github/workflows/Simulate.yml
index 368c6146f..a6398d927 100644
--- a/.github/workflows/Simulate.yml
+++ b/.github/workflows/Simulate.yml
@@ -119,7 +119,7 @@ jobs:
     continue-on-error: ${{ inputs.can-fail }}
     steps:
       - name: ⏬ Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           lfs: true
           submodules: true
@@ -222,7 +222,7 @@ jobs:
     continue-on-error: ${{ inputs.can-fail }}
     steps:
       - name: ⏬ Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           lfs: true
           submodules: true
@@ -342,7 +342,7 @@ jobs:
     continue-on-error: ${{ inputs.can-fail }}
     steps:
       - name: ⏬ Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           lfs: true
           submodules: true
diff --git a/docs/conf.py b/docs/conf.py
index 9765a19ec..fe344c3a3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -163,24 +163,13 @@ def _LatestTagName():
 latex_elements = {
 	"papersize":   "a4paper",      # The paper size ('letterpaper' or 'a4paper').
 	"pointsize":   "10pt",         # The font size ('10pt', '11pt' or '12pt').
-	"inputenc":    "",            # Let LuaLaTeX handle input encoding
+	"inputenc":    "",             # Let LuaLaTeX handle input encoding
 	"utf8extra":   "",
 	"polyglossia": "",
 	"babel":      r"\usepackage[english]{babel}",
 	"fontenc":    r"\usepackage{fontspec}",  # Disable the default T1 font encoding (Essential for LuaLaTeX)
 	"fontpkg":    dedent("""\
-		\\usepackage{unicode-math}
-
-		% Set the Text Fonts (Libertinus)
-		\\setmainfont{Libertinus Serif}
-		\\setsansfont{Libertinus Sans}
-		\\setmonofont{Libertinus Mono}
-		\\setmathfont{Libertinus Math}
-
-		% Set Symbol font
-		\\usepackage{newunicodechar}
-		\\newfontfamily{\\emojifont}[Renderer=OpenType]{NotoColorEmoji.ttf}
-		\\usepackage{pytooling}
+		\\usepackage[fontfamily=libertinus]{pytooling}
 	"""),
 	"passoptionstopackages": dedent("""\
 		\\PassOptionsToPackage{verbatimvisiblespace=\\ }{sphinx}
diff --git a/src/bus/axi4/axi4_Sink.vhdl b/src/bus/axi4/axi4_Sink.vhdl
index 4791614f8..cd5e0435e 100644
--- a/src/bus/axi4/axi4_Sink.vhdl
+++ b/src/bus/axi4/axi4_Sink.vhdl
@@ -95,13 +95,13 @@ architecture rtl of axi4_Sink is
 	signal nxt_wstate : T_wstate;
 	signal nxt_rstate : T_rstate;
 
-	signal AWLen_d : std_logic_vector(7 downto 0);
+	signal AWLen_d : std_logic_vector(7 downto 0) := (others => '0');
 	signal AWLen   : std_logic_vector(7 downto 0);
-	signal ARLen_d : std_logic_vector(7 downto 0);
+	signal ARLen_d : std_logic_vector(7 downto 0) := (others => '0');
 	signal ARLen   : std_logic_vector(7 downto 0);
-	signal AWID_d  : std_logic_vector(IDBits - 1 downto 0);
+	signal AWID_d  : std_logic_vector(IDBits - 1 downto 0) := (others => '0');
 	signal AWID    : std_logic_vector(IDBits - 1 downto 0);
-	signal ARID_d  : std_logic_vector(IDBits - 1 downto 0);
+	signal ARID_d  : std_logic_vector(IDBits - 1 downto 0) := (others => '0');
 	signal ARID    : std_logic_vector(IDBits - 1 downto 0);
 
 	signal Is_WriteData : std_logic;