diff --git a/icons-dark/actions/16/collapse-all.svg b/icons-dark/actions/16/collapse-all.svg
new file mode 100644
--- /dev/null
+++ b/icons-dark/actions/16/collapse-all.svg
@@ -0,0 +1 @@
+<svg width="16" height="16" version="1.1" viewBox="0 0 4.2333 4.2333" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#eff0f1;}</style><g transform="translate(0 -292.77)"><path transform="matrix(.26458 0 0 .26458 0 292.77)" d="m1 2v1h14v-1zm7 4.293-7 7 0.70703 0.70703 6.293-6.293 6.293 6.293 0.70703-0.70703z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons-dark/actions/16/expand-all.svg b/icons-dark/actions/16/expand-all.svg
new file mode 100644
--- /dev/null
+++ b/icons-dark/actions/16/expand-all.svg
@@ -0,0 +1 @@
+<svg width="16" height="16" version="1.1" viewBox="0 0 4.2333 4.2333" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#eff0f1;}</style><g transform="translate(0 -292.77)"><path transform="matrix(.26458 0 0 .26458 0 292.77)" d="m1 2v1h14v-1zm0.70703 4.293-0.70703 0.70703 7 7 7-7-0.70703-0.70703-6.293 6.293z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons-dark/actions/22/collapse-all.svg b/icons-dark/actions/22/collapse-all.svg
new file mode 100644
--- /dev/null
+++ b/icons-dark/actions/22/collapse-all.svg
@@ -0,0 +1 @@
+<svg width="22" height="22" version="1.1" viewBox="0 0 5.8208 5.8208" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#eff0f1;}</style><g transform="translate(0 -291.18)"><path transform="matrix(.26458 0 0 .26458 0 291.18)" d="m1 3v1h20v-1zm10 5.291-10 10.008 0.70117 0.70117 9.2988-9.291 9.2969 9.291 0.70312-0.70703z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons-dark/actions/22/expand-all.svg b/icons-dark/actions/22/expand-all.svg
new file mode 100644
--- /dev/null
+++ b/icons-dark/actions/22/expand-all.svg
@@ -0,0 +1 @@
+<svg width="22" height="22" version="1.1" viewBox="0 0 5.8208 5.8208" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#eff0f1;}</style><g transform="translate(0 -291.18)"><path transform="matrix(.26458 0 0 .26458 0 291.18)" d="m1 3v1h20v-1zm0.70117 5.291-0.70117 0.70117 10 10.008 10-10.002-0.70312-0.70703-9.2969 9.291z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons-dark/actions/24/collapse-all.svg b/icons-dark/actions/24/collapse-all.svg
new file mode 100644
--- /dev/null
+++ b/icons-dark/actions/24/collapse-all.svg
@@ -0,0 +1 @@
+<svg width="24" height="24" version="1.1" viewBox="0 0 6.35 6.35" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#eff0f1;}</style><g transform="translate(0,-290.65)"><path transform="matrix(.26458 0 0 .26458 0 290.65)" d="m2 4v1h20v-1zm10 5.291-10 10.008 0.70117 0.70117 9.2988-9.291 9.2969 9.291 0.70312-0.70703z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons-dark/actions/24/expand-all.svg b/icons-dark/actions/24/expand-all.svg
new file mode 100644
--- /dev/null
+++ b/icons-dark/actions/24/expand-all.svg
@@ -0,0 +1 @@
+<svg width="24" height="24" version="1.1" viewBox="0 0 6.35 6.35" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#eff0f1;}</style><g transform="translate(0,-290.65)"><path d="m0.52917 291.71v0.26459h5.2917v-0.26459zm0.18552 1.3999-0.18552 0.18552 2.6458 2.6479 2.6458-2.6464-0.18604-0.18707-2.4598 2.4582z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons-dark/actions/32/collapse-all.svg b/icons-dark/actions/32/collapse-all.svg
new file mode 100644
--- /dev/null
+++ b/icons-dark/actions/32/collapse-all.svg
@@ -0,0 +1 @@
+<svg width="24" height="24" version="1.1" viewBox="0 0 6.35 6.35" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#eff0f1;}</style><g transform="translate(0,-290.65)"><path transform="matrix(.26458 0 0 .26458 0 290.65)" d="m0 2v1h24v-1zm12 7.2949-12 11.996 0.70898 0.70898 11.291-11.295 11.291 11.295 0.70898-0.70703z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons-dark/actions/32/expand-all.svg b/icons-dark/actions/32/expand-all.svg
new file mode 100644
--- /dev/null
+++ b/icons-dark/actions/32/expand-all.svg
@@ -0,0 +1 @@
+<svg width="24" height="24" version="1.1" viewBox="0 0 6.35 6.35" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#eff0f1;}</style><g transform="translate(0,-290.65)"><path transform="matrix(.26458 0 0 .26458 0 290.65)" d="m0 2v1h24v-1zm0.70898 7.2949-0.70898 0.70898 12 11.996 12-11.998-0.70898-0.70703-11.291 11.295z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons-dark/actions/symbolic/collapse-all-symbolic.svg b/icons-dark/actions/symbolic/collapse-all-symbolic.svg
new file mode 120000
--- /dev/null
+++ b/icons-dark/actions/symbolic/collapse-all-symbolic.svg
@@ -0,0 +1 @@
+../16/collapse-all.svg
\ No newline at end of file
diff --git a/icons-dark/actions/symbolic/expand-all-symbolic.svg b/icons-dark/actions/symbolic/expand-all-symbolic.svg
new file mode 120000
--- /dev/null
+++ b/icons-dark/actions/symbolic/expand-all-symbolic.svg
@@ -0,0 +1 @@
+../16/expand-all.svg
\ No newline at end of file
diff --git a/icons/actions/16/collapse-all.svg b/icons/actions/16/collapse-all.svg
new file mode 100644
--- /dev/null
+++ b/icons/actions/16/collapse-all.svg
@@ -0,0 +1 @@
+<svg width="16" height="16" version="1.1" viewBox="0 0 4.2333 4.2333" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#232629;}</style><g transform="translate(0 -292.77)"><path transform="matrix(.26458 0 0 .26458 0 292.77)" d="m1 2v1h14v-1zm7 4.293-7 7 0.70703 0.70703 6.293-6.293 6.293 6.293 0.70703-0.70703z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons/actions/16/expand-all.svg b/icons/actions/16/expand-all.svg
new file mode 100644
--- /dev/null
+++ b/icons/actions/16/expand-all.svg
@@ -0,0 +1 @@
+<svg width="16" height="16" version="1.1" viewBox="0 0 4.2333 4.2333" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#232629;}</style><g transform="translate(0 -292.77)"><path transform="matrix(.26458 0 0 .26458 0 292.77)" d="m1 2v1h14v-1zm0.70703 4.293-0.70703 0.70703 7 7 7-7-0.70703-0.70703-6.293 6.293z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons/actions/22/collapse-all.svg b/icons/actions/22/collapse-all.svg
new file mode 100644
--- /dev/null
+++ b/icons/actions/22/collapse-all.svg
@@ -0,0 +1 @@
+<svg width="22" height="22" version="1.1" viewBox="0 0 5.8208 5.8208" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#232629;}</style><g transform="translate(0 -291.18)"><path transform="matrix(.26458 0 0 .26458 0 291.18)" d="m1 3v1h20v-1zm10 5.291-10 10.008 0.70117 0.70117 9.2988-9.291 9.2969 9.291 0.70312-0.70703z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons/actions/22/expand-all.svg b/icons/actions/22/expand-all.svg
new file mode 100644
--- /dev/null
+++ b/icons/actions/22/expand-all.svg
@@ -0,0 +1 @@
+<svg width="22" height="22" version="1.1" viewBox="0 0 5.8208 5.8208" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#232629;}</style><g transform="translate(0 -291.18)"><path transform="matrix(.26458 0 0 .26458 0 291.18)" d="m1 3v1h20v-1zm0.70117 5.291-0.70117 0.70117 10 10.008 10-10.002-0.70312-0.70703-9.2969 9.291z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons/actions/24/collapse-all.svg b/icons/actions/24/collapse-all.svg
new file mode 100644
--- /dev/null
+++ b/icons/actions/24/collapse-all.svg
@@ -0,0 +1 @@
+<svg width="24" height="24" version="1.1" viewBox="0 0 6.35 6.35" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#232629;}</style><g transform="translate(0,-290.65)"><path transform="matrix(.26458 0 0 .26458 0 290.65)" d="m2 4v1h20v-1zm10 5.291-10 10.008 0.70117 0.70117 9.2988-9.291 9.2969 9.291 0.70312-0.70703z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons/actions/24/expand-all.svg b/icons/actions/24/expand-all.svg
new file mode 100644
--- /dev/null
+++ b/icons/actions/24/expand-all.svg
@@ -0,0 +1 @@
+<svg width="24" height="24" version="1.1" viewBox="0 0 6.35 6.35" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#232629;}</style><g transform="translate(0,-290.65)"><path d="m0.52917 291.71v0.26459h5.2917v-0.26459zm0.18552 1.3999-0.18552 0.18552 2.6458 2.6479 2.6458-2.6464-0.18604-0.18707-2.4598 2.4582z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons/actions/32/collapse-all.svg b/icons/actions/32/collapse-all.svg
new file mode 100644
--- /dev/null
+++ b/icons/actions/32/collapse-all.svg
@@ -0,0 +1 @@
+<svg width="24" height="24" version="1.1" viewBox="0 0 6.35 6.35" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#232629;}</style><g transform="translate(0,-290.65)"><path transform="matrix(.26458 0 0 .26458 0 290.65)" d="m0 2v1h24v-1zm12 7.2949-12 11.996 0.70898 0.70898 11.291-11.295 11.291 11.295 0.70898-0.70703z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons/actions/32/expand-all.svg b/icons/actions/32/expand-all.svg
new file mode 100644
--- /dev/null
+++ b/icons/actions/32/expand-all.svg
@@ -0,0 +1 @@
+<svg width="24" height="24" version="1.1" viewBox="0 0 6.35 6.35" xmlns="http://www.w3.org/2000/svg"><style type="text/css" id="current-color-scheme">.ColorScheme-Text{color:#232629;}</style><g transform="translate(0,-290.65)"><path transform="matrix(.26458 0 0 .26458 0 290.65)" d="m0 2v1h24v-1zm0.70898 7.2949-0.70898 0.70898 12 11.996 12-11.998-0.70898-0.70703-11.291 11.295z" style="fill:currentColor;fill-opacity:1;stroke:none" class="ColorScheme-Text"/></g></svg>
diff --git a/icons/actions/symbolic/collapse-all-symbolic.svg b/icons/actions/symbolic/collapse-all-symbolic.svg
new file mode 120000
--- /dev/null
+++ b/icons/actions/symbolic/collapse-all-symbolic.svg
@@ -0,0 +1 @@
+../16/collapse-all.svg
\ No newline at end of file
diff --git a/icons/actions/symbolic/expand-all-symbolic.svg b/icons/actions/symbolic/expand-all-symbolic.svg
new file mode 120000
--- /dev/null
+++ b/icons/actions/symbolic/expand-all-symbolic.svg
@@ -0,0 +1 @@
+../16/expand-all.svg
\ No newline at end of file