diff --git a/meson.build b/meson.build
index a94f04310..d89799d65 100644
--- a/meson.build
+++ b/meson.build
@@ -53,7 +53,7 @@ endif
 
 uopt_static = get_option('static')
 use_tpt_libs = 'no'
-tpt_libs_vtag = 'v20210712201911'
+tpt_libs_vtag = 'v20210822114001'
 if uopt_static == 'system'
 	if copt_platform == 'win'
 		error('no way to find static system libraries on windows')
diff --git a/src/gui/interface/Engine.h b/src/gui/interface/Engine.h
index 33dd80d6b..d27b52147 100644
--- a/src/gui/interface/Engine.h
+++ b/src/gui/interface/Engine.h
@@ -130,8 +130,6 @@ namespace ui
 		int maxWidth;
 		int maxHeight;
 
-		bool momentumScroll;
-
 		String textEditingBuf;
 
 	public:
diff --git a/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210712201911.wrap b/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210712201911.wrap
deleted file mode 100644
index dc875f10d..000000000
--- a/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210712201911.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210712201911
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210712201911/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210712201911.zip
-source_filename = tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210712201911.zip
-source_hash = 93273900e566da808699e7d558706f90d4caa710318aa50e3df5b346e1b39619
diff --git a/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210822114001.wrap b/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210822114001.wrap
new file mode 100644
index 000000000..ab8c7a11d
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210822114001.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210822114001
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210822114001/tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210822114001.zip
+source_filename = tpt-libs-prebuilt-i686-win-msvc-dynamic-v20210822114001.zip
+source_hash = 343f5674768ea3fa8d23626d905fa17bf3cbfca1a184c087d006742419f874e1
diff --git a/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210712201911.wrap b/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210712201911.wrap
deleted file mode 100644
index 15ea36534..000000000
--- a/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210712201911.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-i686-win-msvc-static-v20210712201911
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210712201911/tpt-libs-prebuilt-i686-win-msvc-static-v20210712201911.zip
-source_filename = tpt-libs-prebuilt-i686-win-msvc-static-v20210712201911.zip
-source_hash = 0f8064b4fdf5ae99197231c3a2172fd3f6564dab24c999e2e7cb084534e827bc
diff --git a/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210822114001.wrap b/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210822114001.wrap
new file mode 100644
index 000000000..ee4bff816
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-i686-win-msvc-static-v20210822114001.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-i686-win-msvc-static-v20210822114001
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210822114001/tpt-libs-prebuilt-i686-win-msvc-static-v20210822114001.zip
+source_filename = tpt-libs-prebuilt-i686-win-msvc-static-v20210822114001.zip
+source_hash = c990f46a8ec586e8f7e5ffcb20e0247d594308192a9aa80e85233bd69015a20a
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210712201911.wrap b/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210712201911.wrap
deleted file mode 100644
index 3e9e4a690..000000000
--- a/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210712201911.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210712201911
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210712201911/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210712201911.zip
-source_filename = tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210712201911.zip
-source_hash = 7abdcb5484323911f1ff2d90d47f71c25b13a72ac415d187122c82dda32d6dba
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210822114001.wrap b/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210822114001.wrap
new file mode 100644
index 000000000..a19539ecb
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210822114001.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210822114001
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210822114001/tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210822114001.zip
+source_filename = tpt-libs-prebuilt-x86_64-lin-gcc-static-v20210822114001.zip
+source_hash = 209790fa0fff376134b0479806b8a1943f8334517a182f6152e05c9a1d2c4f06
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210712201911.wrap b/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210712201911.wrap
deleted file mode 100644
index c60feedd9..000000000
--- a/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210712201911.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210712201911
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210712201911/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210712201911.zip
-source_filename = tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210712201911.zip
-source_hash = c7b93a02f6ae75c0a23007e82f6e5e7559d425585d9e55aae8b06abd39b7b0b5
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210822114001.wrap b/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210822114001.wrap
new file mode 100644
index 000000000..3ff158d17
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210822114001.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210822114001
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210822114001/tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210822114001.zip
+source_filename = tpt-libs-prebuilt-x86_64-mac-gcc-static-v20210822114001.zip
+source_hash = 9547334e8d13edeb5c494ce6d3d7deee343553aaad4ec52c624972e436aef21d
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210712201911.wrap b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210712201911.wrap
deleted file mode 100644
index 577af7219..000000000
--- a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210712201911.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210712201911
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210712201911/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210712201911.zip
-source_filename = tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210712201911.zip
-source_hash = 5c4a7e38667d48a00a6849d4f4d52d9307a78f419e80903a9a5bd7fbb301705a
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210822114001.wrap b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210822114001.wrap
new file mode 100644
index 000000000..6534a7ef6
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210822114001.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210822114001
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210822114001/tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210822114001.zip
+source_filename = tpt-libs-prebuilt-x86_64-win-msvc-dynamic-v20210822114001.zip
+source_hash = 30f8dca1b88e42865a452c8ed76dfe6827eb837fffa6cba32a61a78e596d9b6a
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210712201911.wrap b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210712201911.wrap
deleted file mode 100644
index be2fbc00a..000000000
--- a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210712201911.wrap
+++ /dev/null
@@ -1,6 +0,0 @@
-[wrap-file]
-directory = tpt-libs-prebuilt-x86_64-win-msvc-static-v20210712201911
-
-source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210712201911/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210712201911.zip
-source_filename = tpt-libs-prebuilt-x86_64-win-msvc-static-v20210712201911.zip
-source_hash = e82e9babc89d653132b7923438b5c84470a7c351cf4ab6e2751b867f051913bb
diff --git a/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210822114001.wrap b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210822114001.wrap
new file mode 100644
index 000000000..49f79ec0c
--- /dev/null
+++ b/subprojects/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210822114001.wrap
@@ -0,0 +1,6 @@
+[wrap-file]
+directory = tpt-libs-prebuilt-x86_64-win-msvc-static-v20210822114001
+
+source_url = https://github.com/The-Powder-Toy/tpt-libs/releases/download/v20210822114001/tpt-libs-prebuilt-x86_64-win-msvc-static-v20210822114001.zip
+source_filename = tpt-libs-prebuilt-x86_64-win-msvc-static-v20210822114001.zip
+source_hash = 496c1d2f9408c580bb85ea93fbb6d2d16b05c408961ab380aa8bc796ef65ac0b