diff --git a/java/java.go b/java/java.go
index c89cb1a..2ac5a5b 100644
--- a/java/java.go
+++ b/java/java.go
@@ -998,12 +998,11 @@
 	if ctx.Device() && !ctx.Config().IsEnvFalse("TURBINE_ENABLED") {
 		if j.properties.Javac_shard_size != nil && *(j.properties.Javac_shard_size) > 0 {
 			enable_sharding = true
-			if len(j.properties.Annotation_processors) != 0 ||
-				len(j.properties.Annotation_processor_classes) != 0 {
-				ctx.PropertyErrorf("javac_shard_size",
-					"%q cannot be set when annotation processors are enabled.",
-					j.properties.Javac_shard_size)
-			}
+			// Formerly, there was a check here that prevented annotation processors
+			// from being used when sharding was enabled, as some annotation processors
+			// do not function correctly in sharded environments. It was removed to
+			// allow for the use of annotation processors that do function correctly
+			// with sharding enabled. See: b/77284273.
 		}
 		j.headerJarFile = j.compileJavaHeader(ctx, uniqueSrcFiles, srcJars, deps, flags, jarName, kotlinJars)
 		if ctx.Failed() {
diff --git a/ui/build/paths/config.go b/ui/build/paths/config.go
index e8e92e6..1d8684b 100644
--- a/ui/build/paths/config.go
+++ b/ui/build/paths/config.go
@@ -97,7 +97,6 @@
 	"lsof":      Allowed,
 	"m4":        Allowed,
 	"md5sum":    Allowed,
-	"mv":        Allowed,
 	"openssl":   Allowed,
 	"patch":     Allowed,
 	"pgrep":     Allowed,
@@ -157,6 +156,7 @@
 	"ls":       Toybox,
 	"mkdir":    Toybox,
 	"mktemp":   Toybox,
+	"mv":       Toybox,
 	"od":       Toybox,
 	"paste":    Toybox,
 	"pwd":      Toybox,
diff --git a/ui/build/sandbox_linux.go b/ui/build/sandbox_linux.go
index f77eebb..85c4a9a 100644
--- a/ui/build/sandbox_linux.go
+++ b/ui/build/sandbox_linux.go
@@ -127,6 +127,9 @@
 		// in soong_ui
 		"-e",
 
+		// Mount /proc read-write, necessary to run a nested nsjail or minijail0
+		"--proc_rw",
+
 		// Use a consistent user & group.
 		// Note that these are mapped back to the real UID/GID when
 		// doing filesystem operations, so they're rather arbitrary.