[continued from previous message]

+- // well, this point of code is never reached with R up to 2.12.0. Instead failed user commands are handled in doError().
+- RKRBackend::repl_status.user_command_status = RKRBackend::RKReplStatus::UserCommandFailed;
+- }
+- }
+-
+- return (Rboolean) true;
+-}
+-
+-void RKInsertToplevelStatementFinishedCallback (void *) {
+- RK_TRACE (RBACKEND);
+-
+- if (RKRBackend::this_pointer->r_running) {
+- int pos;
+- RFn::Rf_addTaskCallback(&RKToplevelStatementFinishedCallback, nullptr, &RKInsertToplevelStatementFinishedCallback, "_rkward_main_callback", &pos);
+- }
+-}
+-
+ void RKTransmitNextUserCommandChunk (unsigned char* buf, int buflen) {
+ RK_TRACE (RBACKEND);
+
+@@ -284,7 +252,7 @@ int RReadConsole (const char* prompt, unsigned char* buf, int buflen, int hist)
+ // This can mean three different things:
+ // 1) User called readline ()
+ // 2) User called browser ()
+- // 3) R jumped us back to toplevel behind our backs.
++ // 3) The user command has finished (successfully or not)
+ // Let's find out, which one it is.
+ if (hist && (RKRBackend::default_global_context != ROb(R_GlobalContext))) {
+ break; // this looks like a call to browser(). Will be handled below.
+@@ -296,13 +264,13 @@ int RReadConsole (const char* prompt, unsigned char* buf, int buflen, int hist)
+ n_frames = dummy->intVector ().at (0); + }
+ // What the ??? Why does this simple version always return 0?
+- //int n_frames = RKRSupport::SEXPToInt (RKRSupport::callSimpleFun0 (RFn::Rf_install ("sys.nframe"), ROb(R_GlobalEnv)));
++ //int n_frames = RKRSupport::SEXPToInt (RKRSupport::callSimpleFun0 (RFn::Rf_install ("sys.nframe"), ROb(R_GlobalEnv);
+ if (n_frames < 1) {
+- // No active frames? This can't be a call to readline(), then, so probably R jumped us back to toplevel, behind our backs.
+- // For safety, let's reset and start over.
+- RKRBackend::this_pointer->current_command->status |= RCommand::Failed | RCommand::ErrorOther;
+- RKRBackend::repl_status.user_command_status = RKRBackend::RKReplStatus::ReplIterationKilled;
+- RFn::Rf_error(""); // to discard the buffer
++ // No active frames? This can't be a call to readline(), so the previous command must have finished.
++ if (RKRBackend::repl_status.user_command_completely_transmitted) {
++ RKRBackend::repl_status.user_command_status = RKRBackend::RKReplStatus::NoUserCommand;
++ RKRBackend::this_pointer->commandFinished ();
++ } else RKRBackend::repl_status.user_command_status = RKRBackend::RKReplStatus::UserCommandTransmitted;
+ } else {
+ // A call to readline(). Will be handled below
+ break;
+@@ -1108,7 +1076,6 @@ bool RKRBackend::startR () {
+ RFn::R_registerRoutines(RFn::R_getEmbeddingDllInfo(), nullptr, callMethods, nullptr, nullptr);
+
+ connectCallbacks();
+- RKInsertToplevelStatementFinishedCallback(nullptr);
+ RKREventLoop::setRKEventHandler(doPendingPriorityCommands);
+ default_global_context = ROb(R_GlobalContext);
+ #ifdef Q_OS_WIN
+--
+2.30.2
+
diff -Nru rkward-0.8.0/debian/patches/0002-Adjust-to-hiding-for-R_checkActivityEx-in-R-devel-fo.patch rkward-0.8.0/debian/patches/0002-Adjust-to-hiding-for-R_checkActivityEx-in-R-devel-fo.patch
--- rkward-0.8.0/debian/patches/0002-Adjust-to-hiding-for-R_checkActivityEx-in-R-devel-fo.patch 1970-01-01 02:00:00.000000000 +0200
+++ rkward-0.8.0/debian/patches/0002-Adjust-to-hiding-for-R_checkActivityEx-in-R-devel-fo.patch 2025-06-30 15:44:28.000000000 +0300
@@ -0,0 +1,39 @@
+From 51b0b0bf5a15d742f20922713018125036df9aa3 Mon Sep 17 00:00:00 2001
+From: Thomas Friedrichsmeier <[email protected]>
+Date: Mon, 29 Jul 2024 14:58:22 +0200
+Subject: Adjust to hiding for R_checkActivityEx in R-devel (for R 4.5)
+
+---
+ rkward/rbackend/rkrapi.h | 2 +-
+ rkward/rbackend/rkreventloop.cpp | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/rkward/rbackend/rkrapi.h b/rkward/rbackend/rkrapi.h
+index 643ac8983..e72f817e2 100644
+--- a/rkward/rbackend/rkrapi.h
++++ b/rkward/rbackend/rkrapi.h
+@@ -323,7 +323,7 @@ IMPORT_R_API(ptr_R_WriteConsoleEx);
+
+ IMPORT_R_API(R_InputHandlers);
+ IMPORT_R_API(R_PolledEvents);
+-IMPORT_R_API(R_checkActivityEx);
++I