diff --git a/USER_MANUAL.html b/USER_MANUAL.html
index 9b97f8bb..3755418d 100644
--- a/USER_MANUAL.html
+++ b/USER_MANUAL.html
@@ -1113,6 +1113,10 @@ properly with other columns. (PR #922)</li>
 <span class="citation" data-cites="relistan">@relistan</span>!)</li>
 <li>Add note about using XWayland on Linux. (PR #926)</li>
 </ul></li>
+<li>Build system:
+<ul>
+<li>Update Hamlib to 4.6.3 (macOS/Windows). (PR #930)</li>
+</ul></li>
 </ol>
 <h2 data-number="18.2" id="v2.0.0-june-2025"><span
 class="header-section-number">18.2</span> V2.0.0 June 2025</h2>
diff --git a/USER_MANUAL.md b/USER_MANUAL.md
index 00ec71e2..5b510164 100644
--- a/USER_MANUAL.md
+++ b/USER_MANUAL.md
@@ -803,6 +803,7 @@ LDPC | Low Density Parity Check Codes - a family of powerful FEC codes
     * Reduce CPU usage of FreeDV Reporter window by only re-sorting if we actually get new data from the server. (PR #915)
     * FreeDV Reporter: Fix issue with first column not being aligned properly with other columns. (PR #922)
     * FreeDV Reporter: Work around Linux bug preventing some flag emojis from being fully deleted on backspace. (PR #931)
+    * Fix GTK+ assertion after FreeDV Reporter has been open for a long time. (PR #929)
 2. Documentation:
     * Add missing dependency for macOS builds to README. (PR #925; thanks @relistan!)
     * Add note about using XWayland on Linux. (PR #926)
diff --git a/USER_MANUAL.pdf b/USER_MANUAL.pdf
index 86b0d417..89c32a8d 100644
Binary files a/USER_MANUAL.pdf and b/USER_MANUAL.pdf differ
diff --git a/src/gui/dialogs/freedv_reporter.cpp b/src/gui/dialogs/freedv_reporter.cpp
index 76993843..3e5f707e 100644
--- a/src/gui/dialogs/freedv_reporter.cpp
+++ b/src/gui/dialogs/freedv_reporter.cpp
@@ -1405,9 +1405,24 @@ double FreeDVReporterDialog::FreeDVReporterDataModel::RadiansToDegrees_(double r
 void FreeDVReporterDialog::FreeDVReporterDataModel::execQueuedAction_()
 {
     // This ensures that we handle server events in the order they're received.
-    std::unique_lock<std::mutex> lk(fnQueueMtx_);
-    fnQueue_[0]();
-    fnQueue_.erase(fnQueue_.begin());
+    std::unique_lock<std::mutex> lk(fnQueueMtx_, std::defer_lock_t());
+    lk.lock();
+    auto size = fnQueue_.size();
+    lk.unlock();
+
+    while(size > 0)
+    {
+        lk.lock();
+        auto fn = fnQueue_[0];
+        lk.unlock();
+
+        fn();
+
+        lk.lock();
+        fnQueue_.erase(fnQueue_.begin());
+        size = fnQueue_.size();
+        lk.unlock();
+    }
 }
 
 FreeDVReporterDialog::FilterFrequency FreeDVReporterDialog::getFilterForFrequency_(uint64_t freq)