diff --git a/gnucash/gnucash-cli.cpp b/gnucash/gnucash-cli.cpp
index a679b5af64..8ab5b54f6b 100644
--- a/gnucash/gnucash-cli.cpp
+++ b/gnucash/gnucash-cli.cpp
@@ -129,14 +129,14 @@ Gnucash::GnucashCli::start ([[maybe_unused]] int argc, [[maybe_unused]] char **a
     {
         if (*m_quotes_cmd != "get")
         {
-            std::cerr << bl::format (bl::translate("Unknown quotes command '{1}'")) % *m_quotes_cmd << "\n\n"
+            std::cerr << bl::format (std::string{_("Unknown quotes command '{1}'")}) % *m_quotes_cmd << "\n\n"
             << *m_opt_desc_display.get();
             return 1;
         }
 
         if (!m_file_to_load || m_file_to_load->empty())
         {
-            std::cerr << bl::translate("Missing data file parameter") << "\n\n"
+            std::cerr << _("Missing data file parameter") << "\n\n"
                       << *m_opt_desc_display.get();
             return 1;
         }
@@ -150,7 +150,7 @@ Gnucash::GnucashCli::start ([[maybe_unused]] int argc, [[maybe_unused]] char **a
         {
             if (!m_file_to_load || m_file_to_load->empty())
             {
-                std::cerr << bl::translate("Missing data file parameter") << "\n\n"
+                std::cerr << _("Missing data file parameter") << "\n\n"
                           << *m_opt_desc_display.get();
                 return 1;
             }
@@ -174,7 +174,7 @@ Gnucash::GnucashCli::start ([[maybe_unused]] int argc, [[maybe_unused]] char **a
         else if (*m_report_cmd == "show")
             if (!m_report_name || m_report_name->empty())
             {
-                std::cerr << bl::translate("Missing --name parameter") << "\n\n"
+                std::cerr << _("Missing --name parameter") << "\n\n"
                           << *m_opt_desc_display.get();
                 return 1;
             }
@@ -182,13 +182,13 @@ Gnucash::GnucashCli::start ([[maybe_unused]] int argc, [[maybe_unused]] char **a
                 return Gnucash::report_show (m_file_to_load, m_report_name);
         else
         {
-            std::cerr << bl::format (bl::translate("Unknown report command '{1}'")) % *m_report_cmd << "\n\n"
+            std::cerr << bl::format (std::string{_("Unknown report command '{1}'")}) % *m_report_cmd << "\n\n"
                       << *m_opt_desc_display.get();
             return 1;
         }
     }
 
-    std::cerr << bl::translate("Missing command or option") << "\n\n"
+    std::cerr << _("Missing command or option") << "\n\n"
               << *m_opt_desc_display.get();
 
     return 1;
diff --git a/gnucash/gnucash-commands.cpp b/gnucash/gnucash-commands.cpp
index 3a5edb8f36..0befa04c23 100644
--- a/gnucash/gnucash-commands.cpp
+++ b/gnucash/gnucash-commands.cpp
@@ -89,7 +89,7 @@ scm_add_quotes(void *data, [[maybe_unused]] int argc, [[maybe_unused]] char **ar
 
     if (!gnc_quote_source_fq_installed())
     {
-        std::cerr << bl::translate ("No quotes retrieved. Finance::Quote isn't "
+        std::cerr << _("No quotes retrieved. Finance::Quote isn't "
                                     "installed properly.") << "\n";
         scm_cleanup_and_exit_with_failure (nullptr);
     }
diff --git a/gnucash/gnucash-core-app.cpp b/gnucash/gnucash-core-app.cpp
index eb47165532..7e9962a589 100644
--- a/gnucash/gnucash-core-app.cpp
+++ b/gnucash/gnucash-core-app.cpp
@@ -78,12 +78,12 @@ gnc_print_unstable_message(void)
 {
     if (!is_development_version) return;
 
-    std::cerr << bl::translate ("This is a development version. It may or may not work.") << "\n"
-              << bl::translate ("Report bugs and other problems to gnucash-devel@gnucash.org") << "\n"
+    std::cerr << _("This is a development version. It may or may not work.") << "\n"
+              << _("Report bugs and other problems to gnucash-devel@gnucash.org") << "\n"
               /* Translators: {1} will be replaced with an URL*/
-              << bl::format (bl::translate ("You can also lookup and file bug reports at {1}")) % PACKAGE_BUGREPORT << "\n"
+              << bl::format (std::string{_("You can also lookup and file bug reports at {1}")}) % PACKAGE_BUGREPORT << "\n"
               /* Translators: {1} will be replaced with an URL*/
-              << bl::format (bl::translate ("To find the last stable version, please refer to {1}")) % PACKAGE_URL << "\n";
+              << bl::format (std::string{_("To find the last stable version, please refer to {1}")}) % PACKAGE_URL << "\n";
 }
 
 static void
@@ -100,8 +100,8 @@ Gnucash::gnc_load_scm_config (void)
     if (!is_system_config_loaded)
     {
         /* Translators: Guile is the programming language of the reports */
-        auto msg = bl::translate ("Loading system wide Guile extensions…").str (gnc_get_boost_locale());
-        update_message (msg.c_str());
+        auto msg = _("Loading system wide Guile extensions…");
+        update_message (msg);
         auto system_config_dir = gnc_path_get_pkgsysconfdir ();
         auto system_config = g_build_filename (system_config_dir, "config", nullptr);
         is_system_config_loaded = gfec_try_load (system_config);
@@ -112,8 +112,8 @@ Gnucash::gnc_load_scm_config (void)
     static auto is_user_config_loaded = false;
     if (!is_user_config_loaded)
     {
-        auto msg = bl::translate ("Loading user specific Guile extensions…").str (gnc_get_boost_locale());
-        update_message (msg.c_str());
+        auto msg = _("Loading user specific Guile extensions…");
+        update_message (msg);
         auto config_filename = g_build_filename (gnc_userconfig_dir (), "config-user.scm", nullptr);
         is_user_config_loaded = gfec_try_load (config_filename);
         g_free (config_filename);
@@ -210,6 +210,7 @@ Gnucash::CoreApp::CoreApp ()
 
     gnc_init_boost_locale (localedir);
     std::cerr.imbue (gnc_get_boost_locale());
+    std::cout.imbue (gnc_get_boost_locale());
     g_free(localedir);
 }
 
@@ -221,9 +222,9 @@ Gnucash::CoreApp::CoreApp (const char* app_name)
     m_app_name = std::string(app_name);
 
     // Now that gettext is properly initialized, set our help tagline.
-    m_tagline = bl::translate("- GnuCash, accounting for personal and small business finance").str(gnc_get_boost_locale());
+    m_tagline = _("- GnuCash, accounting for personal and small business finance");
     m_opt_desc_display = std::make_unique<bpo::options_description>
-        ((bl::format (bl::gettext ("{1} [options] [datafile]", gnc_get_boost_locale())) % m_app_name).str() + std::string(" ") + m_tagline);
+        ((bl::format (std::string{_("{1} [options] [datafile]")}) % m_app_name).str() + std::string(" ") + m_tagline);
     add_common_program_options();
 }
 
@@ -267,15 +268,15 @@ Gnucash::CoreApp::parse_command_line (int argc, char **argv)
 
     if (m_show_version)
     {
-        bl::format rel_fmt (bl::translate ("GnuCash {1}"));
-        bl::format dev_fmt (bl::translate ("GnuCash {1} development version"));
+        bl::format rel_fmt (std::string{_("GnuCash {1}")});
+        bl::format dev_fmt (std::string{_("GnuCash {1} development version")});
 
         if (is_development_version)
             std::cout << dev_fmt % gnc_version () << "\n";
         else
             std::cout << rel_fmt % gnc_version () << "\n";
 
-        std::cout << bl::translate ("Build ID") << ": " << gnc_build_id () << "\n";
+        std::cout << _("Build ID") << ": " << gnc_build_id () << "\n";
         exit(0);
     }
 
diff --git a/gnucash/gnucash.cpp b/gnucash/gnucash.cpp
index dd7257116f..d32c21018a 100644
--- a/gnucash/gnucash.cpp
+++ b/gnucash/gnucash.cpp
@@ -170,8 +170,8 @@ scm_run_gnucash (void *data, [[maybe_unused]] int argc, [[maybe_unused]] char **
     gnc_hook_add_dangler(HOOK_UI_SHUTDOWN, (GFunc)gnc_file_quit, NULL, NULL);
 
     /* Install Price Quote Sources */
-    auto msg = bl::translate ("Checking Finance::Quote...").str(gnc_get_boost_locale());
-    gnc_update_splash_screen (msg.c_str(), GNC_SPLASH_PERCENTAGE_UNKNOWN);
+    auto msg = _("Checking Finance::Quote...");
+    gnc_update_splash_screen (msg, GNC_SPLASH_PERCENTAGE_UNKNOWN);
     scm_c_use_module("gnucash price-quotes");
     scm_c_eval_string("(gnc:price-quotes-install-sources)");
 
@@ -179,8 +179,8 @@ scm_run_gnucash (void *data, [[maybe_unused]] int argc, [[maybe_unused]] char **
 
     if (!user_file_spec->nofile && (fn = get_file_to_load (user_file_spec->file_to_load)) && *fn )
     {
-        auto msg = bl::translate ("Loading data...").str(gnc_get_boost_locale());
-        gnc_update_splash_screen (msg.c_str(), GNC_SPLASH_PERCENTAGE_UNKNOWN);
+        auto msg = _("Loading data...");
+        gnc_update_splash_screen (msg, GNC_SPLASH_PERCENTAGE_UNKNOWN);
         gnc_file_open_file(gnc_get_splash_screen(), fn, /*open_readonly*/ FALSE);
         g_free(fn);
     }
@@ -309,11 +309,11 @@ Gnucash::Gnucash::start ([[maybe_unused]] int argc, [[maybe_unused]] char **argv
     // Will be removed in 5.0
     if (m_add_quotes)
     {
-        std::cerr << bl::translate ("The '--add-price-quotes' option to gnucash has been deprecated and will be removed in GnuCash 5.0. "
-                                    "Please use 'gnucash-cli --quotes get <datafile>' instead.") << "\n";
+        std::cerr << _("The '--add-price-quotes' option to gnucash has been deprecated and will be removed in GnuCash 5.0. "
+                       "Please use 'gnucash-cli --quotes get <datafile>' instead.") << "\n";
         if (!m_file_to_load || m_file_to_load->empty())
         {
-            std::cerr << bl::translate("Missing data file parameter") << "\n\n"
+            std::cerr << _("Missing data file parameter") << "\n\n"
             << *m_opt_desc_display.get();
             return 1;
         }
@@ -345,10 +345,10 @@ main(int argc, char ** argv)
     /* We need to initialize gtk before looking up all modules */
     if(!gtk_init_check (&argc, &argv))
     {
-        std::cerr << bl::format (bl::translate ("Run '{1} --help' to see a full list of available command line options.")) % *argv[0]
+        std::cerr << bl::format (std::string{("Run '{1} --help' to see a full list of available command line options.")}) % *argv[0]
         << "\n"
         // Translators: Do not translate $DISPLAY! It is an environment variable for X11
-        << bl::translate ("Error: could not initialize graphical user interface and option add-price-quotes was not set.\n"
+        << _("Error: could not initialize graphical user interface and option add-price-quotes was not set.\n"
         "Perhaps you need to set the $DISPLAY environment variable?");
         return 1;
     }
diff --git a/gnucash/import-export/csv-imp/assistant-csv-trans-import.cpp b/gnucash/import-export/csv-imp/assistant-csv-trans-import.cpp
index 8c499d93a2..983ee7f51b 100644
--- a/gnucash/import-export/csv-imp/assistant-csv-trans-import.cpp
+++ b/gnucash/import-export/csv-imp/assistant-csv-trans-import.cpp
@@ -2122,7 +2122,7 @@ CsvImpTransAssist::assist_summary_page_prepare ()
     try
     {
     /* Translators: {1} will be replaced with a filename */
-      text += (bl::format (bl::translate ("The transactions were imported from file '{1}'.")) % m_file_name).str(gnc_get_boost_locale());
+        text += (bl::format (std::string{_("The transactions were imported from file '{1}'.")}) % m_file_name).str();
         text += "</b></span>";
     }
     catch (const bl::conv::conversion_error& err)
diff --git a/gnucash/import-export/csv-imp/gnc-imp-props-price.cpp b/gnucash/import-export/csv-imp/gnc-imp-props-price.cpp
index b92e2a7231..cbeedfce94 100644
--- a/gnucash/import-export/csv-imp/gnc-imp-props-price.cpp
+++ b/gnucash/import-export/csv-imp/gnc-imp-props-price.cpp
@@ -235,16 +235,16 @@ void GncImportPrice::set (GncPricePropType prop_type, const std::string& value,
     }
     catch (const std::invalid_argument& e)
     {
-        auto err_str = (bl::format (bl::translate ("Column '{1}' could not be understood.\n")) %
-                        bl::translate (gnc_price_col_type_strs[prop_type])).str(gnc_get_boost_locale()) +
+        auto err_str = (bl::format (std::string{_("Column '{1}' could not be understood.\n")}) %
+                        std::string{_(gnc_price_col_type_strs[prop_type])}).str() +
                         e.what();
         m_errors.emplace(prop_type, err_str);
         throw std::invalid_argument (err_str);
     }
     catch (const std::out_of_range& e)
     {
-        auto err_str = (bl::format (bl::translate ("Column '{1}' could not be understood.\n")) %
-                        bl::translate (gnc_price_col_type_strs[prop_type])).str(gnc_get_boost_locale()) +
+        auto err_str = (bl::format (std::string{_("Column '{1}' could not be understood.\n")}) %
+                        std::string{_(gnc_price_col_type_strs[prop_type])}).str() +
                         e.what();
         m_errors.emplace(prop_type, err_str);
         throw std::invalid_argument (err_str);
diff --git a/gnucash/import-export/csv-imp/gnc-imp-props-tx.cpp b/gnucash/import-export/csv-imp/gnc-imp-props-tx.cpp
index 4b3dee706e..8196856c67 100644
--- a/gnucash/import-export/csv-imp/gnc-imp-props-tx.cpp
+++ b/gnucash/import-export/csv-imp/gnc-imp-props-tx.cpp
@@ -289,16 +289,16 @@ void GncPreTrans::set (GncTransPropType prop_type, const std::string& value)
     }
     catch (const std::invalid_argument& e)
     {
-        auto err_str = (bl::format (bl::translate ("Column '{1}' could not be understood.\n")) %
-                        bl::translate (gnc_csv_col_type_strs[prop_type])).str(gnc_get_boost_locale()) +
+        auto err_str = (bl::format (std::string{_("Column '{1}' could not be understood.\n")}) %
+                        std::string{_(gnc_csv_col_type_strs[prop_type])}).str() +
                         e.what();
         m_errors.emplace(prop_type, err_str);
         throw std::invalid_argument (err_str);
     }
     catch (const std::out_of_range& e)
     {
-        auto err_str = (bl::format (bl::translate ("Column '{1}' could not be understood.\n")) %
-                        bl::translate (gnc_csv_col_type_strs[prop_type])).str(gnc_get_boost_locale()) +
+        auto err_str = (bl::format (std::string{_("Column '{1}' could not be understood.\n")}) %
+                        std::string{_(gnc_csv_col_type_strs[prop_type])}).str() +
                         e.what();
         m_errors.emplace(prop_type, err_str);
         throw std::invalid_argument (err_str);
@@ -508,16 +508,16 @@ void GncPreSplit::set (GncTransPropType prop_type, const std::string& value)
     }
     catch (const std::invalid_argument& e)
     {
-        auto err_str = (bl::format (bl::translate ("Column '{1}' could not be understood.\n")) %
-                        bl::translate (gnc_csv_col_type_strs[prop_type])).str(gnc_get_boost_locale()) +
+        auto err_str = (bl::format (std::string{_("Column '{1}' could not be understood.\n")}) %
+                        std::string{_(gnc_csv_col_type_strs[prop_type])}).str() +
                         e.what();
         m_errors.emplace(prop_type, err_str);
         throw std::invalid_argument (err_str);
     }
     catch (const std::out_of_range& e)
     {
-        auto err_str = (bl::format (bl::translate ("Column '{1}' could not be understood.\n")) %
-                        bl::translate (gnc_csv_col_type_strs[prop_type])).str(gnc_get_boost_locale()) +
+        auto err_str = (bl::format (std::string{_("Column '{1}' could not be understood.\n")}) %
+                        std::string{_(gnc_csv_col_type_strs[prop_type])}).str() +
                         e.what();
         m_errors.emplace(prop_type, err_str);
         throw std::invalid_argument (err_str);
@@ -571,16 +571,16 @@ void GncPreSplit::add (GncTransPropType prop_type, const std::string& value)
     }
     catch (const std::invalid_argument& e)
     {
-        auto err_str = (bl::format (bl::translate ("Column '{1}' could not be understood.\n")) %
-                        bl::translate (gnc_csv_col_type_strs[prop_type])).str(gnc_get_boost_locale()) +
+        auto err_str = (bl::format (std::string{_("Column '{1}' could not be understood.\n")}) %
+                        std::string{_(gnc_csv_col_type_strs[prop_type])}).str() +
                         e.what();
         m_errors.emplace(prop_type, err_str);
         throw std::invalid_argument (err_str);
     }
     catch (const std::out_of_range& e)
     {
-        auto err_str = (bl::format (bl::translate ("Column '{1}' could not be understood.\n")) %
-                        bl::translate (gnc_csv_col_type_strs[prop_type])).str(gnc_get_boost_locale()) +
+        auto err_str = (bl::format (std::string{_("Column '{1}' could not be understood.\n")}) %
+                        std::string{_(gnc_csv_col_type_strs[prop_type])}).str() +
                         e.what();
         m_errors.emplace(prop_type, err_str);
         throw std::invalid_argument (err_str);
diff --git a/libgnucash/core-utils/gnc-filepath-utils.cpp b/libgnucash/core-utils/gnc-filepath-utils.cpp
index fff18878cc..d65038a2ff 100644
--- a/libgnucash/core-utils/gnc-filepath-utils.cpp
+++ b/libgnucash/core-utils/gnc-filepath-utils.cpp
@@ -671,35 +671,35 @@ static std::string migrate_gnc_datahome()
 
     /* Step 3: inform the user of additional changes */
     if (full_copy || !succeeded.empty() || !conf_exist_vec.empty() || !failed.empty())
-        migration_msg << bl::translate ("Notice") << std::endl << std::endl;
+        migration_msg << _("Notice") << std::endl << std::endl;
 
     if (full_copy)
     {
         migration_msg
-        << bl::translate ("Your gnucash metadata has been migrated.") << std::endl << std::endl
+        << _("Your gnucash metadata has been migrated.") << std::endl << std::endl
         /* Translators: this refers to a directory name. */
-        << bl::translate ("Old location:") << " " << old_dir.string() << std::endl
+        << _("Old location:") << " " << old_dir.string() << std::endl
         /* Translators: this refers to a directory name. */
-        << bl::translate ("New location:") << " " << gnc_userdata_home.string() << std::endl << std::endl
+        << _("New location:") << " " << gnc_userdata_home.string() << std::endl << std::endl
         // Translators {1} will be replaced with the package name (typically Gnucash) at runtime
-        << bl::format (bl::translate ("If you no longer intend to run {1} 2.6.x or older on this system you can safely remove the old directory."))
+        << bl::format (std::string{_("If you no longer intend to run {1} 2.6.x or older on this system you can safely remove the old directory.")})
         % PACKAGE_NAME;
     }
 
     if (full_copy &&
         (!succeeded.empty() || !conf_exist_vec.empty() || !failed.empty()))
         migration_msg << std::endl << std::endl
-                        << bl::translate ("In addition:");
+                        << _("In addition:");
 
     if (!succeeded.empty())
     {
         migration_msg << std::endl << std::endl;
         if (full_copy)
-            migration_msg << bl::format (bl::translate ("The following file has been copied to {1} instead:",
+            migration_msg << bl::format (std::string{ngettext("The following file has been copied to {1} instead:",
                                                         "The following files have been copied to {1} instead:",
-                                                        succeeded.size())) % gnc_userconfig_home.string().c_str();
+                                                       succeeded.size())}) % gnc_userconfig_home.string().c_str();
         else
-            migration_msg << bl::format (bl::translate ("The following file in {1} has been renamed:"))
+            migration_msg << bl::format (std::string{_("The following file in {1} has been renamed:")})
                                          % gnc_userconfig_home.string().c_str();
 
         migration_msg << std::endl;
@@ -708,8 +708,8 @@ static std::string migrate_gnc_datahome()
     }
     if (!conf_exist_vec.empty())
     {
-        migration_msg << std::endl << std::endl
-                      << bl::translate ("The following file has become obsolete and will be ignored:",
+        migration_msg << "\n\n" 
+                      << ngettext("The following file has become obsolete and will be ignored:",
                                         "The following files have become obsolete and will be ignored:",
                                         conf_exist_vec.size())
                       << std::endl;
@@ -719,9 +719,9 @@ static std::string migrate_gnc_datahome()
     if (!failed.empty())
     {
         migration_msg << std::endl << std::endl
-                      << bl::format (bl::translate ("The following file could not be moved to {1}:",
+                      << bl::format (std::string{ngettext("The following file could not be moved to {1}:",
                                                     "The following files could not be moved to {1}:",
-                                                    failed.size())) % gnc_userconfig_home.string().c_str()
+                                                          failed.size())}) % gnc_userconfig_home.string().c_str()
                       << std::endl;
         for (auto failed_file : failed)
             migration_msg << "- " << failed_file << std::endl;