diff --git a/.bazelrc b/.bazelrc
index b083e61ee8..0e438514fd 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -22,6 +22,15 @@ build --spawn_strategy=standalone
 build --strategy=SwiftCompile=standalone
 build --define RULES_SWIFT_BUILD_DUMMY_WORKER=1
 
+build:swift_profile --jobs=1
+build:swift_profile --local_cpu_resources=1
+build:swift_profile --features=-swift.enable_batch_mode
+build:swift_profile --experimental_ui_max_stdouterr_bytes=104857600
+build:swift_profile --@build_bazel_rules_swift//swift:copt=-Xfrontend
+build:swift_profile --@build_bazel_rules_swift//swift:copt=-debug-time-function-bodies
+build:swift_profile --@build_bazel_rules_swift//swift:copt=-Xfrontend
+build:swift_profile --@build_bazel_rules_swift//swift:copt=-debug-time-expression-type-checking
+
 common:index_build --experimental_convenience_symlinks=ignore
 common:index_build --bes_backend= --bes_results_url=
 common:index_build --nolegacy_important_outputs
diff --git a/.gitignore b/.gitignore
index 3b9c2f5f79..100cdd7947 100644
--- a/.gitignore
+++ b/.gitignore
@@ -77,3 +77,4 @@ spm-files
 xcode-files
 .bsp/**
 /.claude/
+/buildbox/*
diff --git a/build-system/Make/GenerateProfiles.py b/build-system/Make/GenerateProfiles.py
index 0992d95a82..df51eb6f1f 100644
--- a/build-system/Make/GenerateProfiles.py
+++ b/build-system/Make/GenerateProfiles.py
@@ -5,40 +5,165 @@ import shutil
 import tempfile
 import plistlib
 import argparse
+import subprocess
+import base64
 
 from BuildEnvironment import run_executable_with_output, check_run_system
 
 
-def get_certificate_base64():
-    certificate_data = run_executable_with_output('security', arguments=['find-certificate', '-c', 'Apple Distribution: Telegram FZ-LLC (C67CF9S4VU)', '-p'])
-    certificate_data = certificate_data.replace('-----BEGIN CERTIFICATE-----', '')
-    certificate_data = certificate_data.replace('-----END CERTIFICATE-----', '')
-    certificate_data = certificate_data.replace('\n', '')
-    return certificate_data
+def setup_temp_keychain(p12_path, p12_password=''):
+    """Create a temporary keychain and import the p12 certificate."""
+    keychain_name = 'generate-profiles-temp.keychain'
+    keychain_password = 'temp123'
+
+    # Delete if exists
+    run_executable_with_output('security', arguments=['delete-keychain', keychain_name], check_result=False)
+
+    # Create keychain
+    run_executable_with_output('security', arguments=[
+        'create-keychain', '-p', keychain_password, keychain_name
+    ], check_result=True)
+
+    # Add to search list
+    existing = run_executable_with_output('security', arguments=['list-keychains', '-d', 'user'])
+    run_executable_with_output('security', arguments=[
+        'list-keychains', '-d', 'user', '-s', keychain_name, existing.replace('"', '')
+    ], check_result=True)
+
+    # Unlock and set settings
+    run_executable_with_output('security', arguments=['set-keychain-settings', keychain_name])
+    run_executable_with_output('security', arguments=[
+        'unlock-keychain', '-p', keychain_password, keychain_name
+    ])
+
+    # Import p12
+    run_executable_with_output('security', arguments=[
+        'import', p12_path, '-k', keychain_name, '-P', p12_password,
+        '-T', '/usr/bin/codesign', '-T', '/usr/bin/security'
+    ], check_result=True)
+
+    # Set partition list for access
+    run_executable_with_output('security', arguments=[
+        'set-key-partition-list', '-S', 'apple-tool:,apple:', '-k', keychain_password, keychain_name
+    ], check_result=True)
+
+    return keychain_name
 
 
-def process_provisioning_profile(source, destination, certificate_data):
+def cleanup_temp_keychain(keychain_name):
+    """Remove the temporary keychain."""
+    run_executable_with_output('security', arguments=['delete-keychain', keychain_name], check_result=False)
+
+
+def get_signing_identity_from_p12(p12_path, p12_password=''):
+    """Extract the common name (signing identity) from the p12 certificate."""
+    proc = subprocess.Popen(
+        ['openssl', 'pkcs12', '-in', p12_path, '-passin', 'pass:' + p12_password, '-nokeys', '-legacy'],
+        stdout=subprocess.PIPE, stderr=subprocess.PIPE
+    )
+    cert_pem, _ = proc.communicate()
+
+    proc2 = subprocess.Popen(
+        ['openssl', 'x509', '-noout', '-subject', '-nameopt', 'oneline,-esc_msb'],
+        stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+    )
+    subject, _ = proc2.communicate(cert_pem)
+    subject = subject.decode('utf-8').strip()
+
+    # Parse CN from subject line like: subject= C = AE, O = ..., CN = Some Name
+    if 'CN = ' in subject:
+        cn = subject.split('CN = ')[-1].split(',')[0].strip()
+        return cn
+
+    return None
+
+
+def get_certificate_base64_from_p12(p12_path, p12_password=''):
+    """Extract the certificate as base64 from p12 file."""
+    # Extract certificate in PEM format
+    proc = subprocess.Popen(
+        ['openssl', 'pkcs12', '-in', p12_path, '-passin', 'pass:' + p12_password, '-nokeys', '-legacy'],
+        stdout=subprocess.PIPE, stderr=subprocess.PIPE
+    )
+    cert_pem, _ = proc.communicate()
+
+    # Convert to DER format
+    proc2 = subprocess.Popen(
+        ['openssl', 'x509', '-outform', 'DER'],
+        stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+    )
+    cert_der, _ = proc2.communicate(cert_pem)
+
+    return base64.b64encode(cert_der).decode('utf-8')
+
+
+def process_provisioning_profile(source, destination, certificate_data, signing_identity, keychain_name):
     parsed_plist = run_executable_with_output('security', arguments=['cms', '-D', '-i', source], check_result=True)
     parsed_plist_file = tempfile.mktemp()
     with open(parsed_plist_file, 'w+') as file:
         file.write(parsed_plist)
 
-    run_executable_with_output('plutil', arguments=['-remove', 'DeveloperCertificates.0', parsed_plist_file])
+    # Remove all existing developer certificates
+    while True:
+        result = run_executable_with_output('plutil', arguments=['-remove', 'DeveloperCertificates.0', parsed_plist_file], check_result=False)
+        if result is None or 'Could not' in str(result) or result == '':
+            # Check if the removal actually failed by trying to extract
+            check = run_executable_with_output('plutil', arguments=['-extract', 'DeveloperCertificates.0', 'raw', parsed_plist_file], check_result=False)
+            if check is None or 'Could not' in str(check):
+                break
+
+    # Insert the new certificate
     run_executable_with_output('plutil', arguments=['-insert', 'DeveloperCertificates.0', '-data', certificate_data, parsed_plist_file])
+
+    # Remove the DER-Encoded-Profile (signature)
     run_executable_with_output('plutil', arguments=['-remove', 'DER-Encoded-Profile', parsed_plist_file])
 
-    run_executable_with_output('security', arguments=['cms', '-S', '-N', 'Apple Distribution: Telegram FZ-LLC (C67CF9S4VU)', '-i', parsed_plist_file, '-o', destination])    
+    # Sign with the certificate from the temporary keychain
+    run_executable_with_output('security', arguments=[
+        'cms', '-S', '-k', keychain_name, '-N', signing_identity, '-i', parsed_plist_file, '-o', destination
+    ], check_result=True)
 
     os.unlink(parsed_plist_file)
 
 
-def generate_provisioning_profiles(source_path, destination_path):
-    certificate_data = get_certificate_base64()
+def generate_provisioning_profiles(source_path, destination_path, certs_path):
+    p12_path = os.path.join(certs_path, 'SelfSigned.p12')
 
-    if not os.path.exists(destination_path):
-        print('{} does not exits'.format(destination_path))
+    if not os.path.exists(p12_path):
+        print('{} does not exist'.format(p12_path))
         sys.exit(1)
 
-    for file_name in os.listdir(source_path):
-        if file_name.endswith('.mobileprovision'):
-            process_provisioning_profile(source=source_path + '/' + file_name, destination=destination_path + '/' + file_name, certificate_data=certificate_data)
+    if not os.path.exists(destination_path):
+        print('{} does not exist'.format(destination_path))
+        sys.exit(1)
+
+    # Extract certificate info from p12
+    p12_password = ''  # fake-codesigning uses empty password
+    certificate_data = get_certificate_base64_from_p12(p12_path, p12_password)
+    signing_identity = get_signing_identity_from_p12(p12_path, p12_password)
+
+    if not signing_identity:
+        print('Could not extract signing identity from {}'.format(p12_path))
+        sys.exit(1)
+
+    print('Using signing identity: {}'.format(signing_identity))
+
+    # Setup temporary keychain with the certificate
+    keychain_name = setup_temp_keychain(p12_path, p12_password)
+
+    try:
+        for file_name in os.listdir(source_path):
+            if file_name.endswith('.mobileprovision'):
+                print('Processing {}'.format(file_name))
+                process_provisioning_profile(
+                    source=os.path.join(source_path, file_name),
+                    destination=os.path.join(destination_path, file_name),
+                    certificate_data=certificate_data,
+                    signing_identity=signing_identity,
+                    keychain_name=keychain_name
+                )
+        print('Done. Generated {} profiles.'.format(
+            len([f for f in os.listdir(destination_path) if f.endswith('.mobileprovision')])
+        ))
+    finally:
+        cleanup_temp_keychain(keychain_name)
diff --git a/build-system/Make/Make.py b/build-system/Make/Make.py
index b64eeb5ccd..93b6a56da8 100644
--- a/build-system/Make/Make.py
+++ b/build-system/Make/Make.py
@@ -46,6 +46,7 @@ class BazelCommandLine:
         self.show_actions = False
         self.enable_sandbox = False
         self.disable_provisioning_profiles = False
+        self.profile_swift = False
 
         self.common_args = [
             # https://docs.bazel.build/versions/master/command-line-reference.html
@@ -143,6 +144,9 @@ class BazelCommandLine:
     def set_disable_provisioning_profiles(self):
         self.disable_provisioning_profiles = True
 
+    def set_profile_swift(self, value):
+        self.profile_swift = value
+
     def set_configuration(self, configuration):
         if configuration == 'debug_arm64':
             self.configuration_args = [
@@ -300,6 +304,8 @@ class BazelCommandLine:
             ]
 
         combined_arguments += self.configuration_args
+        if self.profile_swift:
+            combined_arguments += ['--config=swift_profile']
 
         print('TelegramBuild: running')
         print(subprocess.list2cmdline(combined_arguments))
@@ -620,6 +626,7 @@ def build(bazel, arguments):
     bazel_command_line.set_continue_on_error(arguments.continueOnError)
     bazel_command_line.set_show_actions(arguments.showActions)
     bazel_command_line.set_enable_sandbox(arguments.sandbox)
+    bazel_command_line.set_profile_swift(arguments.profileSwift)
 
     bazel_command_line.set_split_swiftmodules(arguments.enableParallelSwiftmoduleGeneration)
 
@@ -972,6 +979,12 @@ if __name__ == '__main__':
         help='Generate .swiftmodule files in parallel to building modules, can speed up compilation on multi-core '
              'systems. '
     )
+    buildParser.add_argument(
+        '--profileSwift',
+        action='store_true',
+        default=False,
+        help='Enable single-core Swift compile profiling flags.'
+    )
     buildParser.add_argument(
         '--target',
         type=str,
@@ -1063,6 +1076,13 @@ if __name__ == '__main__':
         type=str,
         help='Path to the destination directory.'
     )
+    generate_profiles_build_parser.add_argument(
+        '--certsPath',
+        required=False,
+        type=str,
+        default='build-system/fake-codesigning/certs',
+        help='Path to the directory containing SelfSigned.p12 certificate.'
+    )
 
     remote_upload_testflight_parser = subparsers.add_parser('remote-deploy-testflight', help='Build the app using a remote environment.')
     remote_upload_testflight_parser.add_argument(
@@ -1304,7 +1324,7 @@ if __name__ == '__main__':
                 additional_codesigning_output_path=remote_input_path
             )
 
-            GenerateProfiles.generate_provisioning_profiles(source_path=remote_input_path + '/profiles', destination_path=args.destination)
+            GenerateProfiles.generate_provisioning_profiles(source_path=remote_input_path + '/profiles', destination_path=args.destination, certs_path=args.certsPath)
         elif args.commandName == 'remote-deploy-testflight':
             env = os.environ
             if 'APPSTORE_CONNECT_USERNAME' not in env:
diff --git a/build-system/bazel-rules/sourcekit-bazel-bsp b/build-system/bazel-rules/sourcekit-bazel-bsp
index 21edd49ba4..fb08c7e64a 160000
--- a/build-system/bazel-rules/sourcekit-bazel-bsp
+++ b/build-system/bazel-rules/sourcekit-bazel-bsp
@@ -1 +1 @@
-Subproject commit 21edd49ba4db756cc54b104b6b7eb7137801e8c4
+Subproject commit fb08c7e64a421df645dad8963f7f52a9af3f2ecb
diff --git a/build-system/fake-codesigning/BroadcastUpload.mobileprovision b/build-system/fake-codesigning/BroadcastUpload.mobileprovision
deleted file mode 100644
index 76d68f7932..0000000000
Binary files a/build-system/fake-codesigning/BroadcastUpload.mobileprovision and /dev/null differ
diff --git a/build-system/fake-codesigning/profiles/BroadcastUpload.mobileprovision b/build-system/fake-codesigning/profiles/BroadcastUpload.mobileprovision
new file mode 100644
index 0000000000..25a2a4e9b2
Binary files /dev/null and b/build-system/fake-codesigning/profiles/BroadcastUpload.mobileprovision differ
diff --git a/build-system/fake-codesigning/profiles/Intents.mobileprovision b/build-system/fake-codesigning/profiles/Intents.mobileprovision
index 2c3dbc97ff..5d1026994d 100644
Binary files a/build-system/fake-codesigning/profiles/Intents.mobileprovision and b/build-system/fake-codesigning/profiles/Intents.mobileprovision differ
diff --git a/build-system/fake-codesigning/profiles/NotificationContent.mobileprovision b/build-system/fake-codesigning/profiles/NotificationContent.mobileprovision
index 4a550cb1c7..1f3b13bf1a 100644
Binary files a/build-system/fake-codesigning/profiles/NotificationContent.mobileprovision and b/build-system/fake-codesigning/profiles/NotificationContent.mobileprovision differ
diff --git a/build-system/fake-codesigning/profiles/NotificationService.mobileprovision b/build-system/fake-codesigning/profiles/NotificationService.mobileprovision
index aff76a794c..809c9c8a53 100644
Binary files a/build-system/fake-codesigning/profiles/NotificationService.mobileprovision and b/build-system/fake-codesigning/profiles/NotificationService.mobileprovision differ
diff --git a/build-system/fake-codesigning/profiles/Share.mobileprovision b/build-system/fake-codesigning/profiles/Share.mobileprovision
index 5f45bc81be..cc40fa6a2a 100644
Binary files a/build-system/fake-codesigning/profiles/Share.mobileprovision and b/build-system/fake-codesigning/profiles/Share.mobileprovision differ
diff --git a/build-system/fake-codesigning/profiles/Telegram.mobileprovision b/build-system/fake-codesigning/profiles/Telegram.mobileprovision
index 18336d85be..0db3e47c70 100644
Binary files a/build-system/fake-codesigning/profiles/Telegram.mobileprovision and b/build-system/fake-codesigning/profiles/Telegram.mobileprovision differ
diff --git a/build-system/fake-codesigning/profiles/WatchApp.mobileprovision b/build-system/fake-codesigning/profiles/WatchApp.mobileprovision
index 7996879fbe..b766d12ea6 100644
Binary files a/build-system/fake-codesigning/profiles/WatchApp.mobileprovision and b/build-system/fake-codesigning/profiles/WatchApp.mobileprovision differ
diff --git a/build-system/fake-codesigning/profiles/WatchExtension.mobileprovision b/build-system/fake-codesigning/profiles/WatchExtension.mobileprovision
index 3bf56c09fb..43d092ffcc 100644
Binary files a/build-system/fake-codesigning/profiles/WatchExtension.mobileprovision and b/build-system/fake-codesigning/profiles/WatchExtension.mobileprovision differ
diff --git a/build-system/fake-codesigning/profiles/Widget.mobileprovision b/build-system/fake-codesigning/profiles/Widget.mobileprovision
index dfdc9cd48a..e578d141d8 100644
Binary files a/build-system/fake-codesigning/profiles/Widget.mobileprovision and b/build-system/fake-codesigning/profiles/Widget.mobileprovision differ