diff --git a/.github/workflows/challenge-tests.yml b/.github/workflows/challenge-tests.yml
index 36f973f9b7..f55cf68f47 100644
--- a/.github/workflows/challenge-tests.yml
+++ b/.github/workflows/challenge-tests.yml
@@ -54,8 +54,7 @@ jobs:
     - name: Install Bun
       uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6  # v2.2.0
       with:
-        # minimum supported version is 1.0.31 but earliest available Windows version is 1.1.0
-        bun-version: ${{ (matrix.os == 'windows-latest' && '1.1.0') || '1.0.31' }}
+        bun-version: '1.2.11'  # minimum supported version
         no-cache: true
     - name: Install Node
       uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e  # v6.4.0
diff --git a/test/test_jsc/conftest.py b/test/test_jsc/conftest.py
index 28d6734122..07c30b7b06 100644
--- a/test/test_jsc/conftest.py
+++ b/test/test_jsc/conftest.py
@@ -45,7 +45,7 @@ class MockLogger:
     def debug(self, message: str, *, once=False):
         print(f'debug: {message}')
 
-    def info(self, message: str):
+    def info(self, message: str, *, once=False):
         print(f'info: {message}')
 
     def warning(self, message: str, *, once=False):
diff --git a/yt_dlp/extractor/youtube/jsc/_builtin/bun.py b/yt_dlp/extractor/youtube/jsc/_builtin/bun.py
index 8b0a6e5510..3f6dff0a71 100644
--- a/yt_dlp/extractor/youtube/jsc/_builtin/bun.py
+++ b/yt_dlp/extractor/youtube/jsc/_builtin/bun.py
@@ -45,6 +45,8 @@ class BunJCP(EJSBaseJCP, BuiltinIEContentProvider):
     JS_RUNTIME_NAME = 'bun'
     BUN_NPM_LIB_FILENAME = 'yt.solver.bun.lib.js'
     SUPPORTED_PROXY_SCHEMES = ['http', 'https']
+    _BUN_MAX_SUPPORTED_VERSION = (1, 3, 14)
+    _BUN_DEPRECATION_URL = 'https://github.com/yt-dlp/yt-dlp/issues/16766'
 
     def _iter_script_sources(self):
         yield from super()._iter_script_sources()
@@ -112,6 +114,19 @@ class BunJCP(EJSBaseJCP, BuiltinIEContentProvider):
         return options
 
     def _run_js_runtime(self, stdin: str, /) -> str:
+        is_unsupported_version = self.runtime_info.version_tuple > self._BUN_MAX_SUPPORTED_VERSION
+        if is_unsupported_version:
+            self.logger.warning(
+                f'bun version {".".join(map(str, self.runtime_info.version_tuple))} is not supported! '
+                f'{".".join(map(str, self._BUN_MAX_SUPPORTED_VERSION))} is the last supported bun version. '
+                f'{self.ie._downloader._format_err("DO NOT", self.ie._downloader.Styles.ERROR)} '
+                f'open a bug report even if you encounter any errors!',
+                once=True)
+        else:
+            self.logger.info(
+                f'bun support has been deprecated. See  {self._BUN_DEPRECATION_URL}  for details',
+                once=True)
+
         # https://bun.com/docs/cli/run
         options = ['--no-addons', '--prefer-offline']
         if self._lib_script.variant == ScriptVariant.BUN_NPM:
@@ -136,7 +151,7 @@ class BunJCP(EJSBaseJCP, BuiltinIEContentProvider):
                 msg = f'Error running bun process (returncode: {proc.returncode})'
                 if stderr:
                     msg = f'{msg}: {stderr.strip()}'
-                raise JsChallengeProviderError(msg)
+                raise JsChallengeProviderError(msg, expected=is_unsupported_version)
         return stdout
 
     def _clean_stderr(self, stderr):
diff --git a/yt_dlp/extractor/youtube/pot/_director.py b/yt_dlp/extractor/youtube/pot/_director.py
index ae1edc46ae..9e467c8092 100644
--- a/yt_dlp/extractor/youtube/pot/_director.py
+++ b/yt_dlp/extractor/youtube/pot/_director.py
@@ -64,9 +64,9 @@ class YoutubeIEContentProviderLogger(IEContentProviderLogger):
         if self.log_level <= self.LogLevel.DEBUG:
             self.__ie.write_debug(self._format_msg(message), only_once=once)
 
-    def info(self, message: str):
+    def info(self, message: str, *, once=False):
         if self.log_level <= self.LogLevel.INFO:
-            self.__ie.to_screen(self._format_msg(message))
+            self.__ie.to_screen(self._format_msg(message), only_once=once)
 
     def warning(self, message: str, *, once=False):
         if self.log_level <= self.LogLevel.WARNING:
diff --git a/yt_dlp/extractor/youtube/pot/_provider.py b/yt_dlp/extractor/youtube/pot/_provider.py
index 3aa467342f..0ba7c3039f 100644
--- a/yt_dlp/extractor/youtube/pot/_provider.py
+++ b/yt_dlp/extractor/youtube/pot/_provider.py
@@ -40,7 +40,7 @@ class IEContentProviderLogger(abc.ABC):
         pass
 
     @abc.abstractmethod
-    def info(self, message: str):
+    def info(self, message: str, *, once=False):
         pass
 
     @abc.abstractmethod
diff --git a/yt_dlp/utils/_jsruntime.py b/yt_dlp/utils/_jsruntime.py
index a1a647e670..b77bb9fd05 100644
--- a/yt_dlp/utils/_jsruntime.py
+++ b/yt_dlp/utils/_jsruntime.py
@@ -102,7 +102,7 @@ class DenoJsRuntime(JsRuntime):
 
 
 class BunJsRuntime(JsRuntime):
-    MIN_SUPPORTED_VERSION = (1, 0, 31)
+    MIN_SUPPORTED_VERSION = (1, 2, 11)
 
     def _info(self):
         path = _determine_runtime_path(self._path, 'bun')