diff --git a/Doxyfile b/Doxyfile
index b43b5a428e..f9deb32899 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = ESPHome
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2026.2.0b3
+PROJECT_NUMBER         = 2026.2.0b4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/esphome/components/openthread/openthread_esp.cpp b/esphome/components/openthread/openthread_esp.cpp
index 79cd809809..ec212d1f68 100644
--- a/esphome/components/openthread/openthread_esp.cpp
+++ b/esphome/components/openthread/openthread_esp.cpp
@@ -115,7 +115,7 @@ void OpenThreadComponent::ot_main() {
       ESP_LOGE(TAG, "Failed to set OpenThread pollperiod.");
     }
     uint32_t link_polling_period = otLinkGetPollPeriod(esp_openthread_get_instance());
-    ESP_LOGD(TAG, "Link Polling Period: %d", link_polling_period);
+    ESP_LOGD(TAG, "Link Polling Period: %" PRIu32, link_polling_period);
   }
   link_mode_config.mRxOnWhenIdle = this->poll_period == 0;
   link_mode_config.mDeviceType = false;
diff --git a/esphome/const.py b/esphome/const.py
index fd916da92b..f494b5d41e 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -4,7 +4,7 @@ from enum import Enum
 
 from esphome.enum import StrEnum
 
-__version__ = "2026.2.0b3"
+__version__ = "2026.2.0b4"
 
 ALLOWED_NAME_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789-_"
 VALID_SUBSTITUTIONS_CHARACTERS = (