diff --git a/esphome/components/lvgl/helpers.py b/esphome/components/lvgl/helpers.py
index 8d5b6354bb..c2bd58f71c 100644
--- a/esphome/components/lvgl/helpers.py
+++ b/esphome/components/lvgl/helpers.py
@@ -3,6 +3,8 @@ import re
 from esphome import config_validation as cv
 from esphome.const import CONF_ARGS, CONF_FORMAT
 
+CONF_IF_NAN = "if_nan"
+
 lv_uses = {
     "USER_DATA",
     "LOG",
@@ -21,23 +23,48 @@ lv_fonts_used = set()
 esphome_fonts_used = set()
 lvgl_components_required = set()
 
-
-def validate_printf(value):
-    cfmt = r"""
+# noqa
+f_regex = re.compile(
+    r"""
     (                                  # start of capture group 1
     %                                  # literal "%"
-    (?:[-+0 #]{0,5})                   # optional flags
+    [-+0 #]{0,5}                   # optional flags
+    (?:\d+|\*)?                        # width
+    (?:\.(?:\d+|\*))?                  # precision
+    (?:h|l|ll|w|I|I32|I64)?            # size
+    f                                  # type
+    )
+    """,
+    flags=re.VERBOSE,
+)
+# noqa
+c_regex = re.compile(
+    r"""
+    (                                  # start of capture group 1
+    %                                  # literal "%"
+    [-+0 #]{0,5}                   # optional flags
     (?:\d+|\*)?                        # width
     (?:\.(?:\d+|\*))?                  # precision
     (?:h|l|ll|w|I|I32|I64)?            # size
     [cCdiouxXeEfgGaAnpsSZ]             # type
     )
-    """  # noqa
-    matches = re.findall(cfmt, value[CONF_FORMAT], flags=re.VERBOSE)
+    """,
+    flags=re.VERBOSE,
+)
+
+
+def validate_printf(value):
+    format_string = value[CONF_FORMAT]
+    matches = c_regex.findall(format_string)
     if len(matches) != len(value[CONF_ARGS]):
         raise cv.Invalid(
             f"Found {len(matches)} printf-patterns ({', '.join(matches)}), but {len(value[CONF_ARGS])} args were given!"
         )
+
+    if value.get(CONF_IF_NAN) and len(f_regex.findall(format_string)) != 1:
+        raise cv.Invalid(
+            "Use of 'if_nan' requires a single valid printf-pattern of type %f"
+        )
     return value
 
 
diff --git a/esphome/components/lvgl/lv_validation.py b/esphome/components/lvgl/lv_validation.py
index 9fe72128ce..045258555c 100644
--- a/esphome/components/lvgl/lv_validation.py
+++ b/esphome/components/lvgl/lv_validation.py
@@ -33,7 +33,13 @@ from .defines import (
     call_lambda,
     literal,
 )
-from .helpers import add_lv_use, esphome_fonts_used, lv_fonts_used, requires_component
+from .helpers import (
+    CONF_IF_NAN,
+    add_lv_use,
+    esphome_fonts_used,
+    lv_fonts_used,
+    requires_component,
+)
 from .types import lv_font_t, lv_gradient_t
 
 opacity_consts = LvConstant("LV_OPA_", "TRANSP", "COVER")
@@ -412,7 +418,13 @@ class TextValidator(LValidator):
                 str_args = [str(x) for x in value[CONF_ARGS]]
                 arg_expr = cg.RawExpression(",".join(str_args))
                 format_str = cpp_string_escape(format_str)
-                return literal(f"str_sprintf({format_str}, {arg_expr}).c_str()")
+                sprintf_str = f"str_sprintf({format_str}, {arg_expr}).c_str()"
+                if nanval := value.get(CONF_IF_NAN):
+                    nanval = cpp_string_escape(nanval)
+                    return literal(
+                        f"(std::isfinite({arg_expr}) ? {sprintf_str} : {nanval})"
+                    )
+                return literal(sprintf_str)
             if time_format := value.get(CONF_TIME_FORMAT):
                 source = value[CONF_TIME]
                 if isinstance(source, Lambda):
diff --git a/esphome/components/lvgl/schemas.py b/esphome/components/lvgl/schemas.py
index dd248d0b94..0dcf420f24 100644
--- a/esphome/components/lvgl/schemas.py
+++ b/esphome/components/lvgl/schemas.py
@@ -20,7 +20,7 @@ from esphome.core.config import StartupTrigger
 
 from . import defines as df, lv_validation as lvalid
 from .defines import CONF_TIME_FORMAT, LV_GRAD_DIR
-from .helpers import requires_component, validate_printf
+from .helpers import CONF_IF_NAN, requires_component, validate_printf
 from .layout import (
     FLEX_OBJ_SCHEMA,
     GRID_CELL_SCHEMA,
@@ -54,6 +54,7 @@ PRINTF_TEXT_SCHEMA = cv.All(
         {
             cv.Required(CONF_FORMAT): cv.string,
             cv.Optional(CONF_ARGS, default=list): cv.ensure_list(cv.lambda_),
+            cv.Optional(CONF_IF_NAN): cv.string,
         },
     ),
     validate_printf,
diff --git a/esphome/components/mqtt/mqtt_binary_sensor.cpp b/esphome/components/mqtt/mqtt_binary_sensor.cpp
index 3f9089bef8..479cee205a 100644
--- a/esphome/components/mqtt/mqtt_binary_sensor.cpp
+++ b/esphome/components/mqtt/mqtt_binary_sensor.cpp
@@ -30,11 +30,12 @@ MQTTBinarySensorComponent::MQTTBinarySensorComponent(binary_sensor::BinarySensor
 }
 
 void MQTTBinarySensorComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   const auto device_class = this->binary_sensor_->get_device_class_ref();
   if (!device_class.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_DEVICE_CLASS] = device_class;
   }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
   if (this->binary_sensor_->is_status_binary_sensor())
     root[MQTT_PAYLOAD_ON] = mqtt::global_mqtt_client->get_availability().payload_available;
   if (this->binary_sensor_->is_status_binary_sensor())
diff --git a/esphome/components/mqtt/mqtt_component.cpp b/esphome/components/mqtt/mqtt_component.cpp
index 6bcb179f72..1cd818964e 100644
--- a/esphome/components/mqtt/mqtt_component.cpp
+++ b/esphome/components/mqtt/mqtt_component.cpp
@@ -89,11 +89,12 @@ bool MQTTComponent::send_discovery_() {
 
         if (this->is_disabled_by_default_())
           root[MQTT_ENABLED_BY_DEFAULT] = false;
+        // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
         const auto icon_ref = this->get_icon_ref_();
         if (!icon_ref.empty()) {
-          // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
           root[MQTT_ICON] = icon_ref;
         }
+        // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 
         const auto entity_category = this->get_entity()->get_entity_category();
         switch (entity_category) {
diff --git a/esphome/components/mqtt/mqtt_cover.cpp b/esphome/components/mqtt/mqtt_cover.cpp
index 4a5a70a1c7..b63aa66d29 100644
--- a/esphome/components/mqtt/mqtt_cover.cpp
+++ b/esphome/components/mqtt/mqtt_cover.cpp
@@ -67,11 +67,12 @@ void MQTTCoverComponent::dump_config() {
   }
 }
 void MQTTCoverComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   const auto device_class = this->cover_->get_device_class_ref();
   if (!device_class.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_DEVICE_CLASS] = device_class;
   }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 
   auto traits = this->cover_->get_traits();
   if (traits.get_is_assumed_state()) {
diff --git a/esphome/components/mqtt/mqtt_event.cpp b/esphome/components/mqtt/mqtt_event.cpp
index ab4e095c06..e206335446 100644
--- a/esphome/components/mqtt/mqtt_event.cpp
+++ b/esphome/components/mqtt/mqtt_event.cpp
@@ -21,11 +21,12 @@ void MQTTEventComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConf
   for (const auto &event_type : this->event_->get_event_types())
     event_types.add(event_type);
 
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   const auto device_class = this->event_->get_device_class_ref();
   if (!device_class.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_DEVICE_CLASS] = device_class;
   }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 
   config.command_topic = false;
 }
diff --git a/esphome/components/mqtt/mqtt_number.cpp b/esphome/components/mqtt/mqtt_number.cpp
index c50853a66c..f419eac130 100644
--- a/esphome/components/mqtt/mqtt_number.cpp
+++ b/esphome/components/mqtt/mqtt_number.cpp
@@ -44,9 +44,9 @@ void MQTTNumberComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryCon
   root[MQTT_MIN] = traits.get_min_value();
   root[MQTT_MAX] = traits.get_max_value();
   root[MQTT_STEP] = traits.get_step();
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   const auto unit_of_measurement = this->number_->traits.get_unit_of_measurement_ref();
   if (!unit_of_measurement.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_UNIT_OF_MEASUREMENT] = unit_of_measurement;
   }
   switch (this->number_->traits.get_mode()) {
@@ -61,9 +61,9 @@ void MQTTNumberComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryCon
   }
   const auto device_class = this->number_->traits.get_device_class_ref();
   if (!device_class.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_DEVICE_CLASS] = device_class;
   }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 
   config.command_topic = true;
 }
diff --git a/esphome/components/mqtt/mqtt_sensor.cpp b/esphome/components/mqtt/mqtt_sensor.cpp
index cc135935bf..010ac3013e 100644
--- a/esphome/components/mqtt/mqtt_sensor.cpp
+++ b/esphome/components/mqtt/mqtt_sensor.cpp
@@ -44,17 +44,17 @@ void MQTTSensorComponent::set_expire_after(uint32_t expire_after) { this->expire
 void MQTTSensorComponent::disable_expire_after() { this->expire_after_ = 0; }
 
 void MQTTSensorComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   const auto device_class = this->sensor_->get_device_class_ref();
   if (!device_class.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_DEVICE_CLASS] = device_class;
   }
 
   const auto unit_of_measurement = this->sensor_->get_unit_of_measurement_ref();
   if (!unit_of_measurement.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_UNIT_OF_MEASUREMENT] = unit_of_measurement;
   }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 
   if (this->get_expire_after() > 0)
     root[MQTT_EXPIRE_AFTER] = this->get_expire_after() / 1000;
diff --git a/esphome/components/mqtt/mqtt_text_sensor.cpp b/esphome/components/mqtt/mqtt_text_sensor.cpp
index 1e727fed88..e6e7cf04e8 100644
--- a/esphome/components/mqtt/mqtt_text_sensor.cpp
+++ b/esphome/components/mqtt/mqtt_text_sensor.cpp
@@ -15,11 +15,12 @@ using namespace esphome::text_sensor;
 
 MQTTTextSensor::MQTTTextSensor(TextSensor *sensor) : sensor_(sensor) {}
 void MQTTTextSensor::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   const auto device_class = this->sensor_->get_device_class_ref();
   if (!device_class.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_DEVICE_CLASS] = device_class;
   }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
   config.command_topic = false;
 }
 void MQTTTextSensor::setup() {
diff --git a/esphome/components/mqtt/mqtt_valve.cpp b/esphome/components/mqtt/mqtt_valve.cpp
index 32740235c5..ae60670748 100644
--- a/esphome/components/mqtt/mqtt_valve.cpp
+++ b/esphome/components/mqtt/mqtt_valve.cpp
@@ -49,11 +49,12 @@ void MQTTValveComponent::dump_config() {
   }
 }
 void MQTTValveComponent::send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) {
+  // NOLINTBEGIN(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
   const auto device_class = this->valve_->get_device_class_ref();
   if (!device_class.empty()) {
-    // NOLINTNEXTLINE(clang-analyzer-cplusplus.NewDeleteLeaks) false positive with ArduinoJson
     root[MQTT_DEVICE_CLASS] = device_class;
   }
+  // NOLINTEND(clang-analyzer-cplusplus.NewDeleteLeaks)
 
   auto traits = this->valve_->get_traits();
   if (traits.get_is_assumed_state()) {
diff --git a/esphome/core/scheduler.cpp b/esphome/core/scheduler.cpp
index 11d59c2499..d285af2d0e 100644
--- a/esphome/core/scheduler.cpp
+++ b/esphome/core/scheduler.cpp
@@ -117,12 +117,8 @@ void HOT Scheduler::set_timer_common_(Component *component, SchedulerItem::Type
   item->set_name(name_cstr, !is_static_string);
   item->type = type;
   item->callback = std::move(func);
-  // Initialize remove to false (though it should already be from constructor)
-#ifdef ESPHOME_THREAD_MULTI_ATOMICS
-  item->remove.store(false, std::memory_order_relaxed);
-#else
-  item->remove = false;
-#endif
+  // Reset remove flag - recycled items may have been cancelled (remove=true) in previous use
+  this->set_item_removed_(item.get(), false);
   item->is_retry = is_retry;
 
 #ifndef ESPHOME_THREAD_SINGLE
@@ -153,21 +149,7 @@ void HOT Scheduler::set_timer_common_(Component *component, SchedulerItem::Type
   }
 
 #ifdef ESPHOME_DEBUG_SCHEDULER
-  // Validate static strings in debug mode
-  if (is_static_string && name_cstr != nullptr) {
-    validate_static_string(name_cstr);
-  }
-
-  // Debug logging
-  const char *type_str = (type == SchedulerItem::TIMEOUT) ? "timeout" : "interval";
-  if (type == SchedulerItem::TIMEOUT) {
-    ESP_LOGD(TAG, "set_%s(name='%s/%s', %s=%" PRIu32 ")", type_str, LOG_STR_ARG(item->get_source()),
-             name_cstr ? name_cstr : "(null)", type_str, delay);
-  } else {
-    ESP_LOGD(TAG, "set_%s(name='%s/%s', %s=%" PRIu32 ", offset=%" PRIu32 ")", type_str, LOG_STR_ARG(item->get_source()),
-             name_cstr ? name_cstr : "(null)", type_str, delay,
-             static_cast<uint32_t>(item->get_next_execution() - now));
-  }
+  this->debug_log_timer_(item.get(), is_static_string, name_cstr, type, delay, now);
 #endif /* ESPHOME_DEBUG_SCHEDULER */
 
   // For retries, check if there's a cancelled timeout first
@@ -787,4 +769,25 @@ void Scheduler::recycle_item_(std::unique_ptr<SchedulerItem> item) {
   // else: unique_ptr will delete the item when it goes out of scope
 }
 
+#ifdef ESPHOME_DEBUG_SCHEDULER
+void Scheduler::debug_log_timer_(const SchedulerItem *item, bool is_static_string, const char *name_cstr,
+                                 SchedulerItem::Type type, uint32_t delay, uint64_t now) {
+  // Validate static strings in debug mode
+  if (is_static_string && name_cstr != nullptr) {
+    validate_static_string(name_cstr);
+  }
+
+  // Debug logging
+  const char *type_str = (type == SchedulerItem::TIMEOUT) ? "timeout" : "interval";
+  if (type == SchedulerItem::TIMEOUT) {
+    ESP_LOGD(TAG, "set_%s(name='%s/%s', %s=%" PRIu32 ")", type_str, LOG_STR_ARG(item->get_source()),
+             name_cstr ? name_cstr : "(null)", type_str, delay);
+  } else {
+    ESP_LOGD(TAG, "set_%s(name='%s/%s', %s=%" PRIu32 ", offset=%" PRIu32 ")", type_str, LOG_STR_ARG(item->get_source()),
+             name_cstr ? name_cstr : "(null)", type_str, delay,
+             static_cast<uint32_t>(item->get_next_execution() - now));
+  }
+}
+#endif /* ESPHOME_DEBUG_SCHEDULER */
+
 }  // namespace esphome
diff --git a/esphome/core/scheduler.h b/esphome/core/scheduler.h
index f6ec07294d..fd16840240 100644
--- a/esphome/core/scheduler.h
+++ b/esphome/core/scheduler.h
@@ -266,6 +266,12 @@ class Scheduler {
   // Helper to perform full cleanup when too many items are cancelled
   void full_cleanup_removed_items_();
 
+#ifdef ESPHOME_DEBUG_SCHEDULER
+  // Helper for debug logging in set_timer_common_ - extracted to reduce code size
+  void debug_log_timer_(const SchedulerItem *item, bool is_static_string, const char *name_cstr,
+                        SchedulerItem::Type type, uint32_t delay, uint64_t now);
+#endif /* ESPHOME_DEBUG_SCHEDULER */
+
 #ifndef ESPHOME_THREAD_SINGLE
   // Helper to process defer queue - inline for performance in hot path
   inline void process_defer_queue_(uint32_t &now) {
@@ -367,6 +373,24 @@ class Scheduler {
 #endif
   }
 
+  // Helper to set item removal flag (platform-specific)
+  // For ESPHOME_THREAD_MULTI_NO_ATOMICS platforms, the caller must hold the scheduler lock before calling this
+  // function. Uses memory_order_release when setting to true (for cancellation synchronization),
+  // and memory_order_relaxed when setting to false (for initialization).
+  void set_item_removed_(SchedulerItem *item, bool removed) {
+#ifdef ESPHOME_THREAD_MULTI_ATOMICS
+    // Multi-threaded with atomics: use atomic store with appropriate ordering
+    // Release ordering when setting to true ensures cancellation is visible to other threads
+    // Relaxed ordering when setting to false is sufficient for initialization
+    item->remove.store(removed, removed ? std::memory_order_release : std::memory_order_relaxed);
+#else
+    // Single-threaded (ESPHOME_THREAD_SINGLE) or
+    // multi-threaded without atomics (ESPHOME_THREAD_MULTI_NO_ATOMICS): direct write
+    // For ESPHOME_THREAD_MULTI_NO_ATOMICS, caller MUST hold lock!
+    item->remove = removed;
+#endif
+  }
+
   // Helper to mark matching items in a container as removed
   // Returns the number of items marked for removal
   // IMPORTANT: Caller must hold the scheduler lock before calling this function.
@@ -383,15 +407,7 @@ class Scheduler {
         continue;
       if (this->matches_item_(item, component, name_cstr, type, match_retry)) {
         // Mark item for removal (platform-specific)
-#ifdef ESPHOME_THREAD_MULTI_ATOMICS
-        // Multi-threaded with atomics: use atomic store
-        item->remove.store(true, std::memory_order_release);
-#else
-        // Single-threaded (ESPHOME_THREAD_SINGLE) or
-        // multi-threaded without atomics (ESPHOME_THREAD_MULTI_NO_ATOMICS): direct write
-        // For ESPHOME_THREAD_MULTI_NO_ATOMICS, caller MUST hold lock!
-        item->remove = true;
-#endif
+        this->set_item_removed_(item.get(), true);
         count++;
       }
     }
diff --git a/script/determine-jobs.py b/script/determine-jobs.py
index 6f908b7150..e9d17d8fe5 100755
--- a/script/determine-jobs.py
+++ b/script/determine-jobs.py
@@ -63,6 +63,7 @@ from helpers import (
     get_components_from_integration_fixtures,
     get_components_with_dependencies,
     get_cpp_changed_components,
+    get_target_branch,
     git_ls_files,
     parse_test_filename,
     root_path,
@@ -471,6 +472,20 @@ def detect_memory_impact_config(
         - platform: platform name for the merged build
         - use_merged_config: "true" (always use merged config)
     """
+    # Skip memory impact analysis for release* or beta* branches
+    # These branches typically contain many merged changes from dev, and building
+    # all components at once would produce nonsensical memory impact results.
+    # Memory impact analysis is most useful for focused PRs targeting dev.
+    target_branch = get_target_branch()
+    if target_branch and (
+        target_branch.startswith("release") or target_branch.startswith("beta")
+    ):
+        print(
+            f"Memory impact: Skipping analysis for target branch {target_branch} "
+            f"(would try to build all components at once, giving nonsensical results)",
+            file=sys.stderr,
+        )
+        return {"should_run": "false"}
 
     # Get actually changed files (not dependencies)
     files = changed_files(branch)
diff --git a/script/helpers.py b/script/helpers.py
index 5b2fe6cd06..1039ef39ac 100644
--- a/script/helpers.py
+++ b/script/helpers.py
@@ -196,6 +196,20 @@ def splitlines_no_ends(string: str) -> list[str]:
     return [s.strip() for s in string.splitlines()]
 
 
+@cache
+def _get_github_event_data() -> dict | None:
+    """Read and parse GitHub event file (cached).
+
+    Returns:
+        Parsed event data dictionary, or None if not available
+    """
+    github_event_path = os.environ.get("GITHUB_EVENT_PATH")
+    if github_event_path and os.path.exists(github_event_path):
+        with open(github_event_path) as f:
+            return json.load(f)
+    return None
+
+
 def _get_pr_number_from_github_env() -> str | None:
     """Extract PR number from GitHub environment variables.
 
@@ -208,13 +222,30 @@ def _get_pr_number_from_github_env() -> str | None:
         return github_ref.split("/pull/")[1].split("/")[0]
 
     # Fallback to GitHub event file
-    github_event_path = os.environ.get("GITHUB_EVENT_PATH")
-    if github_event_path and os.path.exists(github_event_path):
-        with open(github_event_path) as f:
-            event_data = json.load(f)
-            pr_data = event_data.get("pull_request", {})
-            if pr_number := pr_data.get("number"):
-                return str(pr_number)
+    if event_data := _get_github_event_data():
+        pr_data = event_data.get("pull_request", {})
+        if pr_number := pr_data.get("number"):
+            return str(pr_number)
+
+    return None
+
+
+def get_target_branch() -> str | None:
+    """Get the target branch from GitHub environment variables.
+
+    Returns:
+        Target branch name (e.g., "dev", "release", "beta"), or None if not in PR context
+    """
+    # First try GITHUB_BASE_REF (set for pull_request events)
+    if base_ref := os.environ.get("GITHUB_BASE_REF"):
+        return base_ref
+
+    # Fallback to GitHub event file
+    if event_data := _get_github_event_data():
+        pr_data = event_data.get("pull_request", {})
+        base_data = pr_data.get("base", {})
+        if ref := base_data.get("ref"):
+            return ref
 
     return None
 
diff --git a/tests/components/bl0940/common.yaml b/tests/components/bl0940/common.yaml
index 0b73fd6d55..e476ba10c0 100644
--- a/tests/components/bl0940/common.yaml
+++ b/tests/components/bl0940/common.yaml
@@ -1,11 +1,11 @@
 button:
   - platform: bl0940
-    bl0940_id: test_id
+    bl0940_id: bl0940_test_id
     name: Cal Reset
 
 sensor:
   - platform: bl0940
-    id: test_id
+    id: bl0940_test_id
     voltage:
       name: BL0940 Voltage
     current:
@@ -22,7 +22,7 @@ sensor:
 number:
   - platform: bl0940
     id: bl0940_number_id
-    bl0940_id: test_id
+    bl0940_id: bl0940_test_id
     current_calibration:
       name: Cal Current
       min_value: -5
diff --git a/tests/components/lvgl/lvgl-package.yaml b/tests/components/lvgl/lvgl-package.yaml
index 8ac9a60e2d..b122d10f04 100644
--- a/tests/components/lvgl/lvgl-package.yaml
+++ b/tests/components/lvgl/lvgl-package.yaml
@@ -726,6 +726,12 @@ lvgl:
                 - logger.log:
                     format: "Spinbox value is %f"
                     args: [x]
+                - lvgl.label.update:
+                    id: hello_label
+                    text:
+                      format: "value is %.1f now"
+                      args: [x]
+                      if_nan: "Value unknown"
         - button:
             styles: spin_button
             id: spin_down
diff --git a/tests/components/nau7802/common.yaml b/tests/components/nau7802/common.yaml
index 5c52c33dad..5251910df9 100644
--- a/tests/components/nau7802/common.yaml
+++ b/tests/components/nau7802/common.yaml
@@ -1,13 +1,13 @@
 sensor:
   - platform: nau7802
     i2c_id: i2c_bus
-    id: test_id
+    id: nau7802_test_id
     name: weight
     gain: 32
     ldo_voltage: "3.0v"
     samples_per_second: 10
     on_value:
       then:
-        - nau7802.calibrate_external_offset: test_id
-        - nau7802.calibrate_internal_offset: test_id
-        - nau7802.calibrate_gain: test_id
+        - nau7802.calibrate_external_offset: nau7802_test_id
+        - nau7802.calibrate_internal_offset: nau7802_test_id
+        - nau7802.calibrate_gain: nau7802_test_id
diff --git a/tests/script/test_determine_jobs.py b/tests/script/test_determine_jobs.py
index e084e2e398..9f12d7ffcf 100644
--- a/tests/script/test_determine_jobs.py
+++ b/tests/script/test_determine_jobs.py
@@ -1240,3 +1240,73 @@ def test_detect_memory_impact_config_filters_incompatible_esp8266_on_esp32(
     )
 
     assert result["use_merged_config"] == "true"
+
+
+def test_detect_memory_impact_config_skips_release_branch(tmp_path: Path) -> None:
+    """Test that memory impact analysis is skipped for release* branches."""
+    # Create test directory structure with components that have tests
+    tests_dir = tmp_path / "tests" / "components"
+    wifi_dir = tests_dir / "wifi"
+    wifi_dir.mkdir(parents=True)
+    (wifi_dir / "test.esp32-idf.yaml").write_text("test: wifi")
+
+    with (
+        patch.object(determine_jobs, "root_path", str(tmp_path)),
+        patch.object(helpers, "root_path", str(tmp_path)),
+        patch.object(determine_jobs, "changed_files") as mock_changed_files,
+        patch.object(determine_jobs, "get_target_branch", return_value="release"),
+    ):
+        mock_changed_files.return_value = ["esphome/components/wifi/wifi.cpp"]
+        determine_jobs._component_has_tests.cache_clear()
+
+        result = determine_jobs.detect_memory_impact_config()
+
+    # Memory impact should be skipped for release branch
+    assert result["should_run"] == "false"
+
+
+def test_detect_memory_impact_config_skips_beta_branch(tmp_path: Path) -> None:
+    """Test that memory impact analysis is skipped for beta* branches."""
+    # Create test directory structure with components that have tests
+    tests_dir = tmp_path / "tests" / "components"
+    wifi_dir = tests_dir / "wifi"
+    wifi_dir.mkdir(parents=True)
+    (wifi_dir / "test.esp32-idf.yaml").write_text("test: wifi")
+
+    with (
+        patch.object(determine_jobs, "root_path", str(tmp_path)),
+        patch.object(helpers, "root_path", str(tmp_path)),
+        patch.object(determine_jobs, "changed_files") as mock_changed_files,
+        patch.object(determine_jobs, "get_target_branch", return_value="beta"),
+    ):
+        mock_changed_files.return_value = ["esphome/components/wifi/wifi.cpp"]
+        determine_jobs._component_has_tests.cache_clear()
+
+        result = determine_jobs.detect_memory_impact_config()
+
+    # Memory impact should be skipped for beta branch
+    assert result["should_run"] == "false"
+
+
+def test_detect_memory_impact_config_runs_for_dev_branch(tmp_path: Path) -> None:
+    """Test that memory impact analysis runs for dev branch."""
+    # Create test directory structure with components that have tests
+    tests_dir = tmp_path / "tests" / "components"
+    wifi_dir = tests_dir / "wifi"
+    wifi_dir.mkdir(parents=True)
+    (wifi_dir / "test.esp32-idf.yaml").write_text("test: wifi")
+
+    with (
+        patch.object(determine_jobs, "root_path", str(tmp_path)),
+        patch.object(helpers, "root_path", str(tmp_path)),
+        patch.object(determine_jobs, "changed_files") as mock_changed_files,
+        patch.object(determine_jobs, "get_target_branch", return_value="dev"),
+    ):
+        mock_changed_files.return_value = ["esphome/components/wifi/wifi.cpp"]
+        determine_jobs._component_has_tests.cache_clear()
+
+        result = determine_jobs.detect_memory_impact_config()
+
+    # Memory impact should run for dev branch
+    assert result["should_run"] == "true"
+    assert result["components"] == ["wifi"]
diff --git a/tests/script/test_helpers.py b/tests/script/test_helpers.py
index 1bfffef51c..c51273f298 100644
--- a/tests/script/test_helpers.py
+++ b/tests/script/test_helpers.py
@@ -31,6 +31,13 @@ print_file_list = helpers.print_file_list
 get_all_dependencies = helpers.get_all_dependencies
 
 
+@pytest.fixture(autouse=True)
+def clear_helpers_cache() -> None:
+    """Clear cached functions before each test."""
+    helpers._get_github_event_data.cache_clear()
+    helpers._get_changed_files_github_actions.cache_clear()
+
+
 @pytest.mark.parametrize(
     ("github_ref", "expected_pr_number"),
     [