diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 75e8a66..4336a6c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.14.0"
+  ".": "3.15.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 9738f87..27548de 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 8
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/browserbase%2Fstagehand-8fbb3fa8f3a37c1c7408de427fe125aadec49f705e8e30d191601a9b69c4cc41.yml
-openapi_spec_hash: 48b4dfac35a842d7fb0d228caf87544e
-config_hash: 7386d24e2f03a3b2a89b3f6881446348
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/browserbase%2Fstagehand-5d0052068f044366d6d31570d9712922c9a80fdd6f9995af815e9afc075507ef.yml
+openapi_spec_hash: c0cb787da075d8cd2d938c05b36b5efa
+config_hash: 4252fc025e947bc0fd6b2abd91a0cc8e
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a900c0..bed625a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 3.15.0 (2026-02-18)
+
+Full Changelog: [v3.14.0...v3.15.0](https://github.com/browserbase/stagehand-php/compare/v3.14.0...v3.15.0)
+
+### Features
+
+* randomize region used for evals, split out pnpm and turbo cache, veri… ([49fa8e0](https://github.com/browserbase/stagehand-php/commit/49fa8e0ab9a8f5ff331a9858e5a6f1b76e3aff4c))
+
 ## 3.14.0 (2026-02-03)
 
 Full Changelog: [v3.13.1...v3.14.0](https://github.com/browserbase/stagehand-php/compare/v3.13.1...v3.14.0)
diff --git a/README.md b/README.md
index 8d748e7..f6147b6 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ The REST API documentation can be found on [docs.stagehand.dev](https://docs.sta
 <!-- x-release-please-start-version -->
 
 ```
-composer require "browserbase/stagehand 3.14.0"
+composer require "browserbase/stagehand 3.15.0"
 ```
 
 <!-- x-release-please-end -->
diff --git a/src/Sessions/SessionReplayResponse/Data.php b/src/Sessions/SessionReplayResponse/Data.php
index 2a1a640..22acf98 100644
--- a/src/Sessions/SessionReplayResponse/Data.php
+++ b/src/Sessions/SessionReplayResponse/Data.php
@@ -5,6 +5,7 @@
 namespace Stagehand\Sessions\SessionReplayResponse;
 
 use Stagehand\Core\Attributes\Optional;
+use Stagehand\Core\Attributes\Required;
 use Stagehand\Core\Concerns\SdkModel;
 use Stagehand\Core\Contracts\BaseModel;
 use Stagehand\Sessions\SessionReplayResponse\Data\Page;
@@ -12,17 +13,36 @@
 /**
  * @phpstan-import-type PageShape from \Stagehand\Sessions\SessionReplayResponse\Data\Page
  *
- * @phpstan-type DataShape = array{pages?: list<Page|PageShape>|null}
+ * @phpstan-type DataShape = array{
+ *   pages: list<Page|PageShape>, clientLanguage?: string|null
+ * }
  */
 final class Data implements BaseModel
 {
     /** @use SdkModel<DataShape> */
     use SdkModel;
 
-    /** @var list<Page>|null $pages */
-    #[Optional(list: Page::class)]
-    public ?array $pages;
+    /** @var list<Page> $pages */
+    #[Required(list: Page::class)]
+    public array $pages;
 
+    #[Optional]
+    public ?string $clientLanguage;
+
+    /**
+     * `new Data()` is missing required properties by the API.
+     *
+     * To enforce required parameters use
+     * ```
+     * Data::with(pages: ...)
+     * ```
+     *
+     * Otherwise ensure the following setters are called
+     *
+     * ```
+     * (new Data)->withPages(...)
+     * ```
+     */
     public function __construct()
     {
         $this->initialize();
@@ -33,13 +53,17 @@ public function __construct()
      *
      * You must use named parameters to construct any parameters with a default value.
      *
-     * @param list<Page|PageShape>|null $pages
+     * @param list<Page|PageShape> $pages
      */
-    public static function with(?array $pages = null): self
-    {
+    public static function with(
+        array $pages,
+        ?string $clientLanguage = null
+    ): self {
         $self = new self;
 
-        null !== $pages && $self['pages'] = $pages;
+        $self['pages'] = $pages;
+
+        null !== $clientLanguage && $self['clientLanguage'] = $clientLanguage;
 
         return $self;
     }
@@ -54,4 +78,12 @@ public function withPages(array $pages): self
 
         return $self;
     }
+
+    public function withClientLanguage(string $clientLanguage): self
+    {
+        $self = clone $this;
+        $self['clientLanguage'] = $clientLanguage;
+
+        return $self;
+    }
 }
diff --git a/src/Sessions/SessionReplayResponse/Data/Page.php b/src/Sessions/SessionReplayResponse/Data/Page.php
index 46a4c66..f48ac7e 100644
--- a/src/Sessions/SessionReplayResponse/Data/Page.php
+++ b/src/Sessions/SessionReplayResponse/Data/Page.php
@@ -4,7 +4,7 @@
 
 namespace Stagehand\Sessions\SessionReplayResponse\Data;
 
-use Stagehand\Core\Attributes\Optional;
+use Stagehand\Core\Attributes\Required;
 use Stagehand\Core\Concerns\SdkModel;
 use Stagehand\Core\Contracts\BaseModel;
 use Stagehand\Sessions\SessionReplayResponse\Data\Page\Action;
@@ -12,17 +12,49 @@
 /**
  * @phpstan-import-type ActionShape from \Stagehand\Sessions\SessionReplayResponse\Data\Page\Action
  *
- * @phpstan-type PageShape = array{actions?: list<Action|ActionShape>|null}
+ * @phpstan-type PageShape = array{
+ *   actions: list<Action|ActionShape>,
+ *   duration: float,
+ *   timestamp: float,
+ *   url: string,
+ * }
  */
 final class Page implements BaseModel
 {
     /** @use SdkModel<PageShape> */
     use SdkModel;
 
-    /** @var list<Action>|null $actions */
-    #[Optional(list: Action::class)]
-    public ?array $actions;
+    /** @var list<Action> $actions */
+    #[Required(list: Action::class)]
+    public array $actions;
 
+    #[Required]
+    public float $duration;
+
+    #[Required]
+    public float $timestamp;
+
+    #[Required]
+    public string $url;
+
+    /**
+     * `new Page()` is missing required properties by the API.
+     *
+     * To enforce required parameters use
+     * ```
+     * Page::with(actions: ..., duration: ..., timestamp: ..., url: ...)
+     * ```
+     *
+     * Otherwise ensure the following setters are called
+     *
+     * ```
+     * (new Page)
+     *   ->withActions(...)
+     *   ->withDuration(...)
+     *   ->withTimestamp(...)
+     *   ->withURL(...)
+     * ```
+     */
     public function __construct()
     {
         $this->initialize();
@@ -33,13 +65,20 @@ public function __construct()
      *
      * You must use named parameters to construct any parameters with a default value.
      *
-     * @param list<Action|ActionShape>|null $actions
+     * @param list<Action|ActionShape> $actions
      */
-    public static function with(?array $actions = null): self
-    {
+    public static function with(
+        array $actions,
+        float $duration,
+        float $timestamp,
+        string $url
+    ): self {
         $self = new self;
 
-        null !== $actions && $self['actions'] = $actions;
+        $self['actions'] = $actions;
+        $self['duration'] = $duration;
+        $self['timestamp'] = $timestamp;
+        $self['url'] = $url;
 
         return $self;
     }
@@ -54,4 +93,28 @@ public function withActions(array $actions): self
 
         return $self;
     }
+
+    public function withDuration(float $duration): self
+    {
+        $self = clone $this;
+        $self['duration'] = $duration;
+
+        return $self;
+    }
+
+    public function withTimestamp(float $timestamp): self
+    {
+        $self = clone $this;
+        $self['timestamp'] = $timestamp;
+
+        return $self;
+    }
+
+    public function withURL(string $url): self
+    {
+        $self = clone $this;
+        $self['url'] = $url;
+
+        return $self;
+    }
 }
diff --git a/src/Sessions/SessionReplayResponse/Data/Page/Action.php b/src/Sessions/SessionReplayResponse/Data/Page/Action.php
index 052e9fb..79c630f 100644
--- a/src/Sessions/SessionReplayResponse/Data/Page/Action.php
+++ b/src/Sessions/SessionReplayResponse/Data/Page/Action.php
@@ -5,6 +5,7 @@
 namespace Stagehand\Sessions\SessionReplayResponse\Data\Page;
 
 use Stagehand\Core\Attributes\Optional;
+use Stagehand\Core\Attributes\Required;
 use Stagehand\Core\Concerns\SdkModel;
 use Stagehand\Core\Contracts\BaseModel;
 use Stagehand\Sessions\SessionReplayResponse\Data\Page\Action\TokenUsage;
@@ -13,7 +14,12 @@
  * @phpstan-import-type TokenUsageShape from \Stagehand\Sessions\SessionReplayResponse\Data\Page\Action\TokenUsage
  *
  * @phpstan-type ActionShape = array{
- *   method?: string|null, tokenUsage?: null|TokenUsage|TokenUsageShape
+ *   method: string,
+ *   parameters: array<string,mixed>,
+ *   result: array<string,mixed>,
+ *   timestamp: float,
+ *   endTime?: float|null,
+ *   tokenUsage?: null|TokenUsage|TokenUsageShape,
  * }
  */
 final class Action implements BaseModel
@@ -21,12 +27,44 @@ final class Action implements BaseModel
     /** @use SdkModel<ActionShape> */
     use SdkModel;
 
+    #[Required]
+    public string $method;
+
+    /** @var array<string,mixed> $parameters */
+    #[Required(map: 'mixed')]
+    public array $parameters;
+
+    /** @var array<string,mixed> $result */
+    #[Required(map: 'mixed')]
+    public array $result;
+
+    #[Required]
+    public float $timestamp;
+
     #[Optional]
-    public ?string $method;
+    public ?float $endTime;
 
     #[Optional]
     public ?TokenUsage $tokenUsage;
 
+    /**
+     * `new Action()` is missing required properties by the API.
+     *
+     * To enforce required parameters use
+     * ```
+     * Action::with(method: ..., parameters: ..., result: ..., timestamp: ...)
+     * ```
+     *
+     * Otherwise ensure the following setters are called
+     *
+     * ```
+     * (new Action)
+     *   ->withMethod(...)
+     *   ->withParameters(...)
+     *   ->withResult(...)
+     *   ->withTimestamp(...)
+     * ```
+     */
     public function __construct()
     {
         $this->initialize();
@@ -37,15 +75,26 @@ public function __construct()
      *
      * You must use named parameters to construct any parameters with a default value.
      *
+     * @param array<string,mixed> $parameters
+     * @param array<string,mixed> $result
      * @param TokenUsage|TokenUsageShape|null $tokenUsage
      */
     public static function with(
-        ?string $method = null,
-        TokenUsage|array|null $tokenUsage = null
+        string $method,
+        array $parameters,
+        array $result,
+        float $timestamp,
+        ?float $endTime = null,
+        TokenUsage|array|null $tokenUsage = null,
     ): self {
         $self = new self;
 
-        null !== $method && $self['method'] = $method;
+        $self['method'] = $method;
+        $self['parameters'] = $parameters;
+        $self['result'] = $result;
+        $self['timestamp'] = $timestamp;
+
+        null !== $endTime && $self['endTime'] = $endTime;
         null !== $tokenUsage && $self['tokenUsage'] = $tokenUsage;
 
         return $self;
@@ -59,6 +108,44 @@ public function withMethod(string $method): self
         return $self;
     }
 
+    /**
+     * @param array<string,mixed> $parameters
+     */
+    public function withParameters(array $parameters): self
+    {
+        $self = clone $this;
+        $self['parameters'] = $parameters;
+
+        return $self;
+    }
+
+    /**
+     * @param array<string,mixed> $result
+     */
+    public function withResult(array $result): self
+    {
+        $self = clone $this;
+        $self['result'] = $result;
+
+        return $self;
+    }
+
+    public function withTimestamp(float $timestamp): self
+    {
+        $self = clone $this;
+        $self['timestamp'] = $timestamp;
+
+        return $self;
+    }
+
+    public function withEndTime(float $endTime): self
+    {
+        $self = clone $this;
+        $self['endTime'] = $endTime;
+
+        return $self;
+    }
+
     /**
      * @param TokenUsage|TokenUsageShape $tokenUsage
      */
diff --git a/src/Sessions/SessionReplayResponse/Data/Page/Action/TokenUsage.php b/src/Sessions/SessionReplayResponse/Data/Page/Action/TokenUsage.php
index 577ceff..9cc2cdb 100644
--- a/src/Sessions/SessionReplayResponse/Data/Page/Action/TokenUsage.php
+++ b/src/Sessions/SessionReplayResponse/Data/Page/Action/TokenUsage.php
@@ -10,10 +10,9 @@
 
 /**
  * @phpstan-type TokenUsageShape = array{
- *   cachedInputTokens?: float|null,
+ *   cost?: float|null,
  *   inputTokens?: float|null,
  *   outputTokens?: float|null,
- *   reasoningTokens?: float|null,
  *   timeMs?: float|null,
  * }
  */
@@ -23,7 +22,7 @@ final class TokenUsage implements BaseModel
     use SdkModel;
 
     #[Optional]
-    public ?float $cachedInputTokens;
+    public ?float $cost;
 
     #[Optional]
     public ?float $inputTokens;
@@ -31,9 +30,6 @@ final class TokenUsage implements BaseModel
     #[Optional]
     public ?float $outputTokens;
 
-    #[Optional]
-    public ?float $reasoningTokens;
-
     #[Optional]
     public ?float $timeMs;
 
@@ -48,27 +44,25 @@ public function __construct()
      * You must use named parameters to construct any parameters with a default value.
      */
     public static function with(
-        ?float $cachedInputTokens = null,
+        ?float $cost = null,
         ?float $inputTokens = null,
         ?float $outputTokens = null,
-        ?float $reasoningTokens = null,
         ?float $timeMs = null,
     ): self {
         $self = new self;
 
-        null !== $cachedInputTokens && $self['cachedInputTokens'] = $cachedInputTokens;
+        null !== $cost && $self['cost'] = $cost;
         null !== $inputTokens && $self['inputTokens'] = $inputTokens;
         null !== $outputTokens && $self['outputTokens'] = $outputTokens;
-        null !== $reasoningTokens && $self['reasoningTokens'] = $reasoningTokens;
         null !== $timeMs && $self['timeMs'] = $timeMs;
 
         return $self;
     }
 
-    public function withCachedInputTokens(float $cachedInputTokens): self
+    public function withCost(float $cost): self
     {
         $self = clone $this;
-        $self['cachedInputTokens'] = $cachedInputTokens;
+        $self['cost'] = $cost;
 
         return $self;
     }
@@ -89,14 +83,6 @@ public function withOutputTokens(float $outputTokens): self
         return $self;
     }
 
-    public function withReasoningTokens(float $reasoningTokens): self
-    {
-        $self = clone $this;
-        $self['reasoningTokens'] = $reasoningTokens;
-
-        return $self;
-    }
-
     public function withTimeMs(float $timeMs): self
     {
         $self = clone $this;
diff --git a/src/Version.php b/src/Version.php
index 6df3c37..e076d54 100644
--- a/src/Version.php
+++ b/src/Version.php
@@ -5,5 +5,5 @@
 namespace Stagehand;
 
 // x-release-please-start-version
-const VERSION = '3.14.0';
+const VERSION = '3.15.0';
 // x-release-please-end