diff --git a/termux-shared/src/main/java/com/termux/shared/termux/TermuxConstants.java b/termux-shared/src/main/java/com/termux/shared/termux/TermuxConstants.java
index 9b864fb1..d0bcab1d 100644
--- a/termux-shared/src/main/java/com/termux/shared/termux/TermuxConstants.java
+++ b/termux-shared/src/main/java/com/termux/shared/termux/TermuxConstants.java
@@ -5,7 +5,7 @@ import android.annotation.SuppressLint;
 import java.io.File;
 
 /*
- * Version: v0.18.0
+ * Version: v0.19.0
  *
  * Changelog
  *
@@ -129,6 +129,12 @@ import java.io.File;
  * - 0.18.0 (2021-04-11)
  *      - Updated `TERMUX_SUPPORT_EMAIL_URL` to a valid email.
  *      - Removed `TERMUX_SUPPORT_EMAIL`.
+ *
+ * - 0.19.0 (2021-04-12)
+ *      - Added `TERMUX_ACTIVITY.ACTION_REQUEST_PERMISSIONS`.
+ *      - Added `TERMUX_SERVICE.EXTRA_STDIN`.
+ *      - Added `RUN_COMMAND_SERVICE.EXTRA_STDIN`.
+ *      - Deprecated `TERMUX_ACTIVITY.EXTRA_RELOAD_STYLE`.
  */
 
 /**
@@ -633,9 +639,13 @@ public final class TermuxConstants {
             public static final String ACTION_FAILSAFE_SESSION = TermuxConstants.TERMUX_PACKAGE_NAME + ".app.failsafe_session"; // Default: "com.termux.app.failsafe_session"
 
 
+            /** Intent action to make termux request storage permissions */
+            public static final String ACTION_REQUEST_PERMISSIONS = TermuxConstants.TERMUX_PACKAGE_NAME + ".app.request_storage_permissions"; // Default: "com.termux.app.request_storage_permissions"
+
             /** Intent action to make termux reload its termux session styling */
             public static final String ACTION_RELOAD_STYLE = TermuxConstants.TERMUX_PACKAGE_NAME + ".app.reload_style"; // Default: "com.termux.app.reload_style"
-            /** Intent {@code String} extra for what to reload for the TERMUX_ACTIVITY.ACTION_RELOAD_STYLE intent */
+            /** Intent {@code String} extra for what to reload for the TERMUX_ACTIVITY.ACTION_RELOAD_STYLE intent. This has been deperecated. */
+            @Deprecated
             public static final String EXTRA_RELOAD_STYLE = TermuxConstants.TERMUX_PACKAGE_NAME + ".app.reload_style"; // Default: "com.termux.app.reload_style"
 
         }
@@ -668,8 +678,10 @@ public final class TermuxConstants {
             public static final String ACTION_SERVICE_EXECUTE = TERMUX_PACKAGE_NAME + ".service_execute"; // Default: "com.termux.service_execute"
             /** Uri scheme for paths sent via intent to TERMUX_SERVICE */
             public static final String URI_SCHEME_SERVICE_EXECUTE = TERMUX_PACKAGE_NAME + ".file"; // Default: "com.termux.file"
-            /** Intent {@code String[]} extra for command arguments for the TERMUX_SERVICE.ACTION_SERVICE_EXECUTE intent */
+            /** Intent {@code String[]} extra for arguments to the executable of the command for the TERMUX_SERVICE.ACTION_SERVICE_EXECUTE intent */
             public static final String EXTRA_ARGUMENTS = TERMUX_PACKAGE_NAME + ".execute.arguments"; // Default: "com.termux.execute.arguments"
+            /** Intent {@code String} extra for stdin of the command for the TERMUX_SERVICE.ACTION_SERVICE_EXECUTE intent */
+            public static final String EXTRA_STDIN = TERMUX_PACKAGE_NAME + ".execute.stdin"; // Default: "com.termux.execute.stdin"
             /** Intent {@code String} extra for command current working directory for the TERMUX_SERVICE.ACTION_SERVICE_EXECUTE intent */
             public static final String EXTRA_WORKDIR = TERMUX_PACKAGE_NAME + ".execute.cwd"; // Default: "com.termux.execute.cwd"
             /** Intent {@code boolean} extra for command background mode for the TERMUX_SERVICE.ACTION_SERVICE_EXECUTE intent */
@@ -760,8 +772,10 @@ public final class TermuxConstants {
             public static final String ACTION_RUN_COMMAND = TERMUX_PACKAGE_NAME + ".RUN_COMMAND"; // Default: "com.termux.RUN_COMMAND"
             /** Intent {@code String} extra for absolute path of command for the RUN_COMMAND_SERVICE.ACTION_RUN_COMMAND intent */
             public static final String EXTRA_COMMAND_PATH = TERMUX_PACKAGE_NAME + ".RUN_COMMAND_PATH"; // Default: "com.termux.RUN_COMMAND_PATH"
-            /** Intent {@code String[]} extra for any arguments to pass to command for the RUN_COMMAND_SERVICE.ACTION_RUN_COMMAND intent */
+            /** Intent {@code String[]} extra for arguments to the executable of the command for the RUN_COMMAND_SERVICE.ACTION_RUN_COMMAND intent */
             public static final String EXTRA_ARGUMENTS = TERMUX_PACKAGE_NAME + ".RUN_COMMAND_ARGUMENTS"; // Default: "com.termux.RUN_COMMAND_ARGUMENTS"
+            /** Intent {@code String} extra for stdin of the command for the RUN_COMMAND_SERVICE.ACTION_RUN_COMMAND intent */
+            public static final String EXTRA_STDIN = TERMUX_PACKAGE_NAME + ".RUN_COMMAND_STDIN"; // Default: "com.termux.RUN_COMMAND_STDIN"
             /** Intent {@code String} extra for current working directory of command for the RUN_COMMAND_SERVICE.ACTION_RUN_COMMAND intent */
             public static final String EXTRA_WORKDIR = TERMUX_PACKAGE_NAME + ".RUN_COMMAND_WORKDIR"; // Default: "com.termux.RUN_COMMAND_WORKDIR"
             /** Intent {@code boolean} extra for whether to run command in background or foreground terminal session for the RUN_COMMAND_SERVICE.ACTION_RUN_COMMAND intent */