Hello Shamim,
I updated to version 10.1.1 and all seemed to go well. However I wrote some functions to help integrate Gravity Forms and OpenEMR with messaging and now my functions do not work. Where can I get information on the database changes so I can rewrite the queries in my functions?

My functions saved copies of completed forms to a message. And another function found new messages and sent the text to OpenEMR. We had discussed some of this in this thread:
https://www.shamimsplugins.com/support/topic/insert-message-from-another-application/

I do not expect you to rewrite my code but if you can look at it and if you see any obvious FEP functions I need to change or fields that no longer exist can you let me know?

Here is an example of my functions for Gravity Forms:

	add_action( 'gfpdf_post_save_pdf_5', function( $pdf_path, $filename, $settings, $entry, $form ) {
		global $wpdb;
		$user = wp_get_current_user();
		$user_ID = $user->ID;	
		$message = array(
			'message_title' => $form['title'],
			'message_content' => "Message Goes Here",
			'message_to_id' => $user_ID,	
		);
		$override = array(
			'post_author' => 1,
		);
		//Turn off email send
		remove_action( 'fep_action_message_after_send', array( Fep_Emails::init(), 'save_send_email'), 20, 2 );
		//Post message in Frontend PM
		$message_id = fep_send_message( $message, $override );
		//Prepare Attachment
		$upload_dir = wp_upload_dir();
		$upload_dir = $upload_dir['basedir'];	
		$subdir = '';
		if ( get_option( 'uploads_use_yearmonth_folders' ) ) {
				$time = current_time( 'mysql' );
			$y = substr( $time, 0, 4 );
			$m = substr( $time, 5, 2 );
			$subdir = "/$y/$m";    
		}
		$upsub	= '/front-end-pm' . $subdir;
		$copy_to_dir = $upload_dir . $upsub . '/';
		if( ! is_dir( $copy_to_dir ) ) {
			wp_mkdir_p( $copy_to_dir );
		}	
		$newfilename = wp_unique_filename( $upload_dir, $filename );
		$pathtofile = $copy_to_dir . $newfilename;
		copy( $pdf_path, $pathtofile );	
		$attachment = array(
		 'guid' => $pathtofile,
		 'post_mime_type' => 'application/pdf',
		 'post_title' => preg_replace('/\.[^.]+$/', '', basename($pathtofile)),
		 'post_content' => '',
		 'post_author' => 1,
		 'post_status' => 'inherit',
		);
		//Add attachment to Frontend PM post
		$attach_id = wp_insert_attachment( $attachment, $pathtofile, $message_id );
		//Update user information
		update_user_meta( $user_ID, 'payment', '' );
		update_user_meta( $user_ID, 'renew', date("Y-m-d", time()));
	}, 10, 5 );

Documentation of what I did for OpenEMR is here:

https://github.com/CraigT543/Sunset-Patient-Portal-with-FrontendPM/blob/master/FrontendPMmods.php

The functions I was using are:
fep_get_option
fep_get_userdata
fep_send_message

The fields I was manipulating were:
fep_message
_fep_participants
_fep_delete_by_
_fep_participants

Any tips you can give so my patients can be uptodate would be appreciated. Thanks.

–Craig