Wordpress opacity bugdela

My Wordpress website's homepage has suddenly stopped loading properly and I need this issue fixed urgently. Key Points: - A critical error has occurred, leading to the homepage not loading as it should. - I first noticed this issue last week; the site was functioning correctly prior to this. - While I haven't made any changes recently on the site, the bug seemed to surface out of nowhere. The ideal freelancer for this project should have: - Proficiency in debugging and troubleshooting Wordpress issues. - Excellent knowledge of Wordpress development. - Ability to work quickly and efficiently to resolve the problem as this is a time-sensitive issue. Please reach out if you're confident in your ability to troubleshoot and fix such issues promptly...

I'm looking for an experienced React developer to fix a critical bug in our application related to nested checkboxes and enhance the speed of our autocomplete search feature. Nested Checkbox Issue: - The issue is with nested checkboxes not updating the state correctly. - Solving this is crucial as it's currently causing significant disruption to the application. Autocomplete Search Enhancement: - The primary goal here is to increase the search response speed. - This should improve the overall user experience of our application. Skills Needed: - Proficient in React.js, Material-UI, and Redux. - Experience in fixing critical bugs and enhancing application features is crucial. I'm looking for someone who can dive into the codebase, identify the source of the issue, ...

Right now, I'm experiencing an issue with the forgot password feature on my Laravel application. Despite following the protocol for resetting forgotten passwords, the password reset email isn't being sent out. I’ve checked my spam/jun...application. Despite following the protocol for resetting forgotten passwords, the password reset email isn't being sent out. I’ve checked my spam/junk mail folder as well, but it’s not there. The task will involve investigating what exactly is happening, why the email is not being sent, and ultimately fixing the bug. Ideal skills and experiences for this job: - Strong experience working with Laravel applications - Excellent problem-solving skills, particularly with regards to bug fixing - Solid knowledge a...

As the owner of a Magento 2 website, I am currently facing a set of challenges that requires urgent attention. Primary Issues: - Checkout process errors: The system is generating orders 2 times, However, we receive payment one time. - Product display issues: The site exhibits 'New Lower Price' tags on each product, which is incorrect and misleading for our customers. Ideal Candidate: I am looking for a freelancer with extensive experience in Magento 2 who can accurately diagnose and resolve these issues. This project will be done through anydesk as we can't share access and please bid if you can fix these issues in a couple of hours. Thank you

...own specific move rules Ideal skills and experiences for this project include: - Proven experience in Unity game development. - Strong knowledge and experience in creating 2D games. - Familiarity with implementing online and matchmaking systems. - Prior experience in developing chess or similar strategy games would be a plus. The successful candidate should be able to deliver a fully functional, bug-free game within the agreed-upon timeframe. Please provide relevant samples of your previous work in your bid. Please also break down the price for different scenarios like: - only offline mode - offline and against Al - offline, against AI and online with whole matchmaking requirment - price difference per different game modes - achievment system - extending the release on android...

I'm in need of a competent developer to create a QR-based payment system app. The application should be designed for Android ,IOS, and Web platforms. The key features to be incorporated are: - QR Code Generation: The app should enable the generation of QR codes. This function is crucial as it will allow users to cre...or customized codes are needed. I expect the app to be secure, reliable, and easy to use for both merchants and customers. I'm looking for a professional with extensive experience in mobile and web app development, particularly in the field of payment systems. You should have a strong understanding of security measures and an eye for user-friendly design. Your delivery should be a high-quality, bug-free app that can be efficiently deployed across both Androi...

I'm in need of a skilled programmer to create a reactive search algorithm for my car sales platform. The algorithm should be developed using , and it will be implemented on both the website and mobile app. Key Requirements: - The algorithm shoul...experience in developing similar reactive search algorithms, especially for e-commerce platforms or car sales is highly desirable. - Strong understanding of database integration and filtering mechanisms. - Ability to optimize the algorithm for both web and mobile platforms would be an advantage. Your work will be integral to the user experience of the platform, so attention to detail and efficient, bug-free coding is paramount. Please provide examples of similar projects you have worked on for a better assessment of your fit for th...

I am looking for a hands-on Laravel Developer who can efficiently handle feature development for an existing website. Here's the set of tasks that I need: - Analyze the existing website's codebase - Plan and execute the development of new fe...functionalities, or API integrations. Therefore, a robust grasp on these subjects would be a bonus. REQUIRED SKILLS & EXPERIENCE: - Proven experience in Laravel development, specifically in feature development - Comprehensive understanding of user management systems, e-commerce functionalities, and API integrations is a plus - Exceptional problem-solving skills - Strong knowledge in code optimization and bug fixing - Good grasp on creating custom software solutions If you believe you are the right fit for this role, I'...

Need an expert to fix studio error and missing button from form view WE NEED EXPERT FOR THIS PLEASE

...looks like: The game has two clients. The clients have a map and on this map a fort and a treasure is hidden. The client needs to find the treasure and the fort from the enemy to win the game. Also there are specific rules for generating the map, that needs to be validated. Project Specific Requirements: - Extensive experience in Java development with emphasis on game programming - Knowledge in bug fixing and troubleshooting during development stages - Expertise in code optimization to ensure seamless gameplay on various platforms - expertise in uni testing The final product should be fully navigational and user-friendly, with an engaging gameplay that keeps players continually entertained. This project promises to be challenging and rewarding, requiring the developer to ...

I'm looking for an android app developer to assist with daily maintenance tasks for my android app. Key Responsibilities: - Content Updates: Re...my android app. Key Responsibilities: - Content Updates: Regularly update the app's content to keep it fresh and engaging for users. - Security Updates: Ensure the app is secure and protect from any vulnerabilities. - Bug Fixes: Identify and fix any bugs in the app to ensure smooth user experience. - Full Maintenance: Oversee all aspects of the app, including but not limited to updating content, security, and fixing bugs. The ideal candidate should have: - Proven experience in android app development and maintenance. - Strong understanding of mobile app security and bug fixing. - Ability to work on fast-paced projects...

I'm in need of an Angular developer who can swiftly tackle bug fixing on my site, www.codeokk.com. These bugs are mostly minor UI glitches, not impacting core functionalities. The ideal candidate should have sufficient experience in rectifying UI errors. It wasn't specifically identified where these bugs occur most in the user interface, so a good eye for detail will be beneficial in this role. They must be capable of quickly spotting and rectifying such inconsistencies. Skills essential for this job include: - Proficiency in Angular - Experience in UI bug fixing - Strong attention to detail - Understanding of website performance optimization. The chosen developer will be expected to find and eliminate these glitches to ensure our platform maintains its intui...

I need a skilled Ruby on Rails expert for a project I'm working on. I need someone who understands the Ruby on Rails framework inside out and can work on our project efficiently. The specific tasks may include: Please check the document before applying the jobs Thank you

...website. This is a unique opportunity for someone with hands-on experience in building secure, efficient and user-friendly search platforms. Here's a snapshot of what's on my wish list: Skills and experience: - Knowledge of HTML (as stated, but ideally also Python, JavaScript or PHP). - In-depth knowledge of NNTP (Network News Transfer Protocol) - Good track record of creating well-documented, bug-free code - Ability to implement basic security measures to protect user data Project specifics: - Search engine is already functional, only improvements and a few customizations will be needed - Changes and adjustments are needed in the admin area, e.g. editing newsgroups and adjusting retention - A simple API for the search still needs to be implemented - Standardize the d...

Saya memiliki projek untuk payment gateaway di wordpress dan integrasi auto email ketika pembeli sudah melakukan pembayaran. Projek website ini berbasis untuk E-course saya. Semua data akses kelas E-course saya disimpan di , oleh karena itu membutuhkan integrasi dengan Kelas yang ingin diintegrasikan ada 2: Tetapi landing page yang saya siapkan hanya baru 1, 1 lagi developer buat landing pages random dulu, nanti saya edit dihalaman yang developer buat. Statusnya sekarang: - Landing pages sudah selesai (Menggunakan theme Divi/ saingan elementor) - sudah ada paketnya jenis paket Shaker - getresponse sudah ada akun - zapier sudah ada akun, tinggal payment jika paket diperlukan - midtrans sudah verifikasi, tinggal pengaktifkan payment bank Note: Gambar yang saya

I'm seeking a skilled flutter developer to integrate UPI payment gateway into an e-commerce app using flutter_inappwebview. The core of the job entails: - Integr...Integration of UPI payment gateway - Ensuring smooth transactions on the e-commerce platform - Testing to ensure flawless user experience on Android Ideal candidates should have: - Previous experience with Flutter_inappwebview - Proven track record of integrating UPI payment gateway - Expertise and in-depth understanding of e-commerce apps on the Android platform - A knack for thorough testing and bug fixing. Working on this project will require you to navigate the complexities of creating a seamless user experience, integrating payments, and ensuring the robustness of the e-commerce app while focusing on the An...

I'm in need of an experienced Android developer to work on an existing app that targets the general public. The project involves a mix of UI/UX improvements, bug fixes, and the addition of new features. Key responsibilities include: - Enhancing the app's overall user experience through UI/UX improvements. - Addressing any existing bugs and issues in the application. - Implementing new features, primarily push notifications. Given the extensive nature of these changes, I'm looking for a professional with a proven record in Android app development. You should have experience with UI/UX, bug fixing, and adding new features in Android applications. Your expertise in push notifications is particularly important for this project. Previous work on apps targeting t...

I'm seeking an experienced app developer for creating a dynamic entertainment application compatible with both iOS and Android platforms. This app exclusively requires a feature for posting and commenting, providing users an interactive platform. Ideal Skills: - Strong experience in mobile ...app development for both platforms (iOS and Android) - Experience in developing entertainment applications - A thorough understanding and implementation of clean, efficient code - Must have a knack for intuitive UI/UX design Responsibilities: - From developing to post-launch support, handling end-to-end product lifecycle - Actively incorporate the 'post and comment' feature - Regular updates and bug fixes post launching Looking forward to collaborating with someone who can br...

I'm in need of a reliable, experienced technical support professional for my basic retail website, built on WordPress. The primary tasks will be regular bug fixing and security updates. Key Responsibilities: - Regularly check and fix bugs that may arise in the website. - One time migration from one hosting service to another - Ensure that the website is secure and up-to-date by performing security updates as needed. The frequency for these tasks will be quarterly. I expect the chosen freelancer to be prompt and efficient in addressing any issues that may crop up. Knowledge of WordPress and experience in maintaining retail websites will be highly regarded.

I'm in need of a reliable, experienced technical support professional for my basic retail website, built on WordPress. The primary tasks will be regular bug fixing and security updates. Key Responsibilities: - Regularly check and fix bugs that may arise in the website. - One time migration from one hosting service to another - Ensure that the website is secure and up-to-date by performing security updates as needed. The frequency for these tasks will be quarterly. I expect the chosen freelancer to be prompt and efficient in addressing any issues that may crop up. Knowledge of WordPress and experience in maintaining retail websites will be highly regarded.

I made a wordpress custom theme. Devs don't like to document things (I kept asking...) so need to force the matter and have someone just do it! The focus is on what is not obvious. e.g. The footer has a "join newsletter button", but where do you edit that and how does it integrate with the CRM? (And if there is custom shortcode where is that written) I need someone who knows Wordpress and to write simple documentation in a Google Doc (for me/devs- You don't need to explain how to copy/paste! ;)). This is not hardcore stuff, it's spending time on my site (I can tell you obvious things), seeing what needs to be explained (asking questions) and then writing the shortest explanation possible with screenshots so any dev (or me!) will know how to update...

I am looki...forms that aren't retrieving data as intended - Resolving a problem where an application form keeps loading without progress - Rectifying a form submission issue that only displays a 'Try Again' message after submission The primary areas of these bugs are related to data synchronization and form submission. Ideal candidates should have: - Proven experience in Android application development and bug fixing - Proficiency in diagnosing and resolving data synchronization issues - Expertise in Android 14 and Google Play Console, with a track record of successful app upgrades This project does not require any new development, only the resolution of the specified bugs and the Android 14 upgrade. Your ability to work efficiently and effectively in addressing...

I need a strong wordpress developer with high PHP knowledge and CSS knowledge to help me fix the bug. The task must be done via anydesk.

I am in need of a react-native whizz who can figure out and solve the error messages plaguing my project post SDK upgrade. Detail-oriented and aggressive troubleshooting skills are a must for this job. Since upgrading my SDK from version 50 to 51, my project has been inundated with errors. My dependencies are up-to-date and compatible with the new SDK version, but a solution remains elusive. The errors appearing are related to syntax issues and styles import (hermes) Ideal Skills: - Extensive experience in react-native - Comprehensive understanding of SDKs and upgrading processes - Excellent debugging capabilities Nobody likes bugs, so let's squish this one fast. Looking forward to working with an enthusiastic problem solver.

I have 2 issues that are occurring with my app. Both of these issues are now happening on my app in the store when no changes were made. In other words, these crashes are not from any changes I made. It just started ...that occurs after signing in: ** Assertion failure in UITraitCollection *UIViewControllerMissingInitialTraitCollection(UIViewController *__strong, UIApplicationSystemVersion)(), UIViewController.m:2749 *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'UIViewController is missing its initial trait collection populated during initialization. This is a serious bug, likely caused by accessing properties or methods on the view controller before calling a UIViewController initializer. View controller: <SettingsV...

I'm in need of an experienced web developer who can help me fix a bug on my HTML website. The bug is causing an error message to be displayed whenever a form is submitted, along with several functionalities not working as they should. Key Points: - The error message is displayed when submitting a form. - The bug has led to malfunctioning of basic website functionalities. Ideal Skills: - Proficient in HTML - Experienced in bug fixing - Familiar with form submission errors I am looking for a quick turnaround on this project as it's affecting user experience on my site. Please provide your relevant experience and estimated time to fix in your bid. ********************************************************* WATCH THIS VIDEO URL IS

...professional with deep expertise in website maintenance. My website requires not just routine maintenance but also significant improvements which include: - Content Updates: It is necessary to keep the website content fresh and relevant. - Security Updates: I have security measures in place relying on regular backups. However, a security update by an expert to further safeguard the website is needed. - Bug Fixes: The website has been experiencing loading error issues which urgently need to be addressed. - SEO Optimization: The visibility of my website on search engines needs to be improved. The professional I need should have ample experience in website maintenance, cybersecurity, and SEO optimization. Further, understanding the importance of keeping website content relevant...

I'm experiencing issues with WPBakery 7.6 on my shared hosting environment; changes won't save or publish. Despite attempts at clearing browser cache and cookies, the problem persists. Desired skills & Experience: - Expertise in PHP, JavaScript and CSS - Understanding of shared hosting issues - Prior experience with troubleshooting WPBakery bugs Responsibilities include: - Diagnosing the issue - Implementing a stable fix - Ensuring no future occurrences of same issue Note: My preference is for someone with proven experience in WPBakery and shared hosting.

... issues, and inconsistencies using bug tracking tools (e.g., Jira). Collaborate with developers to troubleshoot and resolve issues in a timely manner. Conduct usability testing and provide feedback on user interface (UI) and user experience (UX) elements. Requirements: Proven experience as a QA tester with a focus on mobile app testing for Android and iPhone platforms. Strong knowledge of Android Studio, Xcode, and mobile testing frameworks (e.g., Appium, XCTest, Espresso). Familiarity with mobile OS versions, device fragmentation, and compatibility testing across different devices. Ability to create detailed test plans, test cases, and test scripts based on project requirements. Excellent communication skills and attention to detail. Experience with bug tracking tools su...

I need a skilled Ruby on Rails expert for a project I'm working on. I need someone who understands the Ruby on Rails framework inside out and can work on our project efficiently. The specific tasks may include: Please check the document before applying the jobs Thank you

We are looking for a highly skilled developer or a team of developers to address and resolve a series of bugs across multiple software systems. The ideal candidate(s) will have expertise in Java (specifically Swing), FileMaker, Artificial Intelligence, Django, and general web development. This project involves analyzing the current issues, proposing solutions, and implementing fixes in a timely manner. Key Tasks: - Analyze existing codebases to identify bugs and inefficiencies. - Develop fixes for bugs in systems built with Java Swing, FileMaker, Django, and related web technologies. - Apply AI techniques to optimize operations and improve system functionalities where applicable. - Test fixes to ensure bugs are completely resolved and systems are running smoothly. Ideal Candidate: - Str...

I'm in need of a skilled Prestashop expert. I have a list of instructions for theme customization that need to be implemented. Additionally, some minor bugs need to be fixed on the website. Key Responsibilities: - Implementing theme customization based on provided instructions - Fixing minor bugs on the website Ideal Skills and Experience: - Proficiency in ...website Ideal Skills and Experience: - Proficiency in Prestashop and its various tools - Previous experience in theme customization - Strong attention to detail - Ability to troubleshoot and fix bugs efficiently - Excellent communication skills to ensure a smooth working relationship. If you're confident in your Prestashop abilities and have a proven track record in website customization and bug fixing, I'...

Most of the figure is correct. It is just minor differences in the transaction. Need to find out and fix the bug. Work with ftp only.

I'm in need of a WordPress expert to troubleshoot and fix errors on my website, which is primarily centered around the homepage. The main issue seems to be related to error messages being displayed. Key Responsibilities: - Identifying and resolving the error messages on the homepage - Ensuring the website is fully functional and error-free Ideal Skills and Experience: - Strong proficiency in WordPress - Experience in resolving error messages and technical issues - Attention to detail - Ability to work efficiently and effectively to resolve the issue Your primary focus should be on ensuring that the homepage is free of error messages and functions smoothly to encourage visitors to fill out a contact form.

I'm on a continuous hunt for an Odoo expert to assist in the enhancement of the Odoo v8 ERP system for our operation. Key tasks would include: * Efficient management of Sales, Inventory, Accounting, and Finance modules. * C...Accounting, and Finance modules. * Customization to modify existing features and creation of new ones, fixing existing bugs for seamless operation. * Keep up with our eCommerce operations and integrate the ERP system with it as needed. To be successful in this project, you should have considerable experience with the Odoo v8 ERP platform, be skilled in customization of its modules, and have a knack for bug fixing. A background in eCommerce would be particularly beneficial. The ability to work proactively and consistently, in line with our operational ne...

I need to fix an error of $nAn in price selection in specific product.

...start working now hourly basis. I need an expert Laravel developer to jump on board urgently to support enhancements on our existing application. The core tasks to be performed include frontend and backend development as well as bug fixing. This role requires experience in: - Backend development: We need an expert who can work on complex server-side code, solve performance problems, and architectural challenges. - Frontend development: The right candidate should be proficient in developing clean, efficient frontend design, ensuring superb user experience. - Bug fixing: Need a detail-oriented coder to troubleshoot and clear out potential bugs in our website to ensure a smooth, efficient function. Candidates need to have solid experience dealing with Laravel and its int...

I've run into an issue where the layout on my Home page, About Us page, and Contact Us page is not rendering correctly when using Avada Builder with my WordPress Theme. This error occurred without any recent changes being made to the layout or content that could have triggered this issue. The error occurred after we enabled SSL. The ideal freelancer for this project would: - Be highly experienced with Avada Builder and acquainted with potential rendering issues. - Understand WordPress Themes in detail. - Be proficient in problem-solving and bug fixing. - Communicate closely with me for project updates and any potential changes needed on the site. I need this problem to be fixed efficiently and quickly to ensure a seamless user experience on my website.

I'm seeking an experienced React developer to rectify a couple of bugs in my application. The issues include: - Navigation errors - Form validation inconsistencies Benchmarks for this job: - Prior React knowledge - Debugging abilities - Experience in handling similar technical issues Please discuss your relevant React debugging experience when you apply. The task should be comp...errors - Form validation inconsistencies Benchmarks for this job: - Prior React knowledge - Debugging abilities - Experience in handling similar technical issues Please discuss your relevant React debugging experience when you apply. The task should be completed within a week's time. Can't wait to hear from you all! Don't bid if your budget is mor than $20 and start you...

Need someone to help in simple bug fixing error who has experience in android apps and knowledge about it Requirements are Coding skill Android knowledge

We are a 3-person travel company that focuses on pilgrimage tours in Europe. We just finished web development with a designer and would like someone to clean up a few issues and get our website put to fully functioning status

I am seeking a skilled Salesforce CRM analytics expert who can fix a bug on one of the Dashboards in our CRMA Ideal skills and experience: - Prior experience with Salesforce CRM analytics, particularly with Reports and Dashboards - Excellent understanding of CRMA - Familiarity with identifying issues in CRMA

I'm currently in search of a skilled Laravel developer who can help me finalize an API for a video chat application. The task...seamless integration. Key responsibilities include: - Extending the API to support real-time notifications, user authentication, call recording, file sharing, and a ticket-based system for bugs and issues tracking. - Implementing real-time status updates for the bugs and issues tracking feature. I am particularly keen on someone who has expertise in Laravel, API development, real-time systems, and bug tracking. Your past experience with similar projects will be an added advantage. To avoid the enormous amount of automated proposals, only applicants who write "Mobo Video App" at the start of their proposals will be considered. Looking f...

Need a meticulous tester for my recently developed web app. Your primary role will include examining my web app modules specifically: 1. User registration and login 2. Payment processing 3. Data input and validation 4. Points and memberships 5. Timesheet and task management 6. Subscription This opportu...Data input and validation 4. Points and memberships 5. Timesheet and task management 6. Subscription This opportunity could lead to future testing projects if successful. As part of your application, please share references of your past work to provide insight into your QA testing experience and skills. Will need you to focus on all severity levels in bug reporting, ensuring the app functions effectively. Advanced experience in QA testing and bug reporting will be benefici...

My Magento 2.4 website urgently needs assistance with bug fixes and a design overhaul. I'm encountering various limitations and menu alterations that need to be sorted and also experiencing design-related issues. Key Tasks: - Tackle site bugs, specifically concerning menu changes - Address design-related issues around aesthetics and functionality - Improve overall site design besides fixing bugs I'm keen to partner with someone who has: - Profound experience with Magento 2.4 - A keen eye for design and details - Proven track record in problem-solving for e-commerce sites. If you are adept at both examining beneath the surface to solve technical bugs and enhancing websites' visual appeal, then I'm excited to see your proposal.

I am in need of a proficient Java Script/React developer. Specific tasks or target areas are yet to be determined and will be clarified later, thus flexibility is important. Any experience in both front-end and back-end development along with bug fixing expertise will be preferred. Those comfortable with ambiguity and adept at working without rigid guidelines would be ideal for this opportunity. Willingness to adapt to potentially shifting project needs is crucial. It's a dedicated resource Job.. Thanks

I want you to look at this personal portfolio site. Your job will be to evaluate the entire site and tell me any design issues, bug issues, UI or Flow problems, that need to be fixed. Once we figure out all the problems, you will then fix them. I'm looking for someone that can work immediately. REQUIRED: In your application tell me: 1. What computer & mobile devices do you own? Tell me the versions of the devices 2. What is the hourly rate I'm paying for this job? Are you okay with it? 2. Look at the site Tell me 2 problems you notice with the site, 3. Are you a wordpress-elementor developer? If no, its okay.

...development - Android and iOS app experience - Works fast - Meticulous testing methods and Exceptional attention to detail - Able to re-write/de-bug my code and provide back to client - Experience in app QA testing for functionality and performance - Proven track record of successful app deployment to Google Play Store and Apple App Store The de-bugged code for both apps will remain the client's intellectual property. If you're available, I'd be happy to read your proposal. PLEASE INCLUDE FOLLOWING DETAILS IN YOUR REPLY WITH A FIXED PRICE and TIME IN DAYS: - How many Flutter apps have you worked on? - Have you developed any Flutter apps? - Are you able to de-bug/re-write code as there are bugs discovered? Will you correct the code in flutter where nece...

I want you to look at this personal portfolio site. Your job will be to evalua...to look at this personal portfolio site. Your job will be to evaluate the entire site and tell me any design issues, bug issues, UI or Flow problems, that need to be fixed. If you are a WordPress-Elementor developer, I can hire you to do the fixes as well. I'm looking for someone that can work immediately. REQUIRED: In your application tell me: 1. What computer & mobile devices do you own? Tell me the versions of the devices 2. What is the hourly rate I'm paying for this job? Are you okay with it? 2. Look at the site Tell me 2 problems you notice with the site, 3. Are you a wordpress-elementor developer? If no, its okay.

...the websites, so the candidate should be able to implement new features. - Bug fixes: It's essential for the candidate to have a keen eye for identifying and fixing bugs that may arise within the websites. - Security updates: The candidate should be able to stay up-to-date with the latest security trends and ensure the websites are secure. - Performance optimization: A deep understanding of PHP and MySQL is required to optimize the performance of the website. Availability: I require maintenance and updates on an 'as needed' basis. The ideal candidate should be able to respond promptly and work quickly on the necessary tasks. Requirements: - Proficiency in core PHP and MySQL - Strong problem-solving skills to handle bug fixes and performance optimization -...