Articles
Is HEISEI-VHS dangerous? Is it used to train generative AI? I investigated!
On X, "HEISEI-VHS," which lets you process images to look like VHS footage from the early Heisei era, has recently been going viral. In this article, I, as someone who specializes in web front-end development, examined some concerns surrounding HEISEI-VHS.
Explaining the causes and fixes when X shows [Something went wrong, but don't fret — let's give it another shot.] and you cannot post
When you try to publish a post on the web version of X (Twitter) (PC version), a red banner may appear at the top of the posting screen saying [Something went wrong, but don't fret — let's give it another shot.], preventing you from publishing the post. In this article, I will clearly explain the causes of this error and how to deal with it.
Shadowban Scanner has been updated to v4.0.4
Shadowban Scanner has been updated to v4.0.4! Here are the main changes in this release. You can view the full list of changes on GitHub’s release page.
Why do images disappear from X drafts? A clear explanation of the causes and fixes
X (Twitter) has a feature that lets you save a post you are still writing as a draft so that you can post it later, but sometimes the images attached to a draft post disappear, or when you open a draft, only the text remains and the images are gone. In this article, we will explain why images in draft posts disappear and introduce the causes and fixes.
Why can't I tag on X? Explaining why accounts do not appear and how to change the settings
When you try to tag a specific account in an image on X (Twitter), there are times when you cannot tag them or the account does not appear among the tagging candidates. In this article, we clearly explain the main reasons and solutions when you cannot tag an account on X, as well as the relevant settings.
A summary of the X account ban wave in March 2026: a thorough explanation of how it happened and what caused it
In mid-March 2026, a large number of accounts were suspended on X in what was widely referred to as a "ban wave." In this article, we will explain in detail what happened in the March 2026 ban wave, how it unfolded, and why it occurred.
GitHub Copilot student discount no longer allows selecting GPT-5.4 or Claude, with some models limited to Auto mode only amid plan reorganization
On March 12, 2026, GitHub announced that, in conjunction with a reorganization of GitHub Copilot's free plan for students, some premium models such as Claude Opus, Claude Sonnet, and GPT-5.4 will no longer be available for selection. This became clear through an official GitHub community discussion and an email sent to users of GitHub Copilot's student plan.
X restores dark mode/light mode toggle settings in iOS app after user confusion
In the latest update to its iOS app, X has restored the setting to switch between dark mode and light mode, which it had previously removed. Nikita Bier, X's head of product, quoted a post mentioning that theme settings had returned to X's iOS app and said, "We all make mistakes."
Why do replies on X show [This post is unavailable]? Why does it happen, and how can you view them?
On X (Twitter), when you are looking at the replies to a post (tweet), you may sometimes see a message saying [This post is unavailable. Learn more] displayed in place of a reply. In this article, we will explain in detail why this message appears and how to check replies that have been replaced by this message.
Discord experiences disruption to message sending/receiving and loading; restored after about 50 minutes
From around 10:00 AM PDT to around 11:00 AM PDT on March 9, 2026, an outage occurred for some Discord users in which they were unable to send, receive, or load messages.
X brings the "Listen" feature for listening to Articles on iOS, with support for read-aloud via Grok Voice
A new feature called "Listen," which lets users listen to articles posted on X in audio form, has been implemented. It leverages Grok Voice, allowing users to keep listening while opening an article and scrolling through the timeline, or even from the lock screen.
How to fix the exact match search bug on X: here's a simple solution!
On X (Twitter), recently, not only have unrelated posts been mixed into search results and posts that should be displayed failed to appear, but bugs have also occurred where exact match search does not work even when double quotation marks are added. In this article, we clearly explain how to fix this so that exact match search works again on X.
On iOS, did X's background suddenly turn black or white? Explaining how to change the dark mode settings
There have been a growing number of reports from users of the iPhone app for X (Twitter) saying that the background suddenly turned black, or conversely white, even though they did not change any settings. In this article, we clearly explain why the background in the iOS version of X suddenly changed to black or white, and how to switch the background color back.
What is X's [Try the new post filter]? Explaining the meaning of the message shown on profiles
When you view a profile on X (Twitter), a message saying [Try the new post filter] now appears. In this article, we explain what this message shown on profiles means and what happens when you click it.
Has the dark mode setting disappeared from X's iOS app? Explaining how to turn a black background on and off
More and more people are saying that in the iPhone app for X (Twitter), they can no longer find the setting to switch dark mode on and off within the app, or that it seems stuck in either dark mode or light mode. In this article, we will explain in detail whether dark mode and light mode have disappeared from X, and how you can switch the background color.
X Android app search results scrolling back to top bug: causes and fixes
In X's Android app, while scrolling through the search results in the [Latest] tab, a bug occurs where the scroll position suddenly returns to the very top partway through. In this article, I will introduce the cause and workarounds for the bug in X's Android app where the scroll position of search results returns to the top.
![A screenshot of the menu for X's post, showing the [View post analytics] option in the menu.](/_next/image/?url=%2Fapi%2Fmedia%2Ffile%2Fx-post-analytics-button-in-menu-english.png&w=1920&q=75)
Did X analytics disappear or become unavailable? Explaining the new way to view them
Due to changes to X's specifications, the button for viewing analytics that used to appear under posts on the web client has been removed. In this article, I introduce where you can view analytics on the web client of X and the new way to check them.
Code editor Zed bans AI use by those under 18 following terms of service revision
The terms of service and privacy policy for the open-source code editor Zed have been revised, adding a requirement that users must be at least 18 years old to use Zed's AI features. As a result, developers under 18 will no longer be able to use Zed's AI features.
What does "Paid partnership" on X posts mean and when does it show up? Here's a clear explanation
On X (Twitter), a label such as "Paid partnership" may sometimes appear at the bottom of a post (tweet). In this article, I explain in an easy-to-understand way what labels such as "Paid partnership" mean, and the conditions under which they are displayed.
How to set the "Paid partnership" label on X posts: explained separately for before and after posting
X (Twitter) has implemented a "Paid partnership" label to indicate that a post (tweet) contains paid promotions such as affiliate links. In this article, we clearly explain how to set the "Paid partnership" label both before and after posting.
What does "Made with AI" on X posts mean and when does it show up? Here's a clear explanation
On X (Twitter), a label such as "Made with AI" may sometimes appear at the bottom of a post (tweet). In this article, I explain in an easy-to-understand way what "Made with AI" labels mean, and the conditions under which they are displayed.
How to set the "Made with AI" label on X posts: explained separately for before and after posting
X (Twitter) has implemented a "Made with AI" label to indicate that a post (tweet) was created using AI. In this article, we clearly explain how to set the "Made with AI" label both before and after posting.
X adds AI labels and paid partnership labels to enhance content transparency
X has implemented a new feature "Content Disclosures" that lets you add labels such as "Paid partnership" and "Made with AI" to new or existing posts.
Causes and fixes when you can't change your name on X (Twitter) due to error 131
When you try to change your account name (display name) on X (Twitter), you may see an error message saying "Error: The operation could not be completed. (com.twitter.HTTPRequestActionResponseError error 131)", and you may be unable to change your account name. In this article, I explain the causes and fixes when you can't change your account name due to error 131.
Benefits, meaning, and cost of X’s blue badge: a thorough explanation!
On X (Twitter), you may sometimes see users with a blue check mark displayed next to their name. In this article, I will explain in detail what this blue badge means, what benefits it offers, and how much the blue badge costs.
What are the requirements for monetization on X (Twitter)? From how much can you get paid?
X (Twitter) has a system called Creator Revenue Sharing that allows you to earn revenue from the content you post. In this article, we explain the requirements you need to meet to earn revenue through creator revenue sharing, and the minimum amount from which you can receive payouts.
X is testing a new feature that lets you customize topics on the For You timeline in selected regions
Nikita Bier, X's head of product, announced that the company is rolling out an experimental new feature that lets users narrow down the posts shown in the recommended timeline by topic: it is being deployed as a new experimental feature to filter posts shown in the recommended timeline by topic.
X search malfunction: exact match search not working - causes and solutions?
As of March 1, 2026, reports are increasing of issues with search on X (Twitter), such as intended search results not being shown, exact match search using double quotation marks being unavailable, and unrelated posts being mixed into the [Latest] tab.
How to fix the issue where passkeys cannot be used in Firefox for Android
I encountered an issue where I could not use passkeys in Firefox for Android.
How to update Bun itself
This article explains how to update Bun, an all-in-one tool that can run, build, and test JavaScript and TypeScript. This article does not explain how to update project dependencies using Bun, but instead explains how to update Bun itself.
Reports of X expanded bios disappearing are increasing: possibly a data retrieval bug
Reports are increasing that profiles set in X's Expanded Bio have disappeared. There has been no official announcement from X about this issue, but it appears that a malfunction is occurring in the process of retrieving data.
How to post individual images with a sensitive flag on X
On X, you need to add a flag when posting sensitive content such as adult content or grotesque content. In this article, we explain in an easy-to-understand way how to set a sensitive flag on individual images you post on X.
What do SFW / NSFW mean on X (Twitter)? An easy-to-understand explanation
Have you ever seen posts on X (Twitter) that say things like "SFW" or "NSFW"? In this article, we will explain in an easy-to-understand way what "SFW" and "NSFW", which are sometimes written in posts on X, mean.
How to install Bun on Windows
On April 1, 2024, Bun 1.1 with support for Windows was released. This article explains how to install Bun on Windows.
How to save and delete Git credentials (username and password) on Linux
I always forget how to save and delete Git credentials (username and password) on Linux, so here's a memo for myself.
X cracks down on engagement-farming AI slop with API reply limits
X has announced it restricts reply feature within the X API v2 due to a severe spam problem caused by low-quality and auto-generated content, often produced by LLMs (text generation AI like ChatGPT).
How to fix a bug where tapping Instagram accounts in search results doesn't show the profile
On an Android device with the Instagram app installed, I encountered a bug where tapping an Instagram account displayed in Google search results (or other search engines) would open the Instagram app's home screen instead of the profile page. This article explains how to fix this bug.
X removes Dim theme from web. How to get it back with an extension?
On X (Twitter), Dark mode previously had two dark color schemes: “Lights out” and “Dim,” but Dim has been removed. In this article, we’ll clearly explain how Dim was removed from X and how to restore it.
Is X pruning your Following timeline? You can fix it just by doing this!
On X (Twitter) lately, there have been a growing number of reports that in the [Following] timeline, posts from accounts you follow are being pruned, and some posts aren’t shown. However, this issue can actually be solved in 3 seconds. In this article, we’ll clearly explain how to deal with the problem of posts being pruned in the Following timeline.
X shifts API to Pay-Per-Use; free plan effectively discontinued
X's (formerly Twitter) official developer account announced that X API has officially shifted to Pay-Per-Use pricing. While the API will continue to be provided for free to for-good public utility apps, active users of other existing free plans will be moved to Pay-Per-Use pricing with a one-time $10 voucher.
X begins testing Collaborative Notes, in which AI writes Community Notes and self-improves through human feedback
As a new initiative for Community Notes, which add background information to posts, X has announced "Collaborative Notes," in which AI and humans work together to create Community Notes.
Adobe Animate service discontinuation reversed; continued in maintenance mode
Adobe had announced that it would end the availability of its 2D animation production software "Adobe Animate", but has reversed this policy and announced that it will continue to provide the software in maintenance mode.
![A screenshot of X's post, showing a [Relevant] dropdown menu and a [View activity] button below the reply, repost, and other buttons.](/_next/image/?url=%2Fapi%2Fmedia%2Ffile%2Fx-web-view-activity-button-english.png&w=1920&q=75)
Can't see quote reposts on X? Web version specification change: What's the new way to check?
The specifications of the web version of X (Twitter) have changed, and the way to check quote reposts has been updated. In this article, we explain the new way to check quote reposts on the web version of X.
Shadowban Scanner has been updated to v4.0.3
Shadowban Scanner has been updated to v4.0.3! Here are the main changes in this release. You can view the full list of changes on GitHub’s release page.
Can you schedule posts on X（Twitter）using the app? Explaining how to post from a smartphone
X（Twitter）has a scheduling feature that automatically posts at a pre-set date and time. In this article, we will explain in detail whether you can schedule posts from the app and how you can schedule posts from a smartphone.
Explaining the meaning and differences between X (Twitter) user name, account name, and user ID
On X (Twitter), there are several very similar terms: "user name", "account name", and "user ID", but all of them have different meanings. In this article, I will explain in detail the meanings and differences between user names, account names, and user IDs on X.
Reports surge of screen blackouts on Meta Quest 3/3S; Recent update possibly to blame
Reports are increasing that, while using the Meta Quest 3 and Meta Quest 3S, the video cuts out for about 1-2 seconds and the screen goes dark, or noise appears when the image returns. On Reddit’s r/OculusQuest, many posts have been submitted reporting that the image goes dark and returns in about 2 seconds.
Cloudflare acquires the web framework Astro; open source and multi-deployment policy to remain
Cloudflare announced that it has acquired The Astro Technology Company, the developer of the web framework "Astro". Astro will continue to be released as open source under the MIT License, and the policy of not locking users into a specific vendor will also be maintained.
How to delete Grok conversation history and what happens when you delete it
X (Twitter) includes the AI "Grok" developed by its parent company, xAI. This article explains in detail what happens when you delete your Grok conversation history and how to delete it.
Grok not replying on X? Causes and fixes you can try
X includes the AI "Grok" developed by its parent company xAI, and by mentioning @grok in a post you can interact with Grok via text, or use Grok to generate or edit images. In this article, we explain the causes and fixes for when you don't get a response even if you mention Grok.