What is the most solid stable old intellij version for pure java development?
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I am honstely so tired of dealing with intellij performance issues,
I do not remember any feature they released in last 10 years that i actually care or absolutely need to compromise solid/stable/snappy performance for.
I'm happy to downgrade to some 2014 version if it works without pissing me off.
It gets bloated and bloated with every release, i work with big monorepo projects, and i often have multiple instances opened at the same time.
I was wondering if anyone knows very solid old intellij version, the smaller in size the better.
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i used to always default to community edition, but they screwed it up also. I downgraded to latest version before they “merged” it into one usless garbage, but that version also randomly freezes crashes or does all sorts of nonsense that i never seen community edition do before.
Any users who have been using older versions successfully please let me know which version to jump to?
I dont care about their new uis, i dont care about 99% of the garbage plugins and features. If i need claude i can use it from terminal just fine.
Hi Vachagan Balayan,
I'm really sorry to hear that you've been having problems with IntelliJ IDEA. Indeed, there were a few major bugs in the last releases 2025.3 and 2025.3.1 that caused some inconvenience to our users and that we have fixed in the latest version 2025.3.1.1. You are welcome to install it side by side and check if the problems go away.
Additionally, performance problems like slowness and freezing often happen because of third-party plugin code clashing with the core IDE code. Examples of such plugins are GitHub Copilot (and any other AI assistant like Gemini, Claude, etc.), SonarQube, TeXiFy-IDEA, Illuminated Cloud, etc.
Crashes (abrupt program exits) can be caused by corporate security software or local VPN settings, modified JVM options, third-party plugins or Antivirus software corrupting the installation or configuration files.
A lot of performance issues can be troubleshot and resolved using the following guides:
How to troubleshoot JetBrains IDE crash or freeze
How to troubleshoot IntelliJ IDEs slowness, high CPU or memory usage
You can try the steps from these articles to cause of the problem; or if you can provide us with more details about how the performance issues manifest in your case, as well as information about your environment, we would be happy to help resolve this issue.
Thank you for your understanding!