[aerosmile]

It likely has to do with a tech stack that's being retired or some other technologically-driven forcing function (authentication, security, etc).

Edit: my bootstrapped company was acquired by a much larger corporation and produced material EBITDA for 10 years, even in the year when it was shut down. Why was it shut down? Because it was written in PHP and the corporation was not going to support that tech stack anymore.

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Analogy from the automotive world [0]:

> the $10m McLaren F1’s software can only run on a Compaq LTE 5280. The reason being that they run on an installed, bespoke CA card. This CA card is the interface that communicates between the laptop and the car. Of course, since the software was developed in 1992, it should be no surprise that it’s DOS based.

[0] https://seilevel.com/requirements/11318-2