Anyone upgrade to php 8.5 yet?

ES Dev Team

Well-known member

• Nov 25, 2025

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• #2

PHP 8.5 is pretty bleeding edge and released a few days ago, usually it takes some weeks to find the new bugs and holes in a major version, i'd recommend waiting a few months to use it in production.

 

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rdn

Well-known member

• Nov 25, 2025

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• #3

Given XenForo's last bug fix update was last July, almost 5 months ago, I'm pretty sure core XF is not yet compatible with PHP 8.5.
They even only recommend 8.3 for full support.

 

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K

Kirby

Well-known member

• Nov 25, 2025

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• #4

rdn said:

They even only recommend 8.3 for full support.

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Yep. IIRC some vendor dependencies are not fully compatible with 8.4+ and can't be upgraded as that would break compatibility with 7.2.
Therefore I'd stick with 8.3 for now, this PHP version is still fully supported and will receive security files until december 2027.

 

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B

briansol

Well-known member

• Nov 25, 2025

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• #5

I've been running 8.4.x in production without issue for a year ish. very stable, no issues logging.

 

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Alvin63

Well-known member

• Nov 25, 2025

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• #6

I'm on 8.3.19 - think I'll stick there for a while.

 

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nodle

Well-known member

• Jan 10, 2026

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• #7

Anyone running php 8.5 yet, I wonder if the next patch will be compatible?

 

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