This was correct. I saw the notes in the UPDATING file, which I usually don't look at unless something fails :)

Thanx

Brian

On 9/1/2025 5:24 PM, Dimitry Andric wrote:
On 1 Sep 2025, at 23:28, Brian <br...@sonicboom.org> wrote:
I am not sure when this changed, but I often test building the system just to 
do it, often with ccache. What I am seeing is that in 14.x systems, ccache 
shows a total number of ccache hits and misses in the low 40k range, whereas in 
15 it is much less, often 2-3k. Of course the build moves more quickly. Is this 
tech to only build what is related to code changes?
This is probably because 15-CURRENT uses WITHOUT_CLEAN by default, since 
2025-08-19 at least. On 14.x, this is not the case. You might find that there 
is less difference between the two, if you put WITHOUT_CLEAN in your src.conf.

-Dimitry


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