I'm sorry this is happening for you but it's the first time I've heard of this.
The last change made that involves strength and stamina was in version 0.11.2 when the 'friends with benefits' quest was created. This is longer ago than 'the last 2 updates' but it is the most recent change made to the code involving calculations of strength and stamina. The calculations were not changed (at least not intentionally), the purpose was to adjust the night to morning transition when you no longer wake up alone every day, i.e. when the store owner sleeps over or you sleep at her place.
The last actual change to the file containing the 'home workout' code was made a year ago in version 0.9.2 which is long before you noticed the problem.
Sorry, I have to ask this. Are you using mods other than adding bots? If so which ones?
Hello there.
Let me pitch in with a few details about the strength/stamina issue.
When I first found this game a few days ago, I played on Easy, just to get to know the game better with minimal pressure.
Then I tried Normal, but found it too easy for my taste.
Now I am playing on Hard, and started noticing my strength gains is wild when I do workout.
It is not uncommon for me to see 4.000 - 6.500 XP per session. (Just prior to investing 50.000,- in the gym)
On Easy I had a pretty much fully kittet out gym, but no gains whatsoever.
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Number from the 2 save files I have..:
------------- Easy - Hard
Day............- 123 - 112
Combat......- B - C
Computers..- A - C
Electronics..- B - C
Mechanics...- A - C
Sex............- B - B
Social.........- A - C
Strength......- F - S
Stamina.......- F - B
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I hope this shed a little light on the issue.