Zachery Ty Bryan found himself in an Oregon jail for a third time this past week — but he’s finally out now … this after a major misunderstanding, TMZ has learned.

A Lane County Jail official confirmed to us that the former “Home Improvement” star was released from custody Sunday — this after he was arrested and taken in by the authorities on Thursday. We’re told he posted bail to get out … but it’s unclear how much at this point.

The charges that showed up on his latest booking sheet — obtained by TMZ — were startling at first … 2 counts of 4th-degree felony assault … but after speaking with people directly connected to the case, we’ve been assured this latest arrest is NOT over a new incident.

Zachery’s attorney, John J. Kolego, tells us his client got hauled in as a result of a technical violation of his release agreement from earlier this year … when he was busted on assault charges. We’re told ZTB failed to charge his ankle monitor by mistake … that’s it.

Kolego tells us he got taken into custody during a pre-trial court office appearance, and that his arrest didn’t involve a judge. We’re told it also didn’t involve any binge drinking — as has been suggested by some media outlets.

Zachery’s attorney adds of the July arrest and subsequent case … “Zachery is looking forward to exonerating himself at trial.”

Remember, ZTB copped a plea deal for his 1st case in 2020 on 2 lesser charges — but he got busted for a 2nd time just earlier this year … on very similar charges to his initial arrest. It all appears to pertain to a woman he’s in a relationship with … and with whom he has kids.

At the time of his first conviction, Zachery told the press that the whole thing was blown out of proportion by the media. The second time around, his defense attorney said Zachery deserves the presumption of innocence until all the facts come out.

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Zachery hasn’t acted in much since the late 2000s, although he did appear in a Netflix series last year called “The Guardians of Justice.”