Heb 11:40 God having provided some better thing for us, that they without us should not be made perfect.
I think it refers to the resurrection of OT saints that they won’t get their heavenly bodies before we do.
(made perfect)
We get ours at the rapture ,
T1Co 15:51 ¶ Behold, I shew you a mystery; We shall not all sleep, but we shall all be changed,
1Co 15:52 In a moment, in the twinkling of an eye, at the last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.
They get theirs at the end of the tribulation.
Da 12:1 ¶ And at that time shall Michael stand up, the great prince which standeth for the children of thy people: and there shall be a time of trouble, such as never was since there was a nation [even] to that same time: and at that time thy people shall be delivered, every one that shall be found written in the book.
Da 12:2 And many of them that sleep in the dust of the earth shall awake, some to everlasting life, and some to shame [and] everlasting contempt.
When we see the gathering in heaven the OT saints are made perfect,as we are.
Heb 12:22 But ye are come unto mount Sion, and unto the city of the living God, the heavenly Jerusalem, and to an innumerable company of angels,
Heb 12:23 To the general assembly and church of the firstborn, which are written in heaven, and to God the Judge of all, and to the spirits of just men made perfect,
Heb 12:24 And to Jesus the mediator of the new covenant, and to the blood of sprinkling, that speaketh better things than [that of] Abel.
Included in that verse could also mean our refining at the judgement seat of Christ which will precede their judgement and rewards, at the end of the tribulation .
Just a thought.
but only pre trib, pre mil, woud ever come close to agreeing.