First of all, thanks for this to everyone who's put in their time and effort. I'm rather new to this site, but a long-time fan of Star Wars, and with the work you guys have done I'm getting ready to see the movies like I've never seen them before. If I might be so bold, there's a couple things I've noticed in my first run-through of these subtitles, that might be worth another look:

21
00:06:37,060 --> 00:06:39,261
Hey! You’re not permitted in there.

22
00:06:39,262 --> 00:06:42,262
It’s restricted. You’ll be
deactivated for sure.

^^These lines were jarring to me watching the movie. I feel like "It's restricted." belongs in the first line, not the second. I've changed my copy to read:

21
00:06:37,060 --> 00:06:39,261
Hey! You’re not permitted in there.
It’s restricted.

22
00:06:39,262 --> 00:06:42,262
You’ll be deactivated for sure.

^^Also this second line might now stand to start a hair later, but I'm not comfortable messing with the timing of these so I've just left it as is. Now "You'll be deactivated..." comes on screen slightly too early, but before "It's restricted" was shown far too late, for my tastes.

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123
00:20:04,031 --> 00:20:05,631
Just Luke.

^^Maybe it's just part of his chuckle, but I've always heard this line as "No, just Luke."

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145
00:21:22,080 --> 00:21:25,382
A person of some importances, I believe.
Our captain was attached to—

^^Are we sure it's not "A person of some importance, as I believe."?

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219
00:26:39,600 --> 00:26:43,124
All right! I’ll be there in a few minutes.
Boy, am I gonna get it.

220
00:26:44,201 --> 00:26:46,170
You know, that little droid’s going to
cause me a lotta trouble.

^^In one line you write "gonna" and then in the very next line, you write "going to." They both sound the same to me. Also "lotta" seems out of place in printed text, moreso than "gonna" or "'nother," even though that is how it sounds. What about "You know, that little droid's gonna cause me a lot of trouble"?

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293
00:33:18,700 --> 00:33:21,895
– What is it?
– It’s your father’s lightsaber.

^^It may just be getting lost in Artoo's blips and beeps, but I don't hear the word "it's" here, just "- Your father's lightsaber." To be honest, I don't really hear the "your" all that clearly either, but it's clearly implied. The "it's," I'm not so sure about.

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450
00:48:21,397 --> 00:48:23,097
Seventeen?

^^Should be "Seventeen, huh?"

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460
00:49:02,439 --> 00:49:06,012
That’s okay. I’m never coming back
to this planet again.

^^Are we sure this is two sentences, and not one? Maybe the first period should be a comma instead.

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...that's as far as I've got for now. Hope I'm being helpful, and not just nit-picky. If you want me to shut up I will. Otherwise I'll probably be back with more "suggestions" ::)