Batgirl's sexual orientation can vary depending on the comic. In certain runs, she is indeed portrayed as lesbian, but this isn't consistent throughout all of her comic appearances.
It depends on which comic series or storyline you're referring to. In some, she survives challenging circumstances, but in others, her fate is more tragic.
The age of Batgirl can vary depending on the specific comic storyline and continuity. But typically, she's depicted as being in her late teens or early twenties.
In certain comic versions, Batman and Batgirl have a complex relationship that involves mentorship, teamwork, and sometimes even romantic undertones. However, the nature and extent of this relationship can change from one comic series to another.
I don't have the precise count at hand. But Batgirl is a popular character, and there have been numerous comic book runs featuring her, likely in the dozens or more.
Sure! Batgirl has been featured in many comic series over the years. Different writers and artists have brought their unique visions to the character, creating diverse and exciting stories.
It's hard to say if it's a new trend. There could be a growing awareness within the Batgirl fandom to keep the character away from adult fanfiction. But without more evidence, it's difficult to label it as a trend. It might just be an expression of a particular group's opinion.