I found the end of the novel to be very disappointing and depressing .  Over the course of the book, Winston seemed to be the last person who could distinguish between past and present.  He also was portrayed as one of the few who rejected Ingsoc and the Party.  I found myself hoping that Winston and Julia (and perhaps O'Brien) would do something more consequential.  I was frustrated that they didn't do more to bring on a change.  I would have been much more satisfied with the book if Winston had either achieved something noteworthy or at least died trying.  I was very surprised by his sudden love for Big Brother on the last page.  I expected the end to be more abrupt and less final, like The Handmaid's Tale and The Road.
The appendix also seemed strange and a bit out of place.  It felt weird to learn about the language after I had finished the book and when it would have no use to me.  The appendix reminded me of The Handmaid's Tale's last few pages.  The end of The Handmaid's Tale gave some insight into the book that was clarifying to the reader and offered some clues about what happened to Offred.  The appendix in 1984 seemed random, unhelpful, and boring.  If it had been at the beginning of the novel instead of the end, it may have perhaps allowed me to understand certain phrases better; yet, it still seemed superfluous.
Overall, I was dissatisfied by this book.  I had heard lots of praise for the novel and enjoyed Animal Farm, another of Orwell's novel; however, I found 1984 to be boring and dense.  I was especially annoyed by the finish of the novel.  I was frustrated by the way the novel turned out and the lack of closure.  I still feel confused about how this drastic change came about in Winston, especially after reading so many pages about him resisting the Party.