I am using the latest 5.1.21 - just upgraded yesterday. I does not take as long to read as yours in my browser, it is slow to navigate, but as you are experiencing. - terrible to impossible to edit.
I can add, that last time I tried TW translators edition I had the same feeling, I really had to give up only half way through - earlier version and something else I know. Birthe -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/5d4c0c23-39cd-4930-9f6a-f9d248a5fa46%40googlegroups.com.