It's interesting that this topic has come up. I've been using Thunderbird for around ten years and I'm currently running it on a system that was probably build around 2007 or 2008 which I bought refurbished and TB is almost as snappy and responsive on that system as Notepad. Yet I remember a dialog that I had with someone with a much more modern system with 32 GB of RAM who reported that TB was very slow, which truly mystified me. In fact, I recently read an article describing Mozilla's plans to improve and modernize Thunderbird with responsiveness being one of the items they wanted to address. This really surprised me as I wondered what they could possibly do to improve TB's performance. Yet this tells me that TB, on some systems, does present noticeable performance issues. I wish I knew more about what those systems have in common but Mozilla is clearly asking the same question and I suspect they'll come closer to finding the answer much faster than I will.

David Goldfield,
Blindness Assistive Technology Specialist
JAWS Certified, 2019

WWW.DavidGoldfield.org

On 10/22/2020 3:35 PM, Brian Vogel wrote:

On Thu, Oct 22, 2020 at 03:03 PM, Gene wrote:

It may be that on some systems, Thunderbird doesn't work correctly.

-
Oh, just based on repeated comments over time on the blind-tech-related groups about sluggishness and Tbird I am quite certain that's the case.

But what I believe, personally, is that the issue does not lie with Thunderbird itself, but something about how those systems are configured, and whatever it is seems to be in some deep, dark, non-obvious corner.  As I said in another topic earlier today, real bugs hit a huge number of users in the same way, and the sluggishness with Tbird, while not isolated to one person, is definitely isolated to a very small number.  It seems dependent on the machine it's being run on.
 
--

Brian - Windows 10 Pro, 64-Bit, Version 2004, Build 19041  

It’s hard waking up and realizing it’s not always black and white.

     ~ Kelley Boorn